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Vendor: Cisco
Exam Code: 300-101
Exam Name: Implementing Cisco IP Routing (ROUTE)
Version: 16.031

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QUESTION 1
A network engineer has been asked to ensure that the PPPoE connection is established and
authenticated using an encrypted password.
Which technology, in combination with PPPoE, can be used for authentication in this manner?
A.
B.
C.
D.
E.

PAP
dot1x
IPsec
CHAP
ESP

Answer: D
Explanation:
With PPPoE, the two authentication options are PAP and CHAP. When CHAP is enabled on an
interface and a remote device attempts to connect to it, the access server sends a CHAP packet
to the remote device. The CHAP packet requests or "challenges" the remote device to respond.
The challenge packet consists of an ID, a random number, and the host name of the local router.
When the remote device receives the challenge packet, it concatenates the ID, the remote
device's password, and the random number, and then encrypts all of it using the remote device's
password. The remote device sends the results back to the access server, along with the name
associated with the password used in the encryption process. When the access server receives
the response, it uses the name it received to retrieve a password stored in its user database. The
retrieved password should be the same password the remote device used in its encryption
process. The access server then encrypts the concatenated information with the newly retrieved
password--if the result matches the result sent in the response packet, authentication succeeds.
The benefit of using CHAP authentication is that the remote device's password is never
transmitted in clear text (encrypted). This prevents other devices from stealing it and gaining
illegal access to the ISP's network.
http://www.cisco.com/c/en/us/td/docs/ios/12_2/security/configuration/guide/fsecur_c/scfathen.html

QUESTION 2
A corporate policy requires PPPoE to be enabled and to maintain a connection with the ISP, even
if no interesting traffic exists.
Which feature can be used to accomplish this task?
A.
B.
C.
D.
E.

TCP Adjust
Dialer Persistent
PPPoE Groups
half-bridging
Peer Neighbor Route

Answer: B
Explanation:
A new interface configuration command, dialer persistent, allows a dial-on-demand routing (DDR)
dialer profile connection to be brought up without being triggered by interesting traffic. When
configured, the dialer persistent command starts a timer when the dialer interface starts up and
starts the connection when the timer expires. If interesting traffic arrives before the timer expires,
the connection is still brought up and set as persistent. The command provides a default timer
interval, or you can set a custom timer interval.

QUESTION 3
Which encapsulation supports an interface that is configured for an EVN trunk?

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A.
B.
C.
D.
E.
F.

802.1Q
ISL
PPP
Frame Relay
MPLS
HDLC

Answer: A
Explanation:
Restrictions for EVN
An EVN trunk is allowed on any interface that supports 802.1q encapsulation, such as Fast
Ethernet, Gigabit Ethernet, and port channels.
A single IP infrastructure can be virtualized to provide up to 32 virtual networks end-to-end.
If an EVN trunk is configured on an interface, you cannot configure VRF-Lite on the same
interface.
OSPFv3 is not supported; OSPFv2 is supported.
http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/evn/configuration/xe-3s/evn-xe-3s-book/evnoverview.pdf

QUESTION 4
Which three characteristics are shared by subinterfaces and associated EVNs? (Choose three.)
A.
B.
C.
D.
E.

IP address
routing table
forwarding table
access control lists
NetFlow configuration

Answer: ABC
Explanation:
runk interface can carry traffic for multiple EVNs. To simplify the configuration process, all the
subinterfaces and associated EVNs have the same IP address assigned. In other words, the
trunk interface is identified by the same IP address in different EVN contexts.
This is accomplished as a result of each EVN having a unique routing and forwarding table,
thereby enabling support for overlapping IP addresses across multiple EVNs.
http://www.cisco.com/en/US/docs/ios-xml/ios/evn/configuration/xe-3sg/evn-overview.pdf

QUESTION 5
Which traffic does the following configuration allow?
ipv6 access-list cisco
permit ipv6 host 2001:DB8:0:4::32 any eq ssh
line vty 0 4
ipv6 access-class cisco in
A.
B.
C.
D.

all traffic to vty 0 4 from source 2001:DB8:0:4::32
only ssh traffic to vty 0 4 from source all
only ssh traffic to vty 0 4 from source 2001:DB8:0:4::32
all traffic to vty 0 4 from source all

Answer: C

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Explanation:
Here we see that the Ipv6 access list called "cisco" is being applied to incoming VTY connections
to the router. Ipv6 access list has just one entry, which allows only the single Ipv6 IP address of
2001:DB8:0:4::32 to connect using SSH only.

QUESTION 6
For troubleshooting purposes, which method can you use in combination with the debug ip packet
command to limit the amount of output data?
A.
B.
C.
D.
E.

You can disable the IP route cache globally.
You can use the KRON scheduler.
You can use an extended access list.
You can use an IOS parser.
You can use the RITE traffic exporter.

Answer: C
Explanation:
The "debug ip packet" command generates a substantial amount of output and uses a substantial
amount of system resources. This command should be used with caution in production networks.
Always use with the access-list command to apply an extended ACL to the debug output.
http://www.cisco.com/c/en/us/support/docs/security/dynamic-multipoint-vpn-dmvpn/111976dmvpn-troubleshoot-00.html

QUESTION 7
Refer to the following access list.
access-list 100 permit ip any any log
After applying the access list on a Cisco router, the network engineer notices that the router CPU
utilization has risen to 99 percent. What is the reason for this?
A.
B.
C.
D.

A packet that matches access-list with the "log" keyword is Cisco Express Forwarding switched.
A packet that matches access-list with the "log" keyword is fast switched.
A packet that matches access-list with the "log" keyword is process switched.
A large amount of IP traffic is being permitted on the router.

Answer: C
Explanation:
ging-enabled access control lists (ACLs) provide insight into traffic as it traverses the network or
is dropped by network devices. Unfortunately, ACL logging can be CPU intensive and can
negatively affect other functions of the network device. There are two primary factors that
contribute to the CPU load increase from ACL logging: process switching of packets that match
log-enabled access control entries (ACEs) and the generation and transmission of log messages.
http://www.cisco.com/web/about/security/intelligence/acl-logging.html#4

QUESTION 8
Which address is used by the Unicast Reverse Path Forwarding protocol to validate a packet
against the routing table?
A. source address
B. destination address

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and VRF mode strict mode. Unicast RPF configured in strict mode may drop legitimate traffic that is received on an interface that was not the router's choice for sending return traffic. This security feature works by enabling a router to verify the reachability of the source address in packets being forwarded.com 5 . When administrators use Unicast RPF in loose mode. loose mode. Administrators can change this behavior using the allow-default option. If the source IP address is not valid. its customer. loose mode.cisco. and broadcast mode strict mode.html QUESTION 10 What does the following access list. C. or VRF mode. This capability can limit the appearance of spoofed addresses on a network. loose mode. a packet that contains a source address for which the return route points to the Null 0 interface will be dropped.com/web/about/security/intelligence/unicast-rpf. the packet is discarded. broadcast mode. Additionally. and VRF mode Answer: A Explanation: Network administrators can use Unicast Reverse Path Forwarding (Unicast RPF) to help limit the malicious traffic on an enterprise network. Care must be taken to ensure that the appropriate Unicast RPF mode (loose or strict) is configured during the deployment of this feature because it can drop legitimate traffic. which is applied on the external interface FastEthernet 1/0 of the perimeter router. which allows the use of the default route in the source verification process. the packet must be received on the interface that the router would use to forward the return packet. An access list may also be specified that permits or denies certain source addresses in Unicast RPF loose mode. strict mode. router interface D.com/en/US/docs/ios/12_2/security/configuration/guide/scfrpf. Unicast RPF in VRF mode will not be covered in this document. including Smurf and Tribal Flood Network (TFN).exam. Note that not all network devices support all three modes of operation. B.C. default gateway Answer: A Explanation: The Unicast RPF feature helps to mitigate problems that are caused by the introduction of malformed or forged (spoofed) IP source addresses into a network by discarding IP packets that lack a verifiable IP source address. Unicast RPF works in one of three different modes: strict mode. Dropping this legitimate traffic could occur when asymmetric routing paths are present in the network.html QUESTION 9 What are the three modes of Unicast Reverse Path Forwarding? A. Unicast RPF loose mode is a scalable option for networks that contain asymmetric routing paths. D. When administrators use Unicast RPF in strict mode.cisco. and VRF mode broadcast mode. For Internet service providers (ISPs) that provide public access. loose mode. can take advantage of forged or rapidly changing source IP addresses to allow attackers to thwart efforts to locate or filter the attacks. http://www. the source address must appear in the routing table. http://www. a number of common types of denial-of-service (DoS) attacks. accomplish? Get Latest & Actual 300-101 Exam's Question and Answers from exam. and the rest of the Internet. Unicast RPF deflects such attacks by forwarding only packets that have source addresses that are valid and consistent with the IP routing table. Although asymmetric traffic flows may be of concern when deploying this feature. For example. http://www. This action protects the network of the ISP.

To return the HTTPS server port number to the default.172. QUESTION 11 Refer to the following command: router(config)# ip http secure-port 4433 Which statement is true? A.255 any log router (config)#access-list 101 permit ip any any router (config)#interface fastEthernet 1/0 router (config-if)#ip access-group 101 in A.exam.router(config)#access-list 101 deny ip 10.0-192.255. B. B.0. 172.15.0 -. The router will listen on port 4433 for HTTP traffic. Ip http secure-port port-number no ip http secure-port Syntax Description port-number Integer in the range of 0 to 65535 is accepted.255.255 192.0. It prevents private internal addresses to be accessed directly from outside.10. The default is 443. The router will never accept any HTTP and HTTPS traffic. use the no form of this command. This ACL is used to prevent all packets with a spoofed reserved private source IP address to enter the network.16.255. but the port number must be higher than 1024 unless the default is used.255. http://www.0.255. It prevents the internal network from being used in spoofed denial of service attacks and logs any exit to the Internet.0.0.168.255. It prevents incoming traffic from IP address ranges 10.0 0.0 -.16.255.0172.255. http://www.168.255. D.com/en/US/docs/ios-xml/ios/https/command/nm-https-cr-clsh.cisco.255 any log router (config)#access-list 101 deny ip 192. The log keyword also enables logging of this intrusion attempt.0 -.255 and logs any intrusion attempts.31.31.168.255 These IP addresses should never be allowed from external networks into a corporate network as they would only be able to reach the network from the outside via routing problems or if the IP addresses were spoofed. The router will listen on port 4433 for HTTPS traffic.0.255. D.168.0.255. Answer: C Explanation: The private IP address ranges defined in RFC 1918 are as follows: 10.16. 192.0.0-10. Answer: A Explanation: To set the secure HTTP (HTTPS) server port number for listening.255 172.0.0.0. It filters incoming traffic from private addresses in order to prevent spoofing and logs any intrusion attempts.0.com 6 . C.255 any log router (config)#access-list 101 deny ip 172. use the ip http secure-port command in global configuration mode.0 0. The router will listen to HTTP and HTTP traffic on port 4433.0.0.255.0.0 0.html#wp3612805529 Get Latest & Actual 300-101 Exam's Question and Answers from exam. C.168.192.

senior management asks you to implement better logging functionality on all IOS-based devices. The view is used to define what the user account may access on the IOS device. C.16. username serves as a replacement for community string).com 7 .201.) Get Latest & Actual 300-101 Exam's Question and Answers from exam.com/snmp-version-3/ QUESTION 13 When using SNMPv3 with NoAuthNoPriv. The SNMPv3 implementations could be configured to use either of the models on per-group basis (in case if "noAuthNoPriv" is configured.201. Which two actions can you take to provide enhanced logging results? (Choose two. SNMP version 2 uses community strings (think cleartext passwords.201. http://www. rather they are simply a means to determine who can authenticate to the device. which string is matched for authentication? A. The users are not actual local user accounts. Which command satisfies the requirements of this scenario? A. "AuthPriv" (messages are authenticated and encrypted ?priv keyword in CLI). It's simple to configure on both the router/switch-side and just as easy on the network monitoring server. Most companies have decided that the information being transmitted isn't valuable enough to be worth the extra effort in upgrading to SNMPv3. each user is added to a group. "AuthNoPriv109thernet109ationre authenticated but not encrypted ?auth keyword in CLI). SNMPv2. However.exam.28 traps version 3 auth CISCORO router(config)#snmp-server host 172. D. SNMP version 3 moves away from the community string approach in favor of userbased authentication and view-based access control. C. which determines the access policy for its users.16.28 traps version 2c CISCORO router(config)#snmp-server host 172. http://blog. http://www. B. username password community-string encryption-key Answer: A Explanation: The following security models exist: SNMPv1.com/2008/07/19/snmpv3-tutorial/ QUESTION 14 After a recent DoS attack on a network. views. Like IPv4 to Ipv6. D.28 informs version 3 auth CISCORO Answer: A Explanation: Most network admins and engineers are familiar with SNMPv2c which has become the dominant SNMP version of the past decade. SNMPv3.ine. groups.16. the engineer is not concerned with authentication or encryption. router(config)#snmp-server host 172. The problem of course is that the SNMP statistical payload is not encrypted and authentication is passed in cleartext. B. Users. Finally. no encryption) to authenticate polling and trap delivery.201.ccnpguide.QUESTION 12 A network engineer is configuring SNMP on network devices to utilize one-way SNMP notifications. there are some major changes under the hood.16. but I would suggest otherwise. SNMPv1 and SNMPv2 models only support the "noAuthNoPriv" model since they use plain community string to match the incoming packets. The following security levels exits: "noAuthNoPriv" (no authentiation and no encryption ?noauth keyword in CLI).28 informs version 2c CISCORO router(config)#snmp-server host 172.

Assuming that an NTP server is already set up. It enables a device to receive NTP broadcast and unicast packets. This can aid in pinpointing the exact time of events. Increase the logging history. D. or to correlate the order that the events happened.html QUESTION 16 A network engineer is trying to implement broadcast-based NTP in a network and executes the ntp broadcast client command. what is the result of the command? A. E. D. Four basic ways exist for setting up the router to generate a core dump: Using Trivial File Transfer Protocol (TFTP) Using File Transfer Protocol (FTP) Using remote copy protocol (rcp) Using a Flash disk http://www. C. Cisco devices Log error messages of severity levels 0 through 4 (emergency." By increasing the severity level. To limit syslog messages sent to the router's history table and to an SNMP network management station based on severity. it is sometimes useful to obtain a full copy of the memory image (called a core dump) to identify the cause of the crash. It enables receiving NTP broadcasts on the interface where the command was executed. in other words. Answer: A Explanation: The NTP service can be activated by entering any ntp command. secure copy protocol core dumps warm reloads SNMP NetFlow Answer: B Explanation: When a router crashes. and warning levels).exam. alert. In this situation. When you use the ntp Get Latest & Actual 300-101 Exam's Question and Answers from exam.com/en/US/docs/internetworking/troubleshooting/guide/tr19aa. use the logging history command in global configuration mode. E. C. which feature can the engineer use to create a crash collection? A. C. QUESTION 15 A network engineer finds that a core router has crashed without warning. more granular monitoring can occur.com 8 . B. It enables a device to be an NTP peer to another device. Disable event logging on all noncritical items. Specify a logging rate limit. critical.cisco. B. By default. It enables receiving NTP broadcasts on all interfaces globally. Use the msec option to enable service time stamps. B. Answer: AB Explanation: The optional msec keyword specifies the date/time format should include milliseconds. "saving level warnings or higher. Set the logging severity level to 1. and SNMP messages will be sent by the less sever (5-7) messages. http://www. D. error.A. Core dumps are generally very useful to your technical support representative.

Only packets 4 and 7 must be re-sent.com 9 . 2. TCP receives acknowledgment of packets 1. The sender can then resend only missing data segments (instead of everything since the first missing packet).) A. Prior to this feature. but such re-sent segments might have already been successfully received.com/c/en/us/td/docs/ios-xml/ios/bsm/command/bsm-xe-3se-3850-cr-book/bsmxe-3se-3850-cr-book_chapter_00. Refer to RFC 2018 for more details about TCP selective acknowledgment. TCP would receive acknowledgment of only packets 1.exam. and 8. There is no performance impact when the feature is enabled but not used.broadcast client command.cisco. 3. It also provides enhanced support for TCP sessions Get Latest & Actual 300-101 Exam's Question and Answers from exam. 6. header compression explicit congestion notification keepalive time stamps TCP path discovery MTU window Answer: BCD Explanation: TCP Selective Acknowledgment The TCP Selective Acknowledgment feature improves performance if multiple packets are lost from one TCP window of data. the TCP time-stamp option is disabled. C.html QUESTION 17 Which three TCP enhancements can be used with TCP selective acknowledgments? (Choose three. The TCP selective acknowledgment mechanism helps improve performance. and 3. Use the ip tcp selective-ack command in global configuration mode to enable TCP selective acknowledgment. Because the time stamps are always sent and echoed in both directions and the time-stamp value in the header is always changing. informing the sender of data that has been received. E. In other words. 2. a TCP sender could learn about only one lost packet per-round-trip time. Prior to selective acknowledgment. if TCP lost packets 4 and 7 out of an 8-packet window. Command Description ntp broadcast client Allows the system to receive NTP broadcast packets on an interface. the receiver can acknowledge packets received out of order. TCP Time Stamp The TCP time-stamp option provides improved TCP round-trip time measurements. TCP Explicit Congestion Notification The TCP Explicit Congestion Notification (ECN) feature allows an intermediate router to notify end hosts of impending network congestion. F. the NTP service is activated (if it has not already been activated) and the device is configured to receive NTP broadcast packets on a specified interface simultaneously. http://www. Use the ip tcp timestamp command to enable the TCP time-stamp option. To allow TCP header compression over a serial link. TCP header compression will not compress the outgoing packet. The receiving TCP host returns selective acknowledgment packets to the sender. because of limited information available from cumulative acknowledgments. http://www. Packets 4 through 8 would need to be re-sent. D. With selective acknowledgment. 5. B. An aggressive sender could choose to resend packets early. TCP selective acknowledgment is used only when multiple packets are dropped within one TCP window.

com 10 . Several SNMP traps are available: round trip time. average jitter. web browsing. B. latency starvation connectionless communication nonsequencing unordered packets jitter Answer: A Explanation: Cisco IOS IP SLAs provides a proactive notification feature with an SNMP trap.845 UTC Thu Feb 3 2005 Latest operation return code: OK RTT Values: Number Of RTT: 10 RTT Min/Avg/Max: 1/1/1 milliseconds Latency one-way time: Number of Latency one-way Samples: 0 Source to Destination Latency one way Min/Avg/Max: 0/0/0 milliseconds Destination to Source Latency one way Min/Avg/Max: 0/0/0 milliseconds http://www. If a response packet (a TCP ACK packet) is not received after the device sends a specific number of probes. and transfer of audio and video data that are sensitive to delay or packet loss. such as Telnet. when TCP traffic is in the same class as UDP when UDP flows are assigned a lower priority queue when WRED is enabled when ACLs are in place to block TCP traffic Answer: A Get Latest & Actual 300-101 Exam's Question and Answers from exam. Cisco IOS IP SLAs generates an SNMP trap to alert management applications if this threshold is crossed. E. TCP Keepalive Timer The TCP Keepalive Timer feature provides a mechanism to identify dead connections. one-way latency. and connectivity tests. jitter.com/en/US/technologies/tk648/tk362/tk920/technologies_white_paper09186a00 802d5efe. C. Each measurement operation can monitor against a pre-set performance threshold. packet loss. The benefit of this feature is the reduction of delay and packet loss in data transmissions.exam. D. QUESTION 18 A network administrator uses IP SLA to measure UDP performance and notices that packets on one router have a higher one-way delay compared to the opposite direction. Use the ip tcp ecn command in global configuration mode to enable TCP ECN. C. Which UDP characteristic does this scenario describe? A.cisco. http://www. the device sends a TCP keepalive packet to the peer with only the Acknowledgment (ACK) flag turned on. MOS. the connection is considered dead and the device initiating the probes frees resources used by the TCP connection. When a TCP connection on a routing device is idle for too long. B.associated with applications.html QUESTION 19 Under which condition does UDP dominance occur? A. Here is a partial sample output from the IP SLA statistics that can be seen: router#show ip sla statistics 1 Round Trip Time (RTT) for Index 55 Latest RTT: 1 ms Latest operation start time: *23:43:31. D.

com/c/en/us/td/docs/security/asa/asa92/configuration/vpn/asa-vpn-cli/vpnpppoe. PPPoE functions as a Layer 4 encapsulation method that allows data to be transferred over the PPP link within PPPoE headers. Specifically. never lower transmission rates because of dropping. C. When TCP flows are combined with UDP flows within a single service-provider class and the class experiences congestion. PPP options are negotiated and authentication is performed. PPPoE functions as a Layer 2 encapsulation method that allows data to be encrypted over the PPP link within PPPoE headers. D. PPP options are automatically enabled and authorization is performed. Once the link setup is completed. Answer: D Explanation: http://www. the same behavior would be observed because WRED (for the most part) manages congestion only on TCP-based flows. PPP options are not negotiated and authentication is performed.html QUESTION 22 Which type of traffic does DHCP snooping drop? Get Latest & Actual 300-101 Exam's Question and Answers from exam. flow control. B.com/c/en/us/td/docs/solutions/Enterprise/WAN_and_MAN/QoS_SRND/QoSSRND-Book/VPNQoS. PPPoE functions as a Layer 2 encapsulation method that allows data to be transferred over the PPP link within PPPoE headers.html QUESTION 20 PPPoE is composed of which two phases? A. B. potentially giving up their bandwidth to UDP flows that are oblivious to drops. thus.exam. and retransmission capabilities. PPP options are negotiated and authentication is not performed. D.cisco.Explanation: Mixing TCP with UDP It is a general best practice to not mix TCP-based traffic with UDP-based traffic (especially Streaming-Video) within a single service-provider class because of the behaviors of these protocols during periods of congestion. http://www. PPPoE functions as a Layer 3 encapsulation method that allows data to be transferred over the PPP link within PPPoE headers. C. Even if WRED is enabled on the service-provider class.com 11 . TCP starvation/UDP dominance likely occurs if (TCP-based) Mission-Critical Data is assigned to the same service-provider class as (UDP-based) Streaming-Video and the class experiences sustained congestion. Although some UDP applications have application-level windowing. Active Authentication Phase and PPP Session Phase Passive Discovery Phase and PPP Session Phase Active Authorization Phase and PPP Session Phase Active Discovery Phase and PPP Session Phase Answer: D QUESTION 21 Which statement is true about the PPP Session Phase of PPPoE? A. Once the link setup is completed. http://www. Once the link setup is completed. Once the link setup is completed. This effect is called TCP starvation/UDP dominance. TCP transmitters throttle back flows when drops are detected. TCP flows continually lower their transmission rates. most UDP transmitters are completely oblivious to drops and.cisco.

2.html QUESTION 23 Refer to the exhibit. discover messages DHCP messages where the source MAC and client MAC do not match traffic from a trusted DHCP server to client DHCP messages where the destination MAC and client MAC do not match Answer: B Explanation: http://www.8.0/8 networks. Only the choice of 10.8.A.0.0.8. distribute list 1 out distribute list 1 out FastEthernet0/0 distribute list 2 out distribute list 2 out FastEthernet0/0 Answer: D Explanation: Access list 2 is more specific.3. allowing only 1. so the correct command is "distribute list 2 out FastEthernet0/0.exam.0. D.0/24 network out of FastEthernet 0/0? A.0/16 10. D. C.0/24 network.8.9.0/24.1. where X is any value in the 0-255 range.3.0/24 10. the ge 24 term means greater than or equal to a /24 and the le 24 means less than or equal to /24. http://www. D.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/122SX/configuration/guide/book/snoodhcp.2. B.0/23 Answer: B Explanation: With prefix lists.0/24 10. so only a /24 is both greater than or equal to 24 and less than or equal to 24.0.cisco.24 matches this. 10. This translates to any prefix in the 10. B. C.0. whereas access list 1 permits all 1.x.8. B." QUESTION 24 Which prefix is matched by the command ip prefix-list name permit 10. Which command only announces the 1. Get Latest & Actual 300-101 Exam's Question and Answers from exam.0.0.0/16 ge 24 le 24? A.com 12 . C.8.0. This question also asks us to apply this distribute list only to the outbound direction of the fast Ethernet 0/0 interface.

C. what do you conclude about these IPv6 addresses? A. B. After debugging IPv6 packets. C. Get Latest & Actual 300-101 Exam's Question and Answers from exam. Based on this information. B. with one being OUI (Organizationally Unique Identifier) and the other being NIC specific. The IPv6 universal/local flag (bit 7) was flipped. IPv6 unicast forwarding was enabled. Answer: D Explanation: http://www. Router acknowledgment messages will be forwarded upstream. C. as per RFC2373. which is statically defined by the network administrator. such as prefix discovery. Answer: A Explanation: Extended Unique Identifier (EUI). The networks that are advertised from Router A do not show up in Router B's routing table. but IPv6 Cisco Express Forwarding was disabled. Routers on the IPv6 segment will respond with an advertisement that provides an external path from the local subnet. http://www.com/document/100566/understanding-ipv6-eui-64-bit-address QUESTION 27 A packet capture log indicates that several router solicitation messages were sent from a local host on the IPv6 segment. IPv6 addresses containing "FFFE" indicate that the address is reserved for multicast. IEEE has chosen FFFE as a reserved value which can only appear in EUI-64 generated from the EUI-48 MAC address. D. The addresses were misconfigured and will not function as intended. An IPv6 traffic filter is blocking the networks from being learned via the Router B interface that is connected to Router A. The Mac address is first separated into two 24-bits. Why is the routing information not being learned by Router B? A. All local host traffic will be redirected to the router with the lowest ICMPv6 signature.cisco.exam. where the DHCP server will allocate addresses to the local host. D.cisco. B. This feature is a key benefit over IPv4 as it eliminates the need of manual configuration or DHCP as in the world of IPv4. as well as certain data.html QUESTION 26 After you review the output of the command show ipv6 interface brief. allows a host to assign iteslf a unique 64-Bit IP Version 6 interface identify them EUI-64). D.com/c/en/us/td/docs/ios/ipv6/command/reference/ipv6_book/ipv6_16. IPv6 unicast routing is not enabled on Router A or Router B. IEEE EUI-64 was implemented when assigning IPv6 addresses on the device. the message "not a router" is found in the output. The IPv6 EUI-64 format address is obtained through the 48-bit MAC address.QUESTION 25 Router A and Router B are configured with IPv6 addressing and basic routing capabilities using OSPFv3. https://supportforums. Duplicate Address Detection will determine if any other local host is using the same IPv6 address for communication with the IPv6 routers on the segment. What is the expected acknowledgment and its usage? A. you see that several IPv6 addresses have the 16-bit hexadecimal value of "FFFE" inserted into the address.com 13 . The networks were not advertised properly under the OSPFv3 process. The 16-bit 0xFFFE is then inserted between these two 24-bits to for the 64-bit EUI address. OSPFv3 timers were adjusted for fast convergence. E.

if so.Answer: B Explanation: Router Advertisements (RA) are sent in response to router solicitation messages. the user is able to access company shares. RA messages typically include the following information: One or more onlink Ipv6 prefixes that nodes on the local link can use to automatically configure their Ipv6 addresses Lifetime information for each prefix included in the advertisement Sets of flags that indicate the type of autoconfiguration (stateless or stateful) that can be completed Default router information (whether the router sending the advertisement should be used as a default router and.cisco. it downloads the client that matches the operating system of the remote computer. the source address in router solicitation messages is usually the unspecified Ipv6 address (0:0:0:0:0:0:0:0). Without a previously installed client. the amount of time (in seconds) the router should be used as a default router) Additional information for hosts.exam. and follow the instructions. users must enter the URL in the form https://<address>.com/c/en/us/support/docs/security/asa-5500-x-series-next-generationfirewalls/100936-asa8x-split-tunnel-anyconnect-config.html QUESTION 28 A user is having issues accessing file shares on a network. After entering the URL. Which type of remote access did the engineer enable? A. C. Given that router solicitation messages are usually sent by hosts at system startup (the host does not have a configured unicast address). http://www.html Get Latest & Actual 300-101 Exam's Question and Answers from exam. After doing this. and the security appliance identifies the user as requiring the client. Router solicitation messages. establishes a secure SSL connection and either remains or uninstalls itself (depending on the security appliance configuration) when the connection terminates. D. remote users enter the IP address in their browser of an interface configured to accept SSL VPN connections. the client installs and configures itself. the unicast address of the interface sending the router solicitation message is used as the source address in the message.cisco. which have a value of 133 in the Type field of the ICMP packet header. http://www. input a prescribed IP address. After downloading. Unless the security appliance is configured to redirect http:// requests to https://.com 14 .com/c/en/us/td/docs/ios/ipv6/configuration/guide/12_4t/ipv6_12_4t_book/ip6addrg_bsc_con. EZVPN IPsec VPN client access VPDN client access SSL VPN client access Answer: D Explanation: The Cisco AnyConnect VPN Client provides secure SSL connections to the security appliance for remote users. B. the destination address in the RA message is the unicast address of the source of the router solicitation message. If the host has a configured unicast address. the browser connects to that interface and displays the login screen. If the user satisfies the login and authentication. such as the hop limit and MTU a host should use in packets that it originates http://www. The network engineer advises the user to open a web browser. The destination address in router solicitation messages is the all-routers multicast address with a scope of the link. are sent by hosts at system startup so that the host can immediately autoconfigure without needing to wait for the next scheduled RA message. When an RA is sent in response to a router solicitation.

DMVPN is initially configured to build out a hub-and-spoke network by statically configuring the hubs (VPN headends) on the spokes. the HSRP priority is reduced. Which action will allow for manual switching of HSRP nodes? A. including Ipsec (Internet Protocol Security) and ISAKMP (Internet Security Association and Key Management Protocol) peers. This dynamic-mesh capability alleviates the need for any load on the hub to route data between the spoke networks. information such as the source/destination IP and Layer 4 port numbers is required. Disable and enable all active interfaces on the active HSRP node.com 15 .cisco. Using this initial huband-spoke network. D.org/wiki/Dynamic_Multipoint_Virtual_Private_Network QUESTION 30 A network engineer is configuring a solution to allow failover of HSRP nodes during maintenance windows. GRE.com/c/en/us/support/docs/ip/hot-standby-router-protocol-hsrp/13780-6.html QUESTION 31 A network engineer is notified that several employees are experiencing network performance related issues. D. so when this interface is shut down the HSRP priority for that router will be lowered and the other HSRP router will then become the active one. DMVPN is combination of the following technologies: http://en. and bandwidth-intensive applications are identified as the root cause. Answer: A Explanation: The standby track command allows you to specify another interface on the router for the HSRP process to monitor in order to alter the HSRP priority for a given group. Enable HSRPv2 under global configuration. This DMVPN provides the capability for creating a dynamic-mesh VPN network without having to pre-configure (static) all possible tunnel end-point peers. no change in the configuration on the hub is required to accept new spokes. dynamic routing protocol. B. Track the up/down state of a loopback interface and shut down this interface during maintenance. as an alternative to powering down the active router and letting the network respond accordingly. C. C. NHRP. FlexVPN DMVPN GETVPN Cisco Easy VPN Answer: B Explanation: Dynamic Multipoint Virtual Private Network (DMVPN) is a dynamic tunneling form of a virtual private network (VPN) supported on Cisco IOS-based routers and Unix-like Operating Systems based on the standard protocols. http://www. NHRP and Ipsec. tunnels between spokes can be dynamically built on demand (dynamicmesh) without additional configuration on the hubs or spokes. In order to identify which specific type of traffic is causing this slowness.wikipedia. Adjust the HSRP priority without the use of preemption. B. If the line protocol of the specified interface goes down.exam. mGRE. This means that another HSRP router with higher priority can become the active router if that router has standby preempt enabled. http://www. which allows for maintenance mode. Loopback interfaces can be tracked. and Cisco Express Forwarding? A.QUESTION 29 Which Cisco IOS VPN technology leverages IPsec. Which feature should the engineer use to gather the required information? Get Latest & Actual 300-101 Exam's Question and Answers from exam.

manageengine. C.com/en/US/docs/ios-xml/ios/netflow/configuration/12-4t/cfg-nflow-data-expt.exam. C. What can you determine based on this information? A. Specifically.html QUESTION 32 An organization decides to implement NetFlow on its network to monitor the fluctuation of traffic that is disrupting core services. NetFlow output has been filtered by default. B. Flow Export version 9 is in use. Answer: A Explanation: https://blogs.html QUESTION 33 A network engineer has left a NetFlow capture enabled over the weekend to gather information regarding excessive bandwidth utilization. B. http://www. the network engineer is unable to see OUT traffic on the interfaces.A. The command ip flow-capture fragment-offset has been enabled. The following command is entered: switch#show flow exporter Flow_Exporter-1 What is the expected output? A. B. After reviewing the output of NetFlow.cisco. D. SNMP Cisco IOS EEM NetFlow Syslog WCCP Answer: C Explanation: NetFlow Flows Key Fields A network flow is identified as a unidirectional stream of packets between a given source and destination--both are defined by a network-layer IP address and transport-layer source and des-nation port numbers. D. Cisco Express Forwarding has not been configured globally. configuration of the specified flow exporter current status of the specified flow exporter status and statistics of the specified flow monitor configuration of the specified flow monitor Answer: B Explanation: show flow exporter exporter-name Example: Device# show flow exporter FLOW_EXPORTER-1 (Optional) Displays the current status of the specified flow exporter Get Latest & Actual 300-101 Exam's Question and Answers from exam. D.com/network-2/netflowanalyzer/2010/05/19/need-for-cef-in-netflowdata-export. E.com 16 . C. a flow is identified as the combination of the following key fields: http://www.

com 17 . or an edge network). which is essential to the superiority of NAT64 over NAT-PT.com/c/en/us/products/collateral/ios-nx-os-software/enterprise-ipv6solution/white_paper_c11-676278.cisco. C. http://www. E. DNS NAT port redirection stateless translation session handling Answer: AB Explanation: Work Address Translation IPv6 to IPv4.cisco. B. This solution allows both enterprises and ISPs to accelerate IPv6 adoption while simultaneously handling IPv4 address depletion.cisco.http://www. technology facilitates communication between IPv6-only and IPv4-only hosts and networks (whether in a transit. multi homing. The DnS64 and NAT64 functions are completely separated. or NAT64.) A. B. C. E. and IPv6 to IPv6 translations at the Internet edge are performed. an access.) A.html QUESTION 34 A company's corporate policy has been updated to require that stateless. 1-to-1. B. NAT64 NAT44 NATv6 NPTv4 NPTv6 Answer: E Explanation: NPTv6 provides a mechanism to translate the private internal organization prefixes to public globally reachable addresses. D.html QUESTION 36 Which two methods of deployment can you use when implementing NAT64? (Choose two. http://www. and redundancy and load sharing. C. What is the best solution to ensure compliance with this new policy? A. D.com/c/dam/en/us/td/docs/solutions/SBA/August2012/Cisco_SBA_BN_IPv6Addr essingGuide-Aug2012.pdf QUESTION 35 Which two functions are completely independent when implementing NAT64 over NAT-PT? (Choose two. D. stateless stateful manual automatic Get Latest & Actual 300-101 Exam's Question and Answers from exam.exam. http://www.com/en/US/docs/ios-xml/ios/fnetflow/configuration/15-mt/cfg-de-fnflowexprts. The use cases for NPTv6 outlined in the RFC include peering with partner networks. The translation mechanism is stateless and provides a 1:1 relationship between the internal addresses and external addresses.

html QUESTION 37 Which NetFlow component is applied to an interface and collects information about flows? A. C. The sampler matched 10 packets.com/c/en/us/td/docs/ios/fnetflow/command/reference/fnf_book/fnf_01.com/c/en/us/products/collateral/ios-nx-os-software/enterprise-ipv6solution/white_paper_c11-676277. static F. Which statement about the output of the show flow-sampler command is true? A. Flow monitors consist of a record and a cache. http://www. D. The sampler matched 10 packets. Get Latest & Actual 300-101 Exam's Question and Answers from exam. Flow data is collected from the network traffic during the monitoring process based on the key and nonkey fields in the record. The following table provides a high-level overview of the most relevant differences.E. C. which is configured for the flow monitor and stored in the flow monitor cache.cisco. functional G. one packet every 100 packets. The flow monitor cache is automatically created at the time the flow monitor is applied to the first interface. incoming packets are randomly selected so that one out of each n sequential packets is selected on average for NetFlow processing.com 18 . http://www.html#wp13 14030 QUESTION 38 Refer to the exhibit. Answer: A Explanation: The sampling mode determines the algorithm that selects a subset of traffic for NetFlow processing. dynamic Answer: AB Explanation: While stateful and stateless NAT64 perform the task of translating IPv4 packets into IPv6 packets and vice versa. The sampler matched 10 packets. one packet every 100 seconds. B. flow monitor flow exporter flow sampler flow collector Answer: A Explanation: Flow monitors are the NetFlow component that is applied to interfaces to perform network traffic monitoring. In the random sampling mode that Random Sampled NetFlow uses.exam. there are important differences.cisco. D. http://www. each one randomly chosen from every 100-second interval. B. The sampler matched 10 packets. You add the record to the flow monitor after you create the flow monitor. each packet randomly chosen from every group of 100 packets.

C. The S0/0 interface on Chicago and the S0/1 interface on NewYork are in Area 0. It configures the router to receive cache flow information about flows with destination IP 10.com/c/en/us/td/docs/ios/12_0s/feature/guide/nfstatsa.189 Secret Password: cisco Get Latest & Actual 300-101 Exam's Question and Answers from exam.1 5858? A. ROUTE. It configures the router to receive cache flow information from IP 10. You have been asked to complete the implementation to allow this ping. they cannot ping from the serial interface of the Seattle router to the loopback interface of the NewYork router.1 and port UDP/5858.OSPF Route.5/30 .cisco.1 on port UDP/5858. Answer: A Explanation: http://www.10. It configures the router to export cache flow information about flows with destination IP 10. http://www.10.http://www.16.10. .10.10.Link between Chicago and NewYork S0/1 192.html#wp1084291 QUESTION 39 What is the result of the command ip flow-export destination 10.10.168.6/30 .The routing protocol must be enabled for each interface using the most specific wildcard mask possible.The OSPF process ID for all routers must be 10.com's corporate implementation guidelines require: . D.The routing protocol for each interface must be enabled under the routing process.Link between Seattle and Chicago Secre Password: cisco NewYork S0/1 192.54.10.168.com/c/en/us/td/docs/ios/12_0s/feature/guide/12s_mdnf.9/30 . However.54.com is a small IT corporation that is attempting to implement the network shown in the exhibit.html#wp1023091 QUESTION 40 Lab Simulation 1 .Link between Chicago and NewYork Loopback0 172. OSPF has been configured on routers Chicago and NewYork.168. It configures the router to export cache flow information to IP 10.168.10.The serial link between Seattle and Chicago must be in OSPF area 21.10.16.com 19 . B.10. .1 on port UDP/5858. Currently the implementation is partially completed.OSPF area 21 must not receive any inter-area or external routes. .10/30 .exam.1 and port UDP/5858.189.16.Link between Seattle and Chicago Secret Password: cisco Chicago S0/0 192. The loopback0 interface on NewYork is in Area 1. Network Information Seattle S0/0 192.cisco. .

255.168.Answer: Note: In actual exam. the IP addressing.168.16.255. Network Address: 192.5/30 in order to configure the OSPF.com 20 . Seattle's S0/0 IP Address is 192. we need to find the network address and wildcard mask of 192. and router hostnames may change.168.5) belongs to subnet 1 (4 to 7).7 Lets find the wildcard mask of /30. but the overall solution is the same. Host Bits Lets find the wildcard mask of /30. IP Address: 192. http://www. 0's) Get Latest & Actual 300-101 Exam's Question and Answers from exam.16.4 Broadcast Address: 192.16.exam. hence the subnets will increment by 4.16.16.168. Subnet Mask: (Network Bits 1's. 256-252 = 4. First.168. find the 4th octet of the Network Address: The 4th octet of IP address (192.5/30. OSPF areas and process ID.5 /30 Subnet Mask: 255.168.16. So.252 Here subtract 252 from 2565.

16.0.0.3 area 21 Again. In order to accomplish this.com 21 . Therefore we want to configure area 21 as a totally stubby area. Seattle> enable Password: Seattle# conf t Seattle(config)# router ospf 10 Seattle(config-router)# network 192.168. Chicago(config-router)# area 21 stub no-summary Chicago(config-router)# end Chicago# copy run start Get Latest & Actual 300-101 Exam's Question and Answers from exam.0. we have to stop LSA Type 3 and Type 4.exam.0. area 21 should not receive any external or inter-area routes (except the default route).Now we configure OSPF using process ID 10 (note the process ID may change to something else in real exam). http://www.16.3 area 21 One of the tasks states that area 21 should not receive any external or inter-area routes (except the default route). And if we don't want to send inter-area routes.4 0. we must stop LSA Type 5 if we don't want to send external routes.168.4 0. Seattle(config-router)# area 21 stub Seattle(config-router)# end Seattle# copy run start Chicago Configuration: Chicago> enable Password: cisco Chicago# conf t Chicago(config)# router ospf 10 We need to add Chicago's S0/1 interface to Area 21 Chicago(config-router)# network 192.

as well as the New York router so there is nothing that needs to be done on that router. QUESTION 41 Lab Simulation 2 . Use the “show running-config” command on router R3 Get Latest & Actual 300-101 Exam's Question and Answers from exam.The other interface on the Chicago router is already configured correctly in this scenario. http://www.exam.EIGRP Stub Answer: First we have to figure out why R3 and R4 can not communicate with each other.com 22 .

Use the show ip route command on R3 to view its routing table R3# show ip route Get Latest & Actual 300-101 Exam's Question and Answers from exam. This keyword will also prevent any type of route from being sent.0.com 23 . Notice that the eigrp stub command equals to the eigrp stub connected summary because the connected and summary options are enabled by default.exam. http://www.Notice that R3 is configured as a stub receive-only router.0 network. Therefore we will remove this command and replace it with the eigrp stub command: R3# configure terminal R3(config)# router eigrp 123 R3(config-router)# no eigrp stub receive-only R3(config-router)# eigrp stub R3(config-router)# end Now R3 will send updates containing its connected and summary routes to other routers. Next we will configure router R3 so that it has only 2 subnets of 10. The receive-only keyword will restrict the router from sharing any of its routes with any other router in that EIGRP autonomous system.0.

Therefore.com 24 .255.0/24.0 255.255.2. In the output if we don’t see the summary line (like 10.0/8 is a summary…) then we should use the command ip summary-address eigrp 123 10.0. R4> enable R4# configure terminal R4(config)# interface s0/0 R4(config-if)# ip summary-address eigrp 123 10.0 255.0 at the interface s0/0 of R4 to summary.0.0/8 to summary.0 255.Because we want the routing table of R3 only have 2 subnets so we have to summary subnetworks at the interface which is connected with R3.2.0.2.exam.0 so that all the ping can work well. In conclusion. the output is shown below: (But please notice that the ip addresses and the subnet masks in your real exam might be different so you might use different ones to solve this question) Just for your information.0 you will leave a /16 network in the output of the show ip route command.0.0. for example.2. We can‘t get rid of it in the routing table no matter what technique we use to summary the networks.0 255. There is one interesting thing about the output of the show ip route shown above: the 10.0. notice that if you use another network than 10.0.0.0 Now we jump back to R3 and use the show ip route command to verify the effect.255.0.0. to make the routing table of R3 has only 2 subnets we have to summary other subnets into one subnet. we will use the ip summary-address eigrp 123 10.0. if you use the command ip summary-address eigrp 123 10.2. which is a directly connected network of R3. the s0/0 interface of R4.255.0. http://www.3. Get Latest & Actual 300-101 Exam's Question and Answers from exam.

.IPv6 OSPF Virtual Link Get Latest & Actual 300-101 Exam's Question and Answers from exam.com 25 .0/16.0..0. This summarization is better because all the pings can work well. Finally don't forget to use the copy running-config startup-config command on routers R3 and R4 to save the configurations.0/8 is a summary.exam. http://www..But in your real exam.0. if you don't see the line "10.2.Null0" then you can summary using the network 10.. R3(config-if)# end R3# copy run start R4(config-if)# end R4# copy run start QUESTION 42 Lab Simulation 3 .

Answer: To troubleshoot the problem.com 26 . Pay more attention to the outputs of routers R2 and R3. http://www.exam. first issue the show running-config on all of 4 routers. The output of the "show running-config" command of R2: And The output of the "show running-config" command of R3: Get Latest & Actual 300-101 Exam's Question and Answers from exam.

com 27 .exam. http://www.Get Latest & Actual 300-101 Exam's Question and Answers from exam.

exam.com 28 .Get Latest & Actual 300-101 Exam's Question and Answers from exam. http://www.

we can use a virtual link to connect to the backbone through a non-backbone area.3. we learned that the OSPF process ID of R3 is 1 and we have to disable the wrong configuration of "area 54 virtual-link 4.3.com 29 .com.2.3 Save the configuration: R2(config-rtr)# end R2# copy running-config startup-config (Notice that we have to use neighbor router-id 3. one via a frame relay link and one via an EoMPLS link.2.2. the area 11 will become the transit area.4"): R3> enable R3# configure terminal R3(config)# ipv6 router ospf 1 R3(config-rtr)# no area 54 virtual-link 4.2.2 Save the configuration: R3(config-rtr)# end R3# copy running-config startup-config You should check the configuration of R4. You may use the Test Workstation to generate HTTP traffic to validate your solution. In some cases. All other traffic may use either link.3. routers R2 and R3 must be configured with the area <area id> virtual-link <neighbor router-id> command. a small IT company.4.Policy Based Routing You are a network engineer with ROUTE. In this case.3 R4(config-router)# end After finishing the configuration don't forget to ping between R1 and R4 to make sure they work well! Note: If you want to check the routing information.3. Therefore. Choose and configure the appropriate path selection feature to accomplish this task. Get Latest & Actual 300-101 Exam's Question and Answers from exam.4. QUESTION 43 Lab Simulation 4 . IT policy requires that all outbound HTTP traffic use the frame relay link when it is available. use the show ipv6 route command .com has two connections to the Internet.3.not "show ip route".4.4 R3(config-rtr)# area 11 virtual-link 2.exam. too. + Configure virtual link on R2 (from the first output above.2) + Configure virtual link on R3 (from the second output above. ROUTE. we learned that the OSPF process ID of R2 is 1): R2> enable R2# configure terminal R2(config)# ipv6 router ospf 1 R2(config-rtr)# area 11 virtual-link 3.3.We knew that all areas in an Open Shortest Path First (OSPF) autonomous system must be physically connected to the backbone area (Area 0). No static or default routing is allowed. http://www.3. R4(config)# ipv6 router ospf 1 R4(config-router)# no area 54 virtual-link 3. where this is not possible. not R2's router-id 2. The area through which you configure the virtual link is known as a transit area.4.

com. Two links have been added that will provide redundancy.1. One network is using OSPF as its IGP and the other is using EIGRP as its IGP.com 30 .100. http://www.Answer: (1) First create the access list that catches the HTTP traffic: R1(config)# access-list 101 permit tcp any any eq www (2) Configure the route map that sets the next hop address to be ISP1 and permits the rest of the traffic: R1(config)# route-map R1(config-route-map)# R1(config-route-map)# R1(config-route-map)# R1(config)# route-map pbr permit 10 match ip address 101 set ip next-hop 10. They have recently merged two organizations and now need to merge their networks as shown in the topology exhibit.exam. R4 has been added to the existing OSPF network to provide the interconnect between the OSPF and EIGRP networks. a small IT company. Get Latest & Actual 300-101 Exam's Question and Answers from exam.EIGRP OSPF Redistribution You are a network engineer with ROUTE.2 exit pbr permit 20 (3) Apply the route-map on the interface to the server in the EIGRP Network: R1(config-route-map)# exit R1(config)# int fa0/1 R1(config-if)# ip policy route-map pbr R1(config-if)# exit R1(config)# exit QUESTION 44 Lab Simulation .

Answer: R2# show interface s0/0/0 Write down these 5 parameters.1.The network requirements state that you must be able to ping and telnet from loopback 101 on R1 to the OPSF domain test address of 172.16. All traffic must use the shortest path that provides the greatest bandwidth. notice that we have to divide the Delay by 10 because the metric unit is in tens of microsecond. If the delay is 20000us then we need to divide it by 10. Load=1. MTU=1500 bytes then we would redistribute as follows: R2# config terminal R2(config)# router ospf 1 R2(config-router)# redistribute eigrp 100 metric-type 1 subnets R2(config-router)# exit R2(config-router)# router eigrp 100 R2(config-router)# redistribute ospf 1 metric 1544 2000 255 1 1500 Note: In fact. that is 20000 / 10 = 2000) For R3 we use the show interface fa0/0 to get 5 parameters too Get Latest & Actual 300-101 Exam's Question and Answers from exam. Reliability=255.com 31 . A previous network engineer has started the merger implementation and has successfully assigned and verified all IP addressing and basic IGP routing. No static or default routing is allowed in either network. For example. You have been tasked with completing the implementation and ensuring that the network requirements are met. The redundant paths from the OSPF network to the EIGRP network must be available in case of a link failure. You may add new commands or change default values. Delay=20000 us. these parameters are just used for reference and we can use other parameters with no problem. You may not remove or change any of the configuration commands currently on any of the routers. http://www. we get Bandwidth=1544 Kbit.exam.100.

R3# show interface fa0/0 For example we get Bandwidth=10000 Kbit. Delay=1000 us.1 network (the network behind R4) in the routing table of R1 and make a ping from R1 to this network. http://www. MTU=1500 bytes R3# config terminal R3(config)# router ospf 1 R3(config-router)# redistribute eigrp 100 metric-type 1 subnets R3(config)# exit R3(config-router)# router eigrp 100 R3(config-router)# redistribute ospf 1 metric 10000 100 255 1 1500 Finally you should try to "show ip route" to see the 172. which is better than R1 -> R2 -> R4.16. but the overall solution is the same. Get Latest & Actual 300-101 Exam's Question and Answers from exam. which is smaller than the Administrative Distance of OSPF (110) -> the link between R2 & R3 will be preferred to the serial link between R2 & R4.exam. Reliability=255.com 32 . Note: The actual OPSF and EIGRP process numbers may change in the actual exam so be sure to use the actual correct values. Note: If the link between R2 and R3 is FastEthernet link. R2(config-router)# distance eigrp 90 105 This command sets the Administrative Distance of all EIGRP internal routes to 90 and all EIGRP external routes to 105. Load=1.100. we must put the command below under EIGRP process to make traffic from R1 to go through R3 (R1 -> R2 -> R3 -> R4). QUESTION 45 You have been asked to evaluate how EIGRP is functioning in a customer network.

What is the ratio of traffic over each path? A.6" command from R1 and see Get Latest & Actual 300-101 Exam's Question and Answers from exam. D. so we issue the "show ip route 150.6. find the IP address of the loopback0 interface on R6: We see that it is 150. http://www.exam. B.com 33 .1.6.Traffic from R1 to R6’s Loopback address is load shared between R1-R2-R4-R6 and R1-R3-R5R6 paths. 1:1 1:5 6:8 19:80 Answer: D Explanation: First. C.1.6.

Get Latest & Actual 300-101 Exam's Question and Answers from exam.com 34 .exam. QUESTION 46 You have been asked to evaluate how EIGRP is functioning in a customer network. and 80 for the second path. http://www.this: Notice the "traffic share count" shows 19 for the first path.

D. Get Latest & Actual 300-101 Exam's Question and Answers from exam.com 35 . http://www. Distribute-list using an ACL Distribute-list using a prefix-list Distribute-list using a route-map An ACL using a distance of 255 Answer: A Explanation: The configuration on R6 is as follows: This is a standard distribute list using access list number 1.exam. C.What type of route filtering is occurring on R6 A. B. QUESTION 47 You have been asked to evaluate how EIGRP is functioning in a customer network.

D.com 36 .exam. B.Which key chain is being used for authentication of EIGRP adjacency between R4 and R2? A. CISCO EIGRP key MD5 Answer: A Explanation: R4 and R2 configs are as shown below: Get Latest & Actual 300-101 Exam's Question and Answers from exam. C. http://www.

com 37 . http://www. QUESTION 48 You have been asked to evaluate how EIGRP is functioning in a customer network.exam. Get Latest & Actual 300-101 Exam's Question and Answers from exam.Clearly we see the actual key chain is named CISCO.

46. which is shows as 1810944 for the 192. C. 333056 1938688 1810944 307456 Answer: C Explanation: R1's routing table is as follows The numbers after the route specify the administrative distance of the route (90 for EIGRP) and the distance metric of that particular route.46.168. B.What is the advertised distance for the 192. Get Latest & Actual 300-101 Exam's Question and Answers from exam. D.168.0 route.com 38 . QUESTION 49 You have been asked to evaluate how EIGRP is functioning in a customer network.exam.0 network on R1? A. http://www.

http://www.What percent of R1's interfaces bandwidth is EIGRP allowed to use? A.exam.com 39 . B. 10 20 30 40 Answer: B Explanation: The relevant configuration of R1 is shown below: Get Latest & Actual 300-101 Exam's Question and Answers from exam. C. D.

exam. The customer has disabled your access to the show runningconfig command. http://www.com 40 . Get Latest & Actual 300-101 Exam's Question and Answers from exam.ip bandwidth-percent eigrp 1 20 1 = the EIGRP AS 20 = 20% of the bandwidth QUESTION 50 Scenario: You have been asked to evaluate an OSPF network setup in a test lab and to answer questions a customer has about its operation.

com 41 .How old is the Type 4 LSA from Router 3 for area 1 on the router R5 based on the output you have examined? A. B. 1858 1601 600 1569 Answer: A Explanation: Part of the "show ip ospf topology" command on R5 shows this: Get Latest & Actual 300-101 Exam's Question and Answers from exam. D.exam. http://www. C.

120. QUESTION 51 Scenario: You have been asked to evaluate an OSPF network setup in a test lab and to answer questions a customer has about its operation.40. Answer: B Explanation: We can see the configured timers using the following command: Get Latest & Actual 300-101 Exam's Question and Answers from exam. The customer has disabled your access to the show runningconfig command.3.com 42 . 120 The R1-R3 link OSPF timer values should be 10.The Link ID of R3 (3. D. B.3) shows the age is 1858. The R1-R3 link needs the neighbor command for the adjacency to stay up The R2-R3 link OSPF timer values are 30. C.40 R3 is responsible for flooding LSUs to all the routers on the network.3.exam. http://www. Which of the following statements is true about the serial links that terminate in R3 A.

Get Latest & Actual 300-101 Exam's Question and Answers from exam.QUESTION 52 Scenario: You have been asked to evaluate an OSPF network setup in a test lab and to answer questions a customer has about its operation. The customer has disabled your access to the show runningconfig command.exam.com 43 . http://www.

exam.com 44 . D. Get Latest & Actual 300-101 Exam's Question and Answers from exam. B. C. The customer has disabled your access to the show runningconfig command. 1 5 9 20 54 224 Answer: C Explanation: This can be found using the "show ip ospf" command on R4. F. Look for the Area 1 stats which shows this: QUESTION 53 Scenario: You have been asked to evaluate an OSPF network setup in a test lab and to answer questions a customer has about its operation. E. http://www.How many times was SPF algorithm executed on R4 for Area 1? A.

E.Areas of Router 5 and 6 are not normal areas.com 45 . C.exam. B. inspect their routing tables and determine which statement is true? A. http://www. D. R5's Loopback and R6's Loopback are both present in R5's Routing table R5's Loopback and R6's Loopback are both present in R6's Routing table Only R5's loopback is present in R5's Routing table Only R6's loopback is present in R5's Routing table Only R5's loopback is present in R6's Routing table Answer: A Explanation: Here are the routing tables of R5 and R6: Get Latest & Actual 300-101 Exam's Question and Answers from exam.

Get Latest & Actual 300-101 Exam's Question and Answers from exam.exam.com 46 . http://www.

QUESTION 54 Drag and Drop Question Answer: Get Latest & Actual 300-101 Exam's Question and Answers from exam.exam. http://www.com 47 .

http://www.com 48 .exam.QUESTION 55 Drag and Drop Question Answer: Get Latest & Actual 300-101 Exam's Question and Answers from exam.

B. which statement is correct? A. D.1. C. Get Latest & Actual 300-101 Exam's Question and Answers from exam.201. Then it fails to clear the entry. What is a possible cause for the incomplete marking? A. Based on this FIB table. C.com 49 .1.201. D.0. The router will listen for all multicast traffic. B. A network administrator checks this adjacency table on a router. The gateway of last resort is 192.0. Answer: C Explanation: The 0. The IP address of the router on FastEthernet is 209. There is no default gateway.168. QUESTION 57 Refer to the exhibit. After a clear ip arp or a clear adjacency command.exam. Here we see the next hop for this default route lists 192.QUESTION 56 Refer to the exhibit.0/0 route is the default route and is listed as the first CEF entry.168. incomplete ARP information incorrect ACL dynamic routing protocol failure serial link congestion Answer: A Explanation: To display information about the Cisco Express Forwarding adjacency table or the hardware Layer 3-switching adjacency table. the router marks the adjacency as incomplete.168. Reasons for Incomplete Adjacencies There are two known reasons for an incomplete adjacency: The router cannot use ARP successfully for the next-hop interface. use the show adjacency command.201. http://www.1 as the default router (gateway of last resort).

Because routers have limited resources. until there is space in the queue again.In an MPLS environment. it punts the packets to the CPU for ARP resolution and. steady streams to lose packets simultaneously. rather than discarding them. While the network is stable. Routers on the Internet normally have packet queues. When TCP flows are combined with UDP flows in a single service provider class and the class experiences congestion. D. Although some UDP applications have application-level windowing. D.org/wiki/TCP_global_synchronization QUESTION 59 Which three problems result from application mixing of UDP and TCP streams within a network with no QoS? (Choose three. the size of these queues is also limited. B.html#t4 QUESTION 58 A network engineer notices that transmission rates of senders of TCP traffic sharply increase and decrease simultaneously during periods of congestion.com/c/en/us/support/docs/ip/express-forwarding-cef/17812-cef-incomp. starvation jitter latency windowing lower throughput Answer: ACE Explanation: It is a general best practice not to mix TCP-based traffic with UDP-based traffic (especially streaming video) within a single service provider class due to the behaviors of these protocols during periods of congestion.cisco. E. flow control.wikipedia. the introduction of a sudden burst of traffic may cause large numbers of established. in turn. most UDP transmitters are completely oblivious to drops and thus never lower transmission rates due to dropping. and then any new packets are simply discarded. Interface level command ip route-cache cef No ARP Entry When CEF cannot locate a valid adjacency for a destination prefix. and there are no problems except that the full queue results in high latency. Specifically. C. the queue is constantly full. TCP transmitters will throttle-back flows when drops have been detected. The simplest technique to limit queue size is known as tail drop. then TCP Get Latest & Actual 300-101 Exam's Question and Answers from exam. and retransmission capabilities. This causes problems when used on TCP/IP routers handling multiple TCP streams. IP CEF should be enabeled for Label Switching. B. to allow them to hold packets when the network is busy.) A. for completion of the adjacency. especially when bursty traffic is present.com 50 . The queue is allowed to fill to its maximum size. http://www. http://www.exam. global synchronization tail drop random early detection queue management algorithm Answer: A Explanation: TCP global synchronization in computer networks can happen to TCP/IP flows during periods of congestion because each sender will reduce their transmission rate at the same time when packet loss occurs. However. C. http://en. Which condition causes this? A.

it is not always possible to separate TCP-based flows from UDP-based flows.flows will continually lower their rates. B. Granted. http://www. D. Tunneling does not enable users of the new protocol to communicate with users of the old protocol without dual-stack hosts. C.htm QUESTION 60 Which method allows IPv4 and IPv6 to work together without requiring both to be used for a single connection during the migration process? A. dual-stack method 6to4 tunneling GRE tunneling NAT-PT Answer: A Explanation: Dual stack means that devices are able to run IPv4 and IPv6 in parallel. Benefits: Native dual stack does not require any tunneling mechanisms on internal networks ?Both IPv4 and IPv6 run independent of each other Dual stack supports gradual migration of endpoints. Tunneling is more difficult to configure than dual stack or translation. Tunneling has two disadvantages. and applications. If both endpoints support Ipv4 only. B.com/web/strategy/docs/gov/IPV6at_a_glance_c45-625859.exam. thus providing connectivity between users of the new protocol. but it is beneficial to be aware of this behavior when making such application-mixing decisions. as WRED (for the most part) only affects TCP-based flows. http://www. Even if WRED is enabled on the service provider class. Answer: C Explanation: Using the tunneling option. Tunneling does not enable users of the new protocol to communicate with users of the old protocol without dual-stack hosts. http://www.com 51 . then IPv4 is used.pdf QUESTION 61 Which statement about the use of tunneling to migrate to IPv6 is true? A. http://www. Tunneling is less secure than dual stack or translation. For sessions that support IPv6. TCP-starvation/UDP-dominance likely occurs if (TCP-based) mission-critical data is assigned to the same service provider class as (UDP-based) streaming video and the class experiences sustained congestion. potentially giving up their bandwidth to drop-oblivious UDP flows. networks. IPv6 is used on a dual stack endpoint. It allows hosts to simultaneously reach IPv4 and IPv6 content. This effect is called TCP-starvation/UDP-dominance.cisco. The advantage of this approach is that the new protocol can work without disturbing the old protocol. This can increase latency and lower the overall throughput. D. C. organizations build an overlay network that tunnels one protocol over the other by encapsulating IPv6 packets within IPv4 packets and IPv4 packets within IPv6 packets.cisco.cisco. so it offers a very flexible coexistence strategy.com/c/en/us/products/collateral/ios-nx-os-software/enterprise-ipv6- Get Latest & Actual 300-101 Exam's Question and Answers from exam. the same behavior would be observed. as discussed in RFC 6144: Users of the new architecture cannot use the services of the underlying infrastructure. Tunneling destinations are manually determined by the IPv4 address in the low-order 32 bits of IPv4-compatible IPv6 addresses. which negates interoperability.com/warp/public/cc/so/neso/vpn/vpnsp/spqsd_wp.

0/16 route and therefore won't send it to anyone else downstream. C.0. C. Enable QoS FIFO for PPPoE support.16. Execute the no switchport command. Which one statement is true? A.0.0. which task must be completed? A. If you filter outbound.0.0.16.solution/white_paper_c11-676278.0/8 network will not be advertised by Router B because the network statement for the 10.0/8 network because it is blocked by the ACL.5.0/16 network will be blocked by the ACL.168.0. Answer: E Explanation: You can filter what individual routes are sent (out) or received (in) to any interface within your EIGRP configuration. QUESTION 63 Prior to enabling PPPoE in a virtual private dialup network group.0. but users on the 192. Execute the vpdn enable command.0/8 network can successfully ping users on the 192.0/24 cannot successfully ping users on the 10. B.0.168.0/8 network is missing from Router B.0.0/8 network. D.0. E. The 10. One example is noted above.0/8 network will not be in the routing table on Router B.0. Answer: B Get Latest & Actual 300-101 Exam's Question and Answers from exam.com 52 .0/24 network. Disable CDP on the interface. Users on the 10. YOU won't know about the route and therefore won't send it to anyone else downstream.0.exam. the next neighbor(s) will not know about anything except the 172. If you filter inbound. Traffic from the 172. http://www.0. B.5. The 10. D.html QUESTION 62 Refer to the exhibit.0. Router B will not advertise the 10.

designed to provide address independence to the edge network. ip helper-address {ip address} When configuring the ip helper-address command. algorithmic translation function.org/html/rfc6296 QUESTION 66 IPv6 has just been deployed to all of the hosts within a network. 53.225.port 67 TACACS UDP port 49 http://www.14.20. C.com 53 . such as SCTP. and 49 to 172. It is checksum-neutral.225 69 53 49 Answer: A Explanation: To let a router forward broadcast packet the command ip helper-address can be used. checksum-neutral.14. and to transports that use the TCP/UDP/DCCP (Datagram Congestion Control Protocol) pseudo-header and checksum NPTv6 provides a simple and compelling solution to meet the address-independence requirement in Ipv6. To avoid as many of the issues associated with NAPT44 as possible.14.20. http://www. Answer: C Explanation: RFC 6296 describes a stateless Ipv6-to-Ipv6 Network Prefix Translation (NPTv6) function. NAT Get Latest & Actual 300-101 Exam's Question and Answers from exam. It interferes with encryption of the full IP payload.port 137 NetBIOS Datagram Server -. C.225 router(config-if)#ip udp helper-address 172. B. It is transport-agnostic with respect to transports that do not checksum the IP header. router(config-if)#ip helper-address 172. Which feature allows IPv6 devices to communicate with IPv4 servers? A.port 138 Bootstrap Protocol (BOOTP) -.20.14.20.20.exam.ietf. the following broadcast packets will be forwarded by the router by default: TFTP -. The address-independence benefit stems directly from the translation function of the network prefix translator. http://tools. It rewrites transport layer headers. B. D.225 router(config-if)#ip helper-address 172.port 37 NetBIOS Name Server -.225 router(config-if)#udp helper-address 172. D. and nothing else.cisco-faq. NPTv6 is defined to include a two-way. It maintains a per-node state. The broadcasts will be forwarded to the unicast address which is specified with the ip helper command. Which command should be applied to the configuration to allow this? A.com/163/forward_udp_broadcas. but not to the servers.14.QUESTION 64 A network engineer is configuring a routed interface to forward broadcasts of UDP 69.UDP port 69 Domain Name System (DNS) ?UDP port 53 Time service -.html QUESTION 65 What is a function of NPTv6? A.

org/wiki/NAT64 QUESTION 67 A network engineer initiates the ip sla responder tcp-connect command in order to gather statistics for performance gauging. The NAT64 server then creates a NAT-mapping between the Ipv6 and the Ipv4 address. C. and sends its packets to the resulting address. http://en. C. The NAT64 server is the endpoint for at least one Ipv4 address and an Ipv6 network segment of 32-bits (for instance 64:ff9b::/96. see RFC 6052. IPv6 PMTU is enabled on the router. IPv6 flow control is enabled on the router. NATng NAT64 dual-stack NAT DNS64 Answer: C Explanation: NAT64 is a mechanism to allow Ipv6 hosts to communicate with Ipv4 servers.1 port 23 http://www. D. D. Flow-label marking in 1280-byte or larger packets is enabled.0.0. Flow-set marking in 1280-byte or larger packets is enabled. D.0.1).0. allowing them to communicate. B. In this example. E. In this example. C. This action allows the responder to reply to the TCP Connect operation. RFC 6146).com 54 . the control protocol is disabled on the source (Device B). http://www. connectionless-oriented service-oriented connection-oriented application-oriented Answer: C Explanation: Configuration Examples for IP SLAs TCP Connect Operations The following example shows how to configure a TCP Connection-oriented operation from Device B to the Telnet port (TCP port 23) of IP Host 1 (IP address 10.exam.com/c/en/us/td/docs/ios-xml/ios/ipsla/configuration/15-mt/sla-15-mtbook/sla_tcp_conn. as shown in the "TCP Connect Operation" figure in the "Information About the IP SLAs TCP Connect Operation" section.html QUESTION 68 A network engineer executes the ipv6 flowset command. What is the result? A. because the target is not a Cisco device and a well-known TCP port is used. there is no need to send the control message. The Ipv6 client embeds the Ipv4 address it wishes to communicate with using these bits. The operation is scheduled to start immediately.B. IP SLAs uses the control protocol to notify the IP SLAs responder to enable the target port temporarily. Device A (target device) Configuration configure terminal ip sla responder tcp-connect ipaddress 10. Which type of statistics does the engineer see? A.wikipedia. Answer: A Explanation: Enabling Flow-Label Marking in Packets that Originate from the Device This feature allows the Get Latest & Actual 300-101 Exam's Question and Answers from exam. B.cisco.

http://www. D.com/c/en/us/td/docs/ios-xml/ios/ipv6_basic/configuration/15-mt/ip6b-15-mtbook/ip6-mtu-path-disc.com 55 .cisco. D.) A. C. Which line in the output indicates that the send queue is full and export packets are not being sent? A. B. One of the last things that the engineer does is to configure an access list (access-list 1 permit any) along with the command ip nat inside source list 1 int s0/0 overload. Which two tables does this command clear and rebuild? (Choose two. The command ip nat inside source list 1 int s0/0 overload provides "many-to-one" access for all devices on a defined segment to share a single IP address upon exiting the external interface. B. C. The command access-list 1 defines interesting traffic that is allowed through the tunnel.cisco. Answer: D Explanation: http://www. The command access-list 1 permit any defines only one machine that is allowed through the tunnel.cisco.html QUESTION 70 A network engineer is asked to configure a "site-to-site" IPsec VPN tunnel.exam.device to track destinations to which the device has sent packets that are 1280 bytes or larger.com/c/en/us/td/docs/ios/12_0s/feature/guide/oaggnf. Which functions do the two commands serve in this scenario? A. output drops enqueuing for the RP fragmentation failures adjacency issues Answer: A Explanation: http://www. The command ip nat inside source list 1 int s0/0 overload disables "many-to-one" access for all devices on a defined segment to share a single IP address upon exiting the external interface. IP routing FIB ARP cache MAC address table Cisco Express Forwarding table topology table Answer: AB QUESTION 72 Which switching method is used when entries are present in the output of the command show ip Get Latest & Actual 300-101 Exam's Question and Answers from exam.shtml QUESTION 71 A network administrator executes the command clear ip route. B.html QUESTION 69 A network engineer executes the show ip flow export command. E. http://www. D.com/en/US/tech/tk648/tk361/technologies_tech_note09186a0080094e77. F. C.

The window scaling extension in Cisco IOS software expands the definition of the TCP window to 32 bits and then uses a scale factor to carry this 32-bit value in the 16-bit window field of the TCP header. http://www. The window size can increase to a scale factor of 14. Fast switching is enabled by default on all interfaces that support fast switching. The larger scalable window size will allow TCP to perform better over LFNs. A larger window size is recommended to improve TCP performance in network paths with large bandwidth-delay product characteristics that are called Long Fat Networks (LFNs). Destination addresses are stored in the high-speed cache to expedite forwarding.com/c/en/us/td/docs/ios/12_2/switch/command/reference/fswtch_r/xrfscmd5.html #wp1038133 QUESTION 73 Which two actions must you perform to enable and use window scaling on a router? (Choose two.exam. MS CHAP CDPCP CHAP PAP Get Latest & Actual 300-101 Exam's Question and Answers from exam. To display the routing table cache used to fast switch IP traffic. Set TCP options to "enabled" on the remote host. Execute the command ip tcp queuemax.com 56 .html#GUID-BD998AC6-F128-47DD-B5F7-B226546D4B08 QUESTION 74 Which PPP authentication method sends authentication information in cleartext? A. http://www. Set window scaling to be used on the remote host. B.com/c/en/us/td/docs/ios-xml/ios/ipapp/configuration/12-4t/iap-12-4t-book/iaptcp. The TCP Window Scaling enhancement provides that support. E. D.cisco. use the "show ip cache" EXEC command. Execute the command ip tcp adjust-mss. C.) A. Use the ip tcp window-size command in global configuration mode to configure the TCP window size. Typical applications use a scale factor of 3 when deployed in LFNs. D. In order for this to work. Routers offer better packet-transfer performance when fast switching is enabled. http://www.cisco. fast switching process switching Cisco Express Forwarding switching cut-through packet switching Answer: A Explanation: Fast switching allows higher throughput by switching a packet using a cache created by the initial packet sent to a particular destination. C. The TCP Window Scaling feature complies with RFC 1323. C. Execute the command ip tcp window-size 65536. B. TCP Extensions for High Performance. B. the remote host must also support this feature and its window size must be increased.cache? A. Answer: AB Explanation: The TCP Window Scaling feature adds support for the Window Scaling option in RFC 1323. D.

The remote node responds with a value calc"lated usi"g a one-way hash function. B. D. http://www. on the other hand.cisco.html QUESTION 75 Which protocol uses dynamic address mapping to request the next-hop protocol address for a specific connection? A.exam. otherwise. After the PPP link is established.html QUESTION 76 What is the default OSPF hello interval on a Frame Relay point-to-point network? A. 10 20 30 40 Answer: A Explanation: Before you troubleshoot any OSPF neighbor-related issues on an NBMA network. PAP authentication does not provide any protection against playback and line sniffing. the host sends a "challenge" message to the remote node. given its known DLCI. the authentication is acknowledged. If the values match. D. Responses to Inverse ARP requests are entered in an address-to-DLCI mapping table on the router or access server. C.Answer: D Explanation: PAP authentication involves a two-way handshake where the username and password are sent across the link in clear text. C. periodically verifies the identity of the remote node using a three-way handshake.cisco. http://www. the table is then used to supply the next-hop protocol address or the DLCI for outgoing traffic.com/c/en/us/support/docs/wan/point-to-point-protocol-ppp/10241-ppp-callinhostname. CHAP authentication. the connection is terminated. Frame Relay inverse ARP static DLCI mapping Frame Relay broadcast queue dynamic DLCI mapping Answer: A Explanation: Dynamic address mapping uses Frame Relay Inverse ARP to request the next-hop protocol address for a specific connection. B. hence. The host checks the response against its own calculation of the expected hash value.com/c/en/us/td/docs/ios/12_2/wan/configuration/guide/fwan_c/wcffrely. it is important to remember that an NBMA network can be configured in these modes of operation with the ip ospf network command: The Hello and Dead Intervals of each mode are described in this table: Network Type Hello Interval (secs) Dead Interval (secs) Point-to-Point Point-to-Multipoint Broadcast Non-Broadcast Get Latest & Actual 300-101 Exam's Question and Answers from exam. http://www.com 57 .

a stateful configuration is required. The autoconfiguration on the routers stop at this stage.0007 subnet 2001:DB8:0:1::/64 Which IPv6 addresses should the engineer add to the documentation? A.Before the link-local address can be assigned to the interface. The routers will need manual configuration (or stateful configuration) to receive site-local or global addresses. The router has the following interface parameters: mac address C601.exam. http://www. the address is a duplicate address and must not be used.com 58 . Once the node verifies that its tentative address is unique on the link.http://www. and was asked to document the IPv6 address of the router. manual configuration is required. At this stage. It does this by sending a Neighbor Solicitation message with target address as the "tentative" address and destination address as the solicitednode multicast address corresponding to this tentative address. If routers are present. The next phase involves obtaining Router Advertisements from routers if any routers are present on the link. the node performs the Duplicate Address Detection mechanism to see if any other node is using the same link-local address on the link. DHCPv6 request router-advertisement neighbor-solicitation redirect Answer: B Explanation: Autoconfiguration is performed on multicast-enabled links only and begins when a multicastenabled interface is enabled (during system startup or manually). it has IP-connectivity to other neighbors on this link. Nodes (both.com/site/amitsciscozone/home/important-tips/ipv6/ipv6-statelessautoconfiguration QUESTION 78 An engineer has configured a router to use EUI-64. hosts and routers) begin the process by generating a link-local address for the interface.html QUESTION 77 A router with an interface that is configured with ipv6 address autoconfig also has a link. It is formed by appending the interface identifier to well-known link-local prefix FE80::0. further tasks are performed only by the hosts. If a node responds with a Neighbor Advertisement message with tentative address as the target address. The interface identifier replaces the right-most zeroes of the link-local prefix.local address assigned. B. B. C. C.cisco. Hence.420F.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/13693-22. Which message is required to obtain a global unicast address when a router is present? A. 2001:DB8:0:1:C601:42FF:FE0F:7 2001:DB8:0:1:FFFF:C601:420F:7 2001:DB8:0:1:FE80:C601:420F:7 2001:DB8:0:1:C601:42FE:800F:7 Answer: A Explanation: Get Latest & Actual 300-101 Exam's Question and Answers from exam. D. the Router Advertisements notify what sort of configurations the hosts need to do and the hosts receive a global unicast IPv6 address.google. https://sites. If no routers are present. it assigns that link-local address to the interface. D.

The IPv6 EUI-64 format address is obtained through the 48-bit MAC address. Answer: A Explanation: To configure the autonomous-system number for an Enhanced Interior Gateway Routing Protocol (EIGRP) routing process to run within a VPN routing and forwarding (VRF) instance. QUESTION 79 For security purposes.cisco.html# wp1062796 QUESTION 81 A company has just opened two remote branch offices that need to be connected to the corporate network.com/c/en/us/td/docs/switches/datacenter/sw/5_x/nxos/unicast/configuration/guide/l3_cli_nxos/l3_ospfv3. http://www. This feature is a key benefit over IPv4 as it eliminates the need of manual configuration or DHCP as in the world of IPv4. IPv6 traffic filtering can be implemented only on SVIs.com 59 . The global anycast address must be added to the traffic filter to allow OSPFv3 to work properly. It sets the global BGP autonomous system number. Which interface configuration output can be applied to the corporate router to allow communication to the remote sites? Get Latest & Actual 300-101 Exam's Question and Answers from exam. as per RFC2373. IEEE has chosen FFFE as a reserved value which can only appear in EUI-64 generated from the EUI48 MAC address. It sets the global EIGRP autonomous system number. What caused this issue? A. It sets the BGP autonomous system number in a VRF.exam.html QUESTION 80 What is the purpose of the autonomous-system {autonomous-system-number} command? A. with one being OUI (Organizationally Unique Identifier) and the other being NIC specific. Answer: C Explanation: OSPFv3 uses link-local Ipv6 addresses for neighbor discovery and other features. http://www. The Mac address is first separated into two 24-bits.cisco. The link-local addresses that were used by OSPFv3 were explicitly denied. use the no form of this command. C. which caused the neighbor relationships to fail. so if any Ipv6 traffic filters are implemented be sure to include the link local address so that it is permitted in the filter list. To remove the autonomous-system for an EIGRP routing process from within a VPN VRF instance. shortly after implementing the traffic filter. use the autonomous-system command in address-family configuration mode. The traffic filter is blocking all ICMPv6 traffic. However. allows a host to assign iteslf a unique 64-Bit IP Version 6 interface identifier (EUI-64). The 16-bit 0xFFFE is then inserted between these two 24-bits to for the 64-bit EUI address.com/c/en/us/td/docs/ios/iproute_eigrp/command/reference/ire_book/ire_a1. B. B. D. D. OSPFv3 neighbor adjacencies were lost.Extended Unique Identifier (EUI). an IPv6 traffic filter was configured under various interfaces on the local router. C. It sets the EIGRP autonomous system number in a VRF. Autonomous-system autonomous-system-number no autonomous-system autonomous-system-number http://www.

165.200. interface fa0/0 bandwidth 1536 ip address 209.255. B.168. An mGRE interface does not have a configured destination. The distinguishing feature between an mGRE interface and a p2p GRE interface is the tunnel destination.) A.255. Instead the GRE tunnel is configured with the command tunnel mode gre multipoint.255. Besides allowing for multiple destinations.62. which is not seen in the configuration because it is the default. http://www. This means that an mGRE tunnel on the hub may connect to a p2p tunnel on the branch.2 tunnel destination 209.165. interface fa 0/0 bandwidth 1536 ip address 209.html QUESTION 82 A network engineer executes the show crypto ipsec sa command.230 255.x.200. a p2p GRE tunnel may connect to an mGRE tunnel. inbound crypto map remaining key lifetime path MTU tagged packets Get Latest & Actual 300-101 Exam's Question and Answers from exam.0 tunnel source Serial0/0 tunnel mode gre multipoint http://www. This command is used instead of the tunnel destination x.1.230 255.255.exam.x.231 255.161. effectively they have the tunnel mode gre command.10 255.201. Which three pieces of information are displayed in the output? (Choose three.A. tunnel interfaces by default are point-topoint (p-p) using GRE encapsulation. The mGRE configuration is as follows: ! interface Tunnel0 bandwidth 1536 ip address 10.224 tunnel source 209.x found with p2p GRE tunnels.231 255.200.224 tunnel mode gre multipoint C. C.1 tunnel-mode dynamic D.255.1 tunnel-mode dynamic Answer: A Explanation: The configuration of mGRE allows a tunnel to have multiple destinations. interface Tunnel0 bandwidth 1536 ip address 209.224 tunnel source Serial0/0 tunnel mode gre multipoint B.com/c/en/us/td/docs/solutions/Enterprise/WAN_and_MAN/DMVPDG/DMVPN_2 _ Phase2.cisco.255. interface Tunnel0 bandwidth 1536 ip address 209.224 tunnel source 192.255.165.165.165.255. an mGRE tunnel requires NHRP to resolve the tunnel endpoints.com 60 .255. D.165. The configuration of mGRE on one side of a tunnel does not have any relation to the tunnel properties that might exist at the exit points. Conversely.255.201.200. Note.

2.2 for traffic that goes between networks 20.1.1. dynamic.1. #pkts decompress failed: 0.255. #Recv errors 0 local crypto endpt.12.1.1. conn id: 3442. in use settings ={Tunnel.255.1. } slot: 0. local addr.1.1.1. crypto map: test sa timing: remaining key lifetime (k/sec): (4608000/52) IV size: 8 bytes replay detection support: Y outbound ah sas: outbound pcp sas: http://www.2 What does the authoritative flag mean in regards to the NHRP information? Get Latest & Actual 300-101 Exam's Question and Answers from exam.com 61 .1.0/0/0) current_peer: 12. This output shows an example of the show crypto ipsec sa command (bolded ones found in answers for this question). failed: 0.1.0/0/0) remote ident (addr/mask/prot/port): (10. Tunnel1 created 00:00:12.0/255. #pkts encrypt: 7767918.1.com/c/en/us/support/docs/security-vpn/ipsec-negotiation-ike-protocols/5409ipsec-debug-00. The encrypted tunnel is built between 12. interface: FastEthernet0 Crypto map tag: test. expire 01:59:47 TypE.0 and 10.1.1. #pkts compr. crypto map: test sa timing: remaining key lifetime (k/sec): (4608000/52) IV size: 8 bytes replay detection support: Y inbound ah sas: inbound pcp sas: inbound pcp sas: outbound esp sas: spi: 0x3D3(979) transform: esp-3des esp-md5-hmac . Flags: authoritative unique nat registered used NBMA address: 10. 12.2 PERMIT.1.1. http://www. remote crypto endpt.} #pkts encaps: 7767918. #send errors 1. flow_id: 1444.1 local ident (addr/mask/prot/port): (20.1.html QUESTION 83 Refer to the following output: Router#show ip nhrp detail 10. flags={origin_is_acl.0.2/8 via 10.255.2 path mtu 1500. flow_id: 1443. #pkts verify 7760382 #pkts compressed: 0.E. in use settings ={Tunnel.1.1.exam. } slot: 0.1 and 12. media mtu 1500 current outbound spi: 3D3 inbound esp sas: spi: 0x136A010F(325714191) transform: esp-3des esp-md5-hmac .1. #pkts decrypt: 7760382.cisco.0/255. invalid identity packets Answer: ABC Explanation: show crypto ipsec sa This command shows IPsec SAs built between peers.: 12. untagged packets F.1.1.1.: 12.255.1.2. You can see the two Encapsulating Security Payload (ESP) SAs built inbound and outbound. #pkts decompressed: 0 #pkts not compressed: 0. #pkts digest 7767918 #pkts decaps: 7760382. Authentication Header (AH) is not used since there are no AH SAs.1. conn id: 3443.

Answer: A Explanation: http://www. C. make sure the neighborship between the routers is always up. The NHRP mapping entry cannot be overwritten.com/c/en/us/td/docs/ios/12_4/ip_addr/configuration/guide/hadnhrp. D. http://www. It was obtained directly from the next-hop server.html QUESTION 84 Which common issue causes intermittent DMVPN tunnel flaps? A. In order to resolve this problem. D.exam.cisco. a routing neighbor reachability issue a suboptimal routing table interface bandwidth congestion that the GRE tunnel to hub router is not encrypted Answer: A Explanation: DMVPN Tunnel Flaps Intermittently Problem DMVPN tunnel flaps intermittently.html#Prblm1 QUESTION 85 Drag and Drop Question Answer: Get Latest & Actual 300-101 Exam's Question and Answers from exam. http://www. Data packets are process switches for this mapping entry. B. Solution When DMVPN tunnels flap. The mapping entry was created in response to an NHRP registration request.cisco. B. check the neighborship between the routers as issues with neighborship formation between routers may cause the DMVPN tunnel to flap.A.com 62 . NHRP mapping is for networks that are local to this router. C.com/c/en/us/support/docs/security-vpn/ipsec-negotiation-ike-protocols/29240dcmvpn. E.

http://www.QUESTION 86 Drag and Drop Question Answer: QUESTION 87 Drag and Drop Question Answer: Get Latest & Actual 300-101 Exam's Question and Answers from exam.com 63 .exam.

http://www.QUESTION 88 Drag and Drop Question Answer: QUESTION 89 Get Latest & Actual 300-101 Exam's Question and Answers from exam.exam.com 64 .

com 65 . http://www.Drag and Drop Question Answer: QUESTION 90 Drag and Drop Question Place the BGP commands to the proper locations Answer: Get Latest & Actual 300-101 Exam's Question and Answers from exam.exam.

http://www.exam.QUESTION 91 Drag and Drop Question Answer: Get Latest & Actual 300-101 Exam's Question and Answers from exam.com 66 .

) Select 3 response(s). to enable PPP session from the router to the termination device at the headend for metro Ethernet connectivity C. IPv6 routers send RA messages.exam. for DSL connectivity and removing the need for the end-user PC to run the PPPoE client software D. An IPv6 header contains the next header field.com 67 . A. for connecting the router to a cable modem. An IPv6 header is 20 bits long.QUESTION 92 Drag and Drop Question Answer: QUESTION 93 What is the purpose of configuring the router as a PPPoE client? Select the best response. to provide VPN access over L2TP B. C. E. D. Get Latest & Actual 300-101 Exam's Question and Answers from exam. An IPv6 header contains the protocol field. which bridges the Ethernet frames from the router to the cable modem termination system Answer: C QUESTION 94 Which three are characteristics of IPv6? (Choose three. http://www. B. A. An IPv6 address is 128 bits long.

B.F. The shortest path first (SPF) algorithm is performed on the LSA database. D. B.com 68 . C. A. B. IPv6 address for the host lifetime of the prefix prefixes for the link keepalive timers request for the local host IP address any route advertisements it has received Answer: BC QUESTION 96 Which statement is true about IPv6? Select the best response.exam. Then the shortest path first (SPF) algorithm is performed. Answer: ACE QUESTION 95 When an IPv6 enabled host boots. E. A. F. Only one IPv6 address is assigned per node. A. An IPv6 header contains the header checksum field. B. D. Which two items are contained in the RA? (Choose two. A. C. it sends a router solicitation (RS) message. An IPv6 router responds with a router advertisement (RA). IPv6 hosts use anycast addresses to assign IP addresses to interfaces. Each host can autoconfigure its address without the aid of a DHCP server. Answer: D Get Latest & Actual 300-101 Exam's Question and Answers from exam. all hosts in a local segment all routers in a local segment all hosts in a particular multicast group all routers in an autonomous system Answer: B QUESTION 98 What does the command clear ipv6 ospf process accomplish? Select the best response. The OSPF database is repopulated.) Select 2 response(s). C. D. D. The route table is cleared. The OSPF adjacencies are cleared and initiated again. http://www. Then the OSPF neighbors are reformed. Answer: C QUESTION 97 What is the IPv6 address FF02::2 used for? Select the best response. C. Only one IPv6 address can be assigned to each interface.

In interface configuration mode. the OSPFv3 area ID combination assigns interfaces to OSPFv3 areas.QUESTION 99 When implementing OSPFv3. D.com 69 . the IPv6 OSPF process area ID combination assigns interfaces to OSPFv3 areas. Answer: C QUESTION 100 The following exhibit shows ipv6 route output. C. 160 140 120 100 Answer: D QUESTION 101 How is authentication handled with OSPFv3? Select the best response. C. OSPFv3 for IPv6 authentication is supported by SHA-1 authentication. C. OSPFv3 for IPv6 authentication is supported by IPv4 IPsec. OSPFv3 for IPv6 authentication is supported by IPv6 IPsec. Get Latest & Actual 300-101 Exam's Question and Answers from exam. In interface configuration mode. http://www. In router configuration mode. the network wildcard area ID combination assigns networks to OSPFv3 areas. A. the IPv6 OSPF interface area ID combination assigns interfaces to OSPFv3 areas.exam. B. OSPFv3 for IPv6 authentication is supported by MD5 authentication. B. which statement describes the configuration of OSPF areas? Select the best response. What would the metric be for a summary route that summarizes all three OSPFv3 routes displayed? A. D. A. B. D. In router configuration mode.

The border router is using a proper seed metric for EIGRP. What additional configuration statement should be included on router R4 to advertise a default route to its neighbors? Select the best response. When checking the routing table on one of the OSPF routers within the OSPF routing domain. you are seeing some.0.0 255. D. EIGRP is configured on all routers in the network. Answer: DE QUESTION 104 Refer to the exhibit.com 70 . R4(config)# ip default-network 10.1 R4(config-router)# default-information originate Answer: A QUESTION 103 You have implemented mutual route redistribution between OSPF and EIGRP on a border router. E. B. The missing EIGRP routes are present in the routing table of the border router.1.0.0.Answer: C QUESTION 102 Refer to the exhibit.) Select 2 response(s). http://www.0. The border router is using a proper seed metric for OSPF.0 10.0 10.0. A. The subnet keyword on the border router in the redistribute EIGRP command.1. D. but not all of the expected routes.0.1 R4(config)# ip route 10. A. C. Which two things should you verify to troubleshoot this problem? (Choose two.1.1.0.0. On a basis of the show ip eigrp topology output provided. Get Latest & Actual 300-101 Exam's Question and Answers from exam.0 0. C.0.0 R4(config)# ip route 0. The administrative distance is set for OSPF and EIGRP.exam. B. what conclusion can be derived? Select the best response.0. EIGRP has been configured on all routers in the network.

Redistribution is not allowed unless the packet is changed to a type 7 packet.0/24.2. Router R1 is waiting for a reply from the neighbor 10.1 to the hello message sent out inquiring for a second successor to network 10. ::/0 is the unicast address. ::/0 is the default route. B.com 71 . C. Router R1 is waiting for a reply from the neighbor 10. A.0/24. http://www.0/24 out of interface FastEthernet0/0.1 in response to the query sent out about network 10.1. D.1. A. ::/0 is the unspecified address.6.) Select 3 response(s). B. C. ::/0 is the unicast address. Router R1 can send traffic destined for network 10. C. and ::/128 is the multicast address. C. and ::/128 is the anycast address. A.1 to the hello message sent out before it declares the neighbor unreachable. 2031:0:240F::09C0:123A:121B 2031::240F::09C0:123A:121B 2031::240F:9C0::123A:121B 2031::240F:::09C0:123A:121B Answer: A QUESTION 106 What is the difference between the IPv6 addresses ::/0 and ::/128? Select the best response.1.A. Get Latest & Actual 300-101 Exam's Question and Answers from exam. No virtual links are allowed. B.2. Answer: E QUESTION 107 Which three restrictions apply to OSPF stub areas? (Choose three. and ::/128 is the multicast address.1.1. E. Answer: D QUESTION 105 Using the rules for IPv6 addressing. ::/0 is the anycast address.exam.6. B.6. F.1. D. The area cannot be a backbone area. and ::/128 is the default address. Router R1 is waiting for a reply from the neighbor 10. and ::/128 is the unspecified address. and ::/128 is the multicast address. ::/0 is the anycast address.2. how can the address 2031:0000:240F:0000:0000:09C0:123A:121B be rewritten? Select the best response. D.

In a 6to4 tunnel. The area has no more than 10 routers. D. B. B.) A. All routes that do no match clauses 10 and 20 of the route map are redistributed with their tags set to 8. Which three statements accurately describe the result of applying the exhibited route map? Select 3 response(s). Interarea routes are suppressed. and 1500.168. The map prohibits the redistribution of all type 2 external OSPF routes. F. 1.exam. C. In a 6to4 tunnel. the IPv4 address 192.com 72 . No autonomous system border routers are allowed. the first two bytes of the IPv6 address will be 0?002 and the next four bytes will be the hexadecimal equivalent of the IPv4 address. C. F. Answer: AEF QUESTION 109 Which two statements are true about 6to4 tunnels? (Choose two. The map redistributes into EIGRP all routes that match the pfx prefix list and the five metric values 40000. The map prohibits the redistribution of all type 2 external OSPF routes with tag 6 set. In a 6to4 tunnel.D. 1000.1 would be converted to the 2002:c0a8:6301::/48 IPv6 address. http://www.99. E. The map permits the redistribution of all type 1 external OSPF routes. E. Get Latest & Actual 300-101 Exam's Question and Answers from exam. The map prohibits the redistribution of all external OSPF routes with tag 6 set. Answer: ABE QUESTION 108 Refer to the exhibit. A. 255. the first two bytes of the IPv6 address will be locally derived and the next two bytes will be the hexadecimal equivalent of the IPv4 address.

172. the IPv4 address 192. A.12 ::ffff:10.10. Assume that RTA fails. RTA was elected the DR and RTB was elected the BDR.exam.193. In a 6to4 tunnel. Dev-1 is the DR because it has a lower OSPF router ID. ::ffff:10.49 ::ffff161. B. E. the IPv4 address 192. What will happen when RTA comes back online? Get Latest & Actual 300-101 Exam's Question and Answers from exam.1 would be converted to the 2002:1315:4463:1::/64 IPv6 address.17 ::ffff193. E. A. F. E.17. In a 6to4 tunnel. http://www. Based on the show ip ospf neighbor output from the Dev-1 and Dev-3 routers. Dev-3 is the DR because it has a lower OSPF router ID.168.11.1 would be converted to the 2002:c0a8:6301::/16 IPv6 address.44. D.D.10. which statement is true? Select the best response.168.14. C.99.14 ::ffff44. and that RTB takes the place of the DR while RTC becomes the new BDR. B.193 ::ffff 172. C.49.193.11 Answer: E QUESTION 111 The Dev-1 and Dev-3 routers are OSPF neighbors over the Ethernet 0/0 connection. Dev-1 is the DR because it has a higher OSPF router priority. as seen in the graphic.12. Both Dev-1 and Dev-3 are using the default OSPF router priority.99. Answer: AC QUESTION 110 Which IPv4-mapped IPv6 address is equivalent to IPv6 address ::ffff:AC11:AC11? Select the best response. D. Answer: A QUESTION 112 During a recent OSPF election among three routers. Dev-3 is the DR because it has a higher OSPF router priority.com 73 .161.

D. Get Latest & Actual 300-101 Exam's Question and Answers from exam. B. Answer: C QUESTION 113 By default. RTA will take the place of DR only if RTB fails.Select the best response. B. Answer: B Explanation: Type E1 external routes calculate the cost by adding the external cost to the internal cost of each link that the packet crosses while the external cost of E2 packet routes is always the external cost only. All imported routes will be automatically summarized when possible. A. RTA will take the place of DR only if both RTB and RTC fail. D. C. E1 is useful when internal routing should be included in path selection. http://www. E2 is the default external metric when redistributing routes from other routing protocols into OSPF. A new election will take place establishing an all new DR and BDR based on configured priority levels and MAC addresses. They will appear in the OSPF routing table as type E1 routes. E2 is useful if you do not want internal routing to determine the path. RTA will take the place of DR immediately upon establishing its adjacencies. Summarized routes are not accepted. C. They will appear in the OSPF routing table as type E2 routes.exam. Only routes with lower administrative distances will be imported.com 74 . A. E. which statement is correct regarding the redistribution of routes from other routing protocols into OSPF? Select the best response.

Answer: B QUESTION 116 Which three benefits does the Cisco Easy Virtual Network provide to an enterprise network? (Choose three. D. D. Which three elements can you use to identify an IPv6 packet via its header. B. http://www. E." (Output is omitted.exam. E. C. troubleshooting. B.) What should be done to correctly set up OSPF? Select the best response. C. A stub router should have only EIGRP hub routers as neighbors. Only remote routers are configured as stubs. B. C. Spoke routers connected to hub routers answer the route queries for the stub router. F. Traffic Class Source address Flow Label Hop Limit Destination Address Get Latest & Actual 300-101 Exam's Question and Answers from exam. D. Ensure that an interface has been configured with an IP address. and usability reduced configuration and deployment time for dot1q trunking increased network performance and throughput decreased BGP neighbor configurations Answer: ABC QUESTION 117 The enterprise network WAN link has been receiving several denial of service attacks from both IPv4 and IPv6 sources.) A. Stub routers are not queried for routes. Ensure that an interface has been configured with an IP address and is up. Ensure that the interfaces can ping their directly connected neighbors. Answer: BCE QUESTION 115 An administrator types in the command router ospf 1 and receives the error message: "OSPF process 1 cannot start. C.QUESTION 114 What are three key concepts that apply when configuring the EIGRP stub routing feature in a hub and spoke network? (Choose three. B. E. in order to filter future attacks? (Choose three. A. simplified Layer 3 network virtualization improved shared services support enhanced management. F. A hub router prevents routes from being advertised to the remote router.) A. EIGRP stub routing should be used on hub routers only.) A. Ensure that IP classless is enabled. D.com 75 .

D. The monitor starts at 12:05:00 a. The packets that are being sent use DSCP EF.exam.F. Answer: A QUESTION 120 Refer to the exhibit. Jitter is being tested with TCP packets to port 65051. B. Which statement about the command output is true? Get Latest & Actual 300-101 Exam's Question and Answers from exam. C. B. Fragment Offset Answer: ACD QUESTION 118 Which traffic characteristic is the reason that UDP traffic that carries voice and video is assigned to the queue only on a link that is at least 768 kbps? A. 20 packets are being sent every 30 seconds. Which statement about the configuration is true? A. typically is not fragmented typically is fragmented causes windowing causes excessive delays for video traffic Answer: A QUESTION 119 Refer to the exhibit. C. http://www. D.m.com 76 .

1 on TCP port 5127. B. which route is the summarized route? Get Latest & Actual 300-101 Exam's Question and Answers from exam. D.exam.1 on UDP port 5127. The router exports flow information to 10. The router exports flow information to 10. Answer: A QUESTION 121 Which type of BGP AS number is 64591? A.10.A.10. D. C. The router receives flow information from 10. a private AS number a public AS number a private 4-byte AS number a public 4-byte AS number Answer: A QUESTION 122 Refer to the exhibit.10. C.com 77 .10. The router receives flow information from 10.2 on TCP port 5127. B.10. http://www. When summarizing these routes.10.10.2 on UDP port 5127.10.

exam. C.A. B. Which type of IPv6 address is portrayed in the exhibit? A. Dual stack changes the IP addresses on hosts from IPv4 to IPv6 automatically. DMVPN Cisco Easy VPN GETVPN GREVPN Answer: B QUESTION 124 Which statement about dual stack is true? A. http://www. OI 2001:DB8::/48 [110/100] via FE80::A8BB:CCFF:FE00:6F00. C. Dual stack means that devices are able to run IPv4 and IPv6 in parallel. Ethernet0/0 OI 2001:DB8::/64 [110/100] via FE80::A8BB:CCFF:FE00:6F00. link-local site-local global multicast Answer: A Get Latest & Actual 300-101 Exam's Question and Answers from exam. Answer: B QUESTION 125 Refer to the exhibit. B. Ethernet0/0 OI 2001:DB8::/24 [110/100] via FE80::A8BB:CCFF:FE00:6F00.com 78 . D. D. Dual stack translates IPv6 addresses to IPv4 addresses. C. Ethernet0/0 OI 2001:DB8::/32 [110/100] via FE80::A8BB:CCFF:FE00:6F00. B. D. D. The command is executed while configuring a point-to-multipoint Frame Relay interface. C. B. Ethernet0/0 Answer: A QUESTION 123 Which Cisco VPN technology uses AAA to implement group policies and authorization and is also used for the XAUTH authentication method? A. Dual stack translates IPv4 addresses to IPv6 addresses.

by forwarding the packet by dropping the packet by creating a new FIB entry for the packet by looking in the routing table for an alternate FIB entry Answer: B QUESTION 129 A network administrator is troubleshooting a DMVPN setup between the hub and the spoke.exam. C.QUESTION 126 Which statement about the NPTv6 protocol is true? A.com 79 . D. Which action should the administrator take before troubleshooting the IPsec configuration? A. Verify the GRE tunnels. B. C. D. C. It is used to translate IPv6 prefixes to IPv4 subnets with appropriate masks. D. Answer: A QUESTION 130 Which IPv6 address type is seen as the next-hop address in the output of the show ipv6 rip RIPng database command? A. http://www. Verify ISAKMP. It is used to translate an IPv6 address prefix to another IPv6 prefix. C. B. D. It is used to translate IPv4 prefixes to IPv6 prefixes. Verify NHRP. B. It is used to translate IPv4 addresses to IPv6 link-local addresses. B. auth noauth priv secret Answer: C QUESTION 128 How does an IOS router process a packet that should be switched by Cisco Express Forwarding without an FIB entry? A. Answer: B QUESTION 127 Which parameter in an SNMPv3 configuration offers authentication and encryption? A. link-local Get Latest & Actual 300-101 Exam's Question and Answers from exam. Verify crypto maps.

B.
C.
D.
E.

global
site-local
anycast
multicast

Answer: A

QUESTION 131
Refer to the exhibit. The network setup is running the RIP routing protocol.
Which two events will occur following link failure between R2 and R3? (Choose two.)

A.
B.
C.
D.

R2 will advertise network 192.168.2.0/27 with a hop count of 16 to R1.
R2 will not send any advertisements and will remove route 192.168.2.0/27 from its routing table.
R1 will reply to R2 with the advertisement for network 192.168.2.0/27 with a hop count of 16.
After communication fails and after the hold-down timer expires, R1 will remove the
192.168.2.0/27 route from its routing table.
E. R3 will not accept any further updates from R2, due to the split-horizon loop prevention
mechanism.
Answer: AC

QUESTION 132
A network engineer is trying to modify an existing active NAT configuration on an IOS router by
using the following command:
(config)# no ip nat pool dynamic-nat-pool 192.1.1.20 192.1.1.254
netmask 255.255.255.0
Upon entering the command on the IOS router, the following message is
seen on the console:
%Dynamic Mapping in Use, Cannot remove message or the %Pool outpool in
use, cannot destroy
What is the least impactful method that the engineer can use to modify the existing IP NAT
configuration?
A. Clear the IP NAT translations using the clear ip nat traffic * " command, then replace the NAT
configuration quickly, before any new NAT entries are populated into the translation table due to
active NAT traffic.
B. Clear the IP NAT translations using the clear ip nat translation * " command, then replace the
NAT configuration quickly, before any new NAT entries are populated into the translation table
due to active NAT traffic.

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80

C. Clear the IP NAT translations using the reload command on the router, then replace the NAT
configuration quickly, before any new NAT entries are populated into the translation table due to
active NAT traffic.
D. Clear the IP NAT translations using the clear ip nat table * " command, then replace the NAT
configuration quickly, before any new NAT entries are populated into the translation table due to
active NAT traffic.
Answer: B

QUESTION 133
To configure SNMPv3 implementation, a network engineer is using the AuthNoPriv security level.
What effect does this action have on the SNMP messages?
A.
B.
C.
D.

They become unauthenticated and unencrypted.
They become authenticated and unencrypted.
They become authenticated and encrypted.
They become unauthenticated and encrypted.

Answer: B

QUESTION 134
Which three items can you track when you use two time stamps with IP SLAs? (Choose three.)
A.
B.
C.
D.
E.
F.

delay
jitter
packet loss
load
throughput
path

Answer: ABC

QUESTION 135
An engineer executes the ip flow ingress command in interface configuration mode. What is the
result of this action?
A.
B.
C.
D.

It enables the collection of IP flow samples arriving to the interface.
It enables the collection of IP flow samples leaving the interface.
It enables IP flow while disabling IP CEF on the interface.
It enables IP flow collection on the physical interface and its subinterfaces.

Answer: A

QUESTION 136
Two aspects of an IP SLA operation can be tracked: state and reachability. Which statement
about state tracking is true?
A. When tracking state, an OK return code means that the track's state is up; any other return code
means that the track's state is down.

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81

B. When tracking state, an OK or over threshold return code means that the track's state is up; any
other return code means that the track's state is down.
C. When tracking state, an OK return code means that the track's state is down; any other return
code means that the track's state is up.
D. When tracking state, an OK or over threshold return code means that the track's state is down;
any other return code means that the track's state is up.
Answer: A

QUESTION 137
A network engineer has set up VRF-Lite on two routers where all the interfaces are in the same
VRF. At a later time, a new loopback is added to Router 1, but it cannot ping any of the existing
interfaces. Which two configurations enable the local or remote router to ping the loopback from
any existing interface? (Choose two.)
A.
B.
C.
D.
E.
F.

adding a static route for the VRF that points to the global route table
adding the loopback to the VRF
adding dynamic routing between the two routers and advertising the loopback
adding the IP address of the loopback to the export route targets for the VRF
adding a static route for the VRF that points to the loopback interface
adding all interfaces to the global and VRF routing tables

Answer: AB

QUESTION 138
Refer to the exhibit. After configuring GRE between two routers running OSPF that are connected
to each other via a WAN link, a network engineer notices that the two routers cannot establish the
GRE tunnel to begin the exchange of routing updates. What is the reason for this?

A. Either a firewall between the two routers or an ACL on the router is blocking IP protocol number
47.
B. Either a firewall between the two routers or an ACL on the router is blocking UDP 57.
C. Either a firewall between the two routers or an ACL on the router is blocking TCP 47.
D. Either a firewall between the two routers or an ACL on the router is blocking IP protocol number
57.
Answer: A

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82

QUESTION 139 The following configuration is applied to a router at a branch site: ipv6 dhcp pool dhcp-pool dns-server 2001:DB8:1:B::1 dns-server 2001:DB8:3:307C::42 domain-name example. It introduces multi-VRF and label-prone network segmentation.) A. MS CHAP CDPCP CHAP PAP Answer: D QUESTION 141 What is the primary service that is provided when you implement Cisco Easy Virtual Network? A. C. B. C. Get Latest & Actual 300-101 Exam's Question and Answers from exam.com 83 . The router acts as an authoritative NTP clock at stratum 10. which two dynamic IPv6 addressing mechanisms could you use on end hosts to provide end-to-end connectivity? (Choose two. Answer: C QUESTION 142 Refer to the following configuration command. router (config-line)# ntp master 10 Which statement about this command is true? A. D. It allows for traffic separation and improved network efficiency. http://www. The router acts as an authoritative NTP clock with a priority number of 10. It reduces the need for common services separation.exam. D. C. C. The router acts as an authoritative NTP clock and allows only 10 NTP client connections. B.com ! If IPv6 is configured with default settings on all interfaces on the router. EUI-64 SLAAC DHCPv6 BOOTP Answer: AB QUESTION 140 Which PPP authentication method sends authentication information in cleartext? A. B. It requires and enhances the use of VRF-Lite. D. B.

0. http://www. B.0.0/8 network will not be advertised by Router B because the network statement for the 10. D. to support multiple connections from multiple spoke devices? A. Answer: B QUESTION 143 Which Cisco VPN technology can use multipoint tunnel.16. Which advertisement is installed in the routing table? A. The 10.exam. Traffic from the 172.0/8 network is missing from RouterB. The router acts as an authoritative NTP clock for 10 minutes only. B. C.0. DMVPN GETVPN Cisco Easy VPN FlexVPN Answer: A QUESTION 144 A router receives a routing advertisement for the same prefix and subnet from four different routing protocols.D.0. D. C.0/16 network will be blocked by the ACL. B.0. Which statement is true? A. RIP OSPF iBGP EIGRP Answer: D QUESTION 145 Refer to the exhibit. Get Latest & Actual 300-101 Exam's Question and Answers from exam.com 84 . resulting in a single GRE tunnel interface on the hub.

D.com 85 . Consider the following output: hostname RouterB ! Get Latest & Actual 300-101 Exam's Question and Answers from exam.0.0/24 network. B. http://www. C.0. E.0. E. B.exam.5. PMTUD MSS windowing TCP global synchronization Answer: A QUESTION 147 A network engineer is investigating the cause of a service disruption on a network segment and executes the debug condition interface fastethernet f0/0 command. C. Router B will not advertise the 10. but users on the 192. D.5. In which situation is the debugging output generated? A. E.0. Answer: E QUESTION 146 Which technology was originally developed for routers to handle fragmentation in the path between end points? A. B.0/8 network. D. C.0. router#show memory allocating-process table router#show memory summary router#show memory dead router#show memory events router#show memory processor statistics Answer: AB QUESTION 149 Refer to the exhibit.) A. The 10. The DHCP client is unable to receive a DHCP address from the DHCP server.168. when packets on the interface are received and the interface is operational when packets on the interface are received and logging buffered is enabled when packets on the interface are received and forwarded to a configured syslog server when packets on the interface are received and the interface is shut down Answer: A QUESTION 148 Which two commands would be used to troubleshoot high memory usage for a process? (Choose two.0/24 cannot successfully ping users on the 10. D.0.0.0/8 network will not be in the routing table on RouterB.0/8 network can successfully ping users on the 192. Users on the 10.168.0/8 network because it is blocked by the ACL.C.0.

255 Answer: A QUESTION 150 If the total bandwidth is 64 kbps and the RTT is 3 seconds. Update: 30 seconds Expire: 180 seconds Flush: 240 seconds Update: 20 seconds Expire: 120 seconds Flush: 160 seconds Update: 10 seconds Expire: 60 seconds Flush: 80 seconds Update: 5 seconds Expire: 30 seconds Flush: 40 seconds Get Latest & Actual 300-101 Exam's Question and Answers from exam.000 bytes 62.000 bytes 24.interface fastethernet 0/0 ip address 172. B. B.1. D.255.1 255.1.2 RouterB(config-if)# ip helper-address 172. C.0 255.0 10.1. 8.1.000 bytes 32.1.255.255.000 bytes 16. http://www. B.255.16.000 bytes Answer: C QUESTION 151 What are the default timers for RIPng? A.1.1 255. RouterB(config-if)# ip helper-address 172.31.com 86 .1 RouterB(config-if)# ip helper-address 172.1.16.255. what is the bandwidth delay product? A. C.255.252 ! ip route 172. E. D.1.1 RouterB(config-if)# ip helper-address 255.16.exam.1.2 Which configuration is required on the Router B fastethernet 0/0 port in order to allow the DHCP client to successfully receive an IP address from the DHCP server? A.31. C. D.255.255.0 interface serial 0/0 ip address 10.

C. In order to update the next hop for the interesting traffic. C.Answer: A QUESTION 152 What is the purpose of the route-target command? A. D. B. F. SNMP PBR IP SLA SAA ACLs IGP Answer: B QUESTION 154 A route map uses an ACL. if the required matching is based on which criteria? A. E.com 87 .exam. http://www. network outage network switching loop router configuration issue wrong proxy configured Answer: B Get Latest & Actual 300-101 Exam's Question and Answers from exam. It extends the IP address to identify which VRF instance it belongs to. It enables multicast distribution for VRF-Lite setups to enhance IGP routing protocol capabilities. addressing information route types AS paths metrics Answer: A QUESTION 155 Various employees in the same department report to the network engineer about slowness in the network connectivity to the Internet. B. Upon monitoring. B. which feature must be used in conjunction with the newly created tracking object to manipulate the traffic flow as required? A. B. D. D. They are also having latency issues communicating to the network drives of various departments. the engineer finds traffic flood in the network. C. D. It manages the import and export of routes between two or more VRF instances. It enables multicast distribution for VRF-Lite setups to enhance EGP routing protocol capabilities. Which option is the problem? A. C. Answer: C QUESTION 153 A network engineer has configured a tracking object to monitor the reachability of IP SLA 1.

B.com 88 . E. B. This configuration is incorrect because the MTU must match the ppp-max-payload that is defined. This configuration is incorrect because the dialer interface number must be the same as the dialer pool number. C. This configuration is missing an IP address on the dialer interface. Which statement about the configuration is true? A. D.QUESTION 156 Which type of handshake does CHAP authentication use to establish a PPP link? A. D. Get Latest & Actual 300-101 Exam's Question and Answers from exam. http://www. A PPPoE session can be initiated only by the access concentrator. C. C. Answer: C QUESTION 159 Refer to the exhibit. Multiple PPPoE clients can use the same dialer pool. one-way two-way three-way four-way Answer: C QUESTION 157 Which two authentication protocols does PPP support? (Choose two. D. D. WAP PAP CHAP EAP RADIUS Answer: BC QUESTION 158 Which statement is a restriction for PPPoE configuration? A.) A. This configuration represents a complete PPPoE client configuration on an Ethernet connection. C. Multiple PPPoE clients can use the same dialer interface. B. A PPPoE session can be initiated only by the client.exam. B.

B. C. Which technology must be configured to prevent remote sites from getting overwhelmed with traffic and prevent packet drops from the headquarters? A. http://www. D.com 89 . B. How is the prefix advertised? A. B. serial interfaces Ethernet interfaces fiber interfaces ISDN interfaces auxiliary interfaces Answer: AD QUESTION 162 In IPv6.) A. routing table router advertisements routing protocol routing type Answer: B QUESTION 163 Refer to the exhibit. D. SLAAC provides the ability to address a host based on a network prefix that is advertised from a local network router. Which option prevents routing updates from being sent to the access layer switches? Get Latest & Actual 300-101 Exam's Question and Answers from exam. C.exam. D. C. E. traffic shaping IPsec VPN GRE VPN MPLS Answer: A QUESTION 161 On which two types of interface is Frame Relay switching supported? (Choose two.Answer: D QUESTION 160 A company has their headquarters located in a large city with a T3 frame relay link that connects 30 remote locations that each have T1 frame relay connections.

Which option prevents routing updates from being sent to the DHCP router.com 90 .exam. ALS1(config-router)# passive-interface gi0/1 ALS1(config-router)# passive-interface gi0/2 ALS2(config-router)# passive-interface gi0/1 ALS2(config-router)# passive-interface gi0/2 Answer: C QUESTION 164 Refer to the exhibit.A. http://www. ALS1(config-router)# passive-interface default ALS2(config-router)# passive-interface default C. DWS1(config-router)# passive-interface gi1/1 DWS1(config-router)# passive-interface gi1/2 DWS2(config-router)# passive-interface gi1/1 DWS2(config-router)# passive-interface gi1/2 D. DWS1(config-router)# passive-interface default DWS2(config-router)# passive-interface default B. while still allowing routing update messages to flow to the Internet router and the distribution switches? Get Latest & Actual 300-101 Exam's Question and Answers from exam.

C.exam. D. Internet(config-router)# passive-interface default Core(config-router)# passive-interface default DSW1(config-router)# passive-interface default DSW2(config-router)# passive-interface default Answer: C QUESTION 165 A network engineer is considering enabling load balancing with EIGRP. DHCP(config-router)# passive-interface default DHCP(config-router)# no passive-interface Gi1/0 Internet(config-router)# passive-interface Gi0/1 Internet (config-router)# passive-interface Gi0/2 B.com 91 . Core(config-router)# passive-interface Gi0/0 Core(config-router)# passive-interface Gi3/1 Core(config-router)# passive-interface Gi3/2 DHCP(config-router)# no passive-interface Gi1/0 C. Core(config-router)# passive-interface default Core(config-router)# no passive-interface Gi0/0 Core(config-router)# no passive-interface Gi3/1 Core(config-router)# no passive-interface Gi3/2 D.A. Which consideration should be analyzed? A. EIGRP unequal path load balancing can result in routing loops. By default. EIGRP allows a maximum of four paths across for load balancing traffic. Get Latest & Actual 300-101 Exam's Question and Answers from exam. B. EIGRP uses a default variance of 2 for load balancing. By default. EIGRP performs equal cost load balancing at least across four equal cost paths. http://www.

B. B. D. http://www. D.exam.) A.com 92 . E.Answer: D QUESTION 166 The OSPF database of a router shows LSA types 1. C. B. stub area totally stubby area backbone area not-so-stubby area Answer: D QUESTION 167 An engineer is configuring a GRE tunnel interface in the default mode. Which option also is required on the tunnel interface before it is operational? A. D. D. RIPv2 OSPFv2 BGP EIGRP IS-IS Answer: BD QUESTION 170 Get Latest & Actual 300-101 Exam's Question and Answers from exam. The engineer has assigned an IPv4 address on the tunnel and sourced the tunnel from an Ethernet interface. 2. and 7 only. tunnel destination address keepalives IPv6 address tunnel protection Answer: A QUESTION 168 Which protocol is used in a DMVPN network to map physical IP addresses to logical IP addresses? A. C. B. 3. C. C. Which type of area is this router connected to? A. BGP LLDP EIGRP NHRP Answer: D QUESTION 169 Which two routing protocols are supported by Easy Virtual Network? (Choose two.

com 93 .) A. http://www. allow self ping to router allow default route allow based on ACL match source reachable via both Answer: D QUESTION 173 Refer to the exhibit. D.1. RADIUS and TACACS+ allow accounting of commands. and TACACS+ uses UDP. B.0/8 hosts that could enter router R? A. C. Neither RADIUS nor TACACS+ allow for accounting of commands. C. RADIUS and TACACS+ encrypt the entire body of the packet.Which statement is true? A. RADIUS is more flexible than TACACS+ in router management.16. Answer: BD QUESTION 172 Which option is invalid when configuring Unicast Reverse Path Forwarding? A. D. RADIUS encrypts the entire body of the packet. E. C. (config)#ip cef (config)#interface fa0/0 (config-if)#ip verify unicast source reachable-via rx allow-default Get Latest & Actual 300-101 Exam's Question and Answers from exam. RADIUS and TACACS+ are client/server AAA protocols. Answer: D QUESTION 171 Which two statements about AAA implementation in a Cisco router are true? (Choose two. D.0.exam. TACACS+ encrypts only the password portion of a packet. B. TACACS+ separates authentication and authorization.0/24 network to successfully enter router R. B. RADIUS uses TCP. Which option represents the minimal configuration that allows inbound traffic from the 172.0. while also limiting spoofed 10.

The client multicasts NTP requests.10. B.1 any eq 80 D.10.10. Answer: AC QUESTION 176 Refer to the exhibit.com 94 .10.exam. http://www. (config)#no ip cef (config)#interface fa0/0 (config-if)#ip verify unicast source reachable-via rx D. E. The client broadcasts NTP requests. Which command allows hosts that are connected to FastEthernet0/2 to access the Internet? Get Latest & Actual 300-101 Exam's Question and Answers from exam. C. permits all traffic except for http traffic sourced from the workstation with IP address 10.) A.10.1? A. The client creates a VPN tunnel to an NTP server.1 any eq 80 permit ip any any C. ip access-list extended 200 deny tcp host 10. (config)#interface fa0/0 (config-if)#ip verify unicast source reachable-via any Answer: A QUESTION 174 Which outbound access list. ip access-list extended 10 deny tcp host 10. ip access-list extended NO_HTTP deny tcp host 10. (config)#ip cef (config)#interface fa0/0 (config-if)#ip verify unicast source reachable-via rx C. The client listens to NTP broadcasts.1 any eq 80 permit ip any any Answer: D QUESTION 175 Which two statements indicate a valid association mode for NTP synchronization? (Choose two.10.10. D.10. The client polls NTP servers for time. applied to the WAN interface of a router.10.1 eq 80 any permit ip any any B.10.B. ip access-list extended 100 deny tcp host 10.

50.168.50 to access external websites using TCP port 8080. D. It allows external clients to connect to a web server hosted on 192.225 10. It represents an incorrect NAT configuration because it uses standard TCP ports. D. Answer: C QUESTION 178 Refer to the exhibit.0 overload ip nat inside source list 10 interface FastEthernet0/2 overload ip nat outside source list 10 interface FastEthernet0/2 overload Answer: A QUESTION 177 Which statement describes what this command accomplishes when inside and outside interfaces are correctly identified for NAT? ip nat inside source static tcp 192.165. B.50. http://www. B.168.201.A.1. C. Which technology can be employed to automatically detect a WAN primary link failure and failover to the secondary link? Get Latest & Actual 300-101 Exam's Question and Answers from exam.10.201.1.165.1 to connect to a web server at 192. It allows host 192. ip nat inside source list 10 interface FastEthernet0/1 overload ip nat outside source static 209.50 80 209.168.165.exam.com 95 .200.1 8080 extendable A. It allows external clients coming from public IP 209.168. C.1.1.10.

) A.A. B. http://www.com 96 . C. Answer: Get Latest & Actual 300-101 Exam's Question and Answers from exam. C. CLI NetFlow built-in GUI syslog server interface web interface Answer: AB QUESTION 180 Drag and Drop Question Drag and drop the Cisco Express Forwarding adjacency types from the left to the correct type of processing on the right.exam. E. D. B. HSRP VRRP IP SLA multicast Answer: C QUESTION 179 In which two ways can NetFlow data be viewed? (Choose two. D.

QUESTION 181 Drag and Drop Question Drag and drop the BGP states from the left to the matching definitions on the right. Answer: Get Latest & Actual 300-101 Exam's Question and Answers from exam.com 97 .exam. http://www.

com 98 .exam.QUESTION 182 Drag and Drop Question Drag and drop the IPv6 NAT characteristic from the left to the matching IPv6 NAT category on the right. Answer: Get Latest & Actual 300-101 Exam's Question and Answers from exam. http://www.

F. http://www. C.201.16.16.201.25 source-interface FastEthernet 0/0 router(config-ip-sla-echo)#timeout 3 router(config-ip-sla)#icmp-jitter 172. E.QUESTION 183 An engineer is asked to monitor the availability of the next-hop IP address of 172.) A.16.201.16.25 every 3 seconds using an ICMP echo packet via an ICMP echo probe.201.25 interval 100 router(config-ip-sla-echo)#frequency 3 router(config-ip-sla)#udp-echo 172.exam. D. Which two commands accomplish this task? (Choose two. router(config-ip-sla)#icmp-echo 172.com 99 .25 source-port 23 router(config-ip-sla-echo)#threshold 3 Answer: AD Get Latest & Actual 300-101 Exam's Question and Answers from exam. B.

com exam. Oracle.com Any problems about IT certification or our products. Help you to pass any IT Certification exams at the first try. Our Official: http://www. CompTIA. Check Point. you could rely upon us. First Pass. EXIN and so on.com Technical Assistance Center: technology@exam. we will give you satisfactory answers in 24 hours. EMC. LPI. Practice Tests. 100% Pass Guaranteed or Full Refund. Our Slogan: First Test. Citrix.com was founded in 2006. Especially Cisco. Nortel.About exam. Study Guides.com Support: support@exam.exam.com . We provide latest & high quality IT Certification Training Exam Questions. VMware. Lead the way to help you pass any IT Certification exams. Sales: sales@exam. HP. You can reach us at any of the email addresses listed below. Juniper.