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1)

What are two characteristics of TCP? (Choose two.)

data transport reliability

best path determination

establishing, maintaining, and terminating virtual circuits

encapsulation of packets in a data frame with source and destination MAC addresses

best-effort datagram delivery

2)

Refer to the exhibit. What type of Layer 2 encapsulation will be used for connection D on the basis of this configuration on a newly installed router:

RtrA(config)# interface serial0/0/0 RtrA(config-if)# ip address 128.107.0.2 255.255.255.252 RtrA(config-if)# no shutdown

Ethernet Frame Relay HDLC PPP

3)

What are three examples of TCP/IP application layer protocols? (Choose three.)

a terminal emulation protocol that supports remote console connections with various network devices a protocol created by IBM that makes it easier for mainframes to connect to remote offices a protocol responsible for transporting electronic mail on TCP/IP networks and the Internet a protocol that controls the rate at which data is sent to another computer a protocol that exchanges network management information between a network device and a management console a protocol that conducts a test of the path through which a packet travels from source to destination .

PDU #4 is a transport layer PDU. PDU #2 is an application layer PDU PDU #3 is a segment.) . Which three statements are true about the PDUs and the encapsulation process? (Choose three. 1. The order in which these PDUs are created during the encapsulation process is 3. The order in which these PDUs are created during the encapsulation process is 2. 3. 4.) PDU #1 is a frame. 5) Which three factors contribute to congestion on an Ethernet LAN? (Choose three. 1. 4.4) Refer to the exhibit. The exhibit shows simplified protocol data units from different OSI model layers. 2.

improper placement of enterprise level servers addition of hosts to a physical segment replacement of hubs with workgroup switches increasing use of bandwidth intensive network applications creation of new collision domains without first adding network hosts migration to full-duplex Ethernet within the LAN .

All ports on switch fl-1 are in the Production VLAN and all ports on switch fl-2 are in the Development VLAN.6) Refer to the exhibit.) one broadcast domain three broadcast domains three collision domains five broadcast domains nine collision domains ten collision domains . How many broadcast domains and how many collision domains are in the network? (Choose two.

what is most likely the problem? FA 0/1 on SW_1 needs to be assigned to VLAN 20. Workstations in VLAN 10 can ping workstations in VLAN 10 that connect to either switch. Interfaces FA0/3 on both switches need to be configured as access ports. Interfaces FA0/1 on SW_1 and SW_2 need to be configured as trunk ports. Based on the output. .7) Refer to the exhibit. VTP is not working properly between SW_1 and SW_2. but workstations in VLAN 20 cannot ping workstations in VLAN 20 on the opposite switch. FA 0/1 on SW_2 needs to be assigned to VLAN 20. VLAN10 and VLAN20 have been created on SW_1 and SW_2 and switch ports have been assigned to the appropriate VLAN.

8) A Catalyst switch must be in which VTP mode in order to delete or add VLANs to a management domain? client server domain transparent designated 9) What creates a loop-free path through a switch network? hold-down timers poison reverse Spanning Tree Protocol Time to Live Split Horizon Protocol Routing Information Protocol .

assuming that port Fa0/4 on both switches is configured to carry traffic for multiple VLANs? (Choose three.) host B host C host D host E host F host G .10) Refer to the exhibit. Which three hosts will receive ARP requests from host A.

Ports listen and learn before going into the forwarding state. 13) Refer to the exhibit. but cannot ping the hosts in the HR VLAN. It takes 15 seconds for a port to go from blocking to forwarding. Hosts in the Sales VLAN can ping all hosts in their own VLAN. Ports must be blocked before they can be placed in the disabled state.11) What is the purpose of the Spanning Tree Protocol (STP)? prevents Layer 2 loops prevents routing loops on a router creates smaller collision domains creates smaller broadcast domains allows Cisco devices to exchange routing table updates 12) Which statement is true regarding states of the IEEE 802. . What are two explanations for this problem? (Choose two.1D Spanning Tree Protocol? Ports are manually configured to be in the forwarding state. All hosts are in one broadcast domain. The management VLAN has not been assigned an IP address. A router is required for communication between VLANs. Two VLANs have been configured on the switch and hosts have been assigned.) All hosts are in one collision domain. The hosts are in separate broadcast domains.

1q RT_1(config)# vlan encapsulation dot1q .14) Refer to the exhibit. Which command needs to be used on router interface Fa 0/1 to complete the VLAN configuration? RT_1(config)# trunk encapsulation dot1q RT_1(config-subif)# encapsulation dot1q 10 RT_1(config-subif)# encapsulation negotiate RT_1(config-subif)# encapsulation 802.

168. Computer A is configured with an IP address of 192.20.5 and cannot ping RT_1. The RT_1 FastEthernet 0/1. What is most likely the problem? SW_1 FastEthernet interface 0/24 is not a trunk port. . The FastEthernet port 0/1 on SW_1 is configured for VLAN 20. The IP address of computer A is incorrect.10 is not configured for VLANs. 16)Refer to the exhibit and the following error message from the SwB switch. The management VLAN does not have an IP address assigned to the same VLAN.15) Refer to the exhibit.

1Q trunking enabled and the SwB port has ISL trunking enabled.1Q . 00:22:43: %SPANTREE-7-BLOCK_PORT_TYPE: Blocking FastEthernet0/1 on VLAN0001. what could cause this error message? The Spanning Tree Protocol has been disabled on one switch. Inconsistent port type. 17) Which industry-wide specification was developed to decrease the time that is needed to move to the forwarding state by switch ports that are operating in a redundantly switched topology? VLSM PVST 802. The SwA port is configured as a trunk port and the SwB port is configured as an access port.1Q trunking port has a speed mismatch on one of the switches.1Q BPDU on non trunk FastEthernet0/1 VLAN1. The Spanning Tree Protocol has been disabled on both switches.00:22:43: %SPANTREE-7-RECV_1Q_NON_TRUNK: Received 802. The IEEE 802. Considering that the link between the two switches is good and the correct type. The SwA port has IEEE 802.

SW4 will get a port blocked. SW3 will become the root bridge. SW2 will get a port blocked. SW4 will become the root bridge.) SW1 will become the root bridge. . Which switch will be elected the root bridge and which switch will place a port in blocking mode? (Choose two.RSTP VTP 18) Refer to the exhibit. SW2 will become the root bridge.

Based on the exhibited configuration and output. why is VLAN 99 missing? because there is a cabling problem on VLAN 99 because VLAN 99 is not a valid management VLAN because VLAN 1 is up and there can only be one management VLAN on the switch because VLAN 99 needs to be entered as a VLAN under an interface before it can become an active interface because the VLAN 99 has not been manually entered into the VLAN database with the vlan 99 command .19) Refer to the exhibit.

. The switch will only be able to forward frames for hosts on the 10. The only VLAN that can be applied to switch ports is VLAN 99.0. The only VLANs that can be applied to switch ports are VLANs 1 and 99.0 network.20) Refer to the exhibit.99. What can be concluded from the output that is shown? The management VLAN is VLAN 99.

168.96.103.168.) 10.0 172.8 192.16. which three addresses would be valid host addresses? (Choose three.14.208 22)Assuming a subnet mask of 255.224.48.32 192.255.100.0 10.78.48/27? a useable host address a broadcast address .14.0.211.160.) 192.21) Four bits have been borrowed to create subnets.134.148 192.78.168.14.14.32.24 192.14.168. Which three addresses are subnet addresses? (Choose three.16 192.78.67.168.14.0 23) What type of IP address is 172.0 10.55.168.0 10.0 172.

500 hosts Network 2 .254.0 255.255.248.255.100 hosts Network 3 .0.0 255.0 255.255.255.192 .128 255.255.) 255.a network address a multicast address a public address 24)A network administrator needs to configure three local networks.0 255.255.255.1000 hosts Which three subnet masks will be needed to fulfill these requirements? (Choose three. The networks have these requirements: Network 1 .255.252.0 255.255.255.

What type of header is shown? IPv4 IPv6 TCP UDP 26) Which address is a valid IPv6 unicast address? FE90::1::FFFF FD80::1::1234 FE80::1:4545:6578:ABC1 FEA0::100::7788:998F FC90::::5678:4251:FFFF .25) Refer to the exhibit.

Which command can be used on router B to prevent RIP from sending these updates? passive-interface fastethernet 0/0 passive-interface serial 0/0/0 access-class 12 out access-class 12 in .27) Refer to the exhibit. Router B should not send routing updates to router A.

What does the router OSPF process use to assign the . An administrator who is connected to the console of the Peanut router is able to ping the Serial0 and Ethernet0 ports of the Popcorn router but unable to ping its Ethernet1 interface.12. The Popcorn router did not include network 192. The clock rate is missing from the configuration of one of the routers. What are two possible causes for this problem? (Choose two.0 in its routing configuration. and one configured loopback interface is operating with OSPF as its routing protocol. The Popcorn router is not forwarding RIP updates. 29) A router with two LAN interfaces.168.28) Refer to the exhibit. The Ethernet1 interface of the Popcorn router is shutdown.) The serial interface of the Popcorn router is shutdown. two WAN interfaces.

router ID? the IP address of the interface that is configured with priority 0 the OSPF area ID that is configured on the interface with the highest IP address the loopback interface IP address the highest IP address on the LAN interfaces the highest IP address that is configured on the WAN interfaces 30) What table does the EIGRP DUAL algorithm use to calculate the best route to each destination router? routing table topology table DUAL table CAM table ARP table .

FastEthernet0/0 O 192.168.200.168. 00:00:17.168.) link-state advertisements (LSA) Spanning Tree Protocol shortest path first tree split horizon hold-down timers 32) What best describes the operation of distance vector routing protocols? They use hop count as their only metric. Which route will appear in the routing table for this network if the router has learned multiple routes? D 192.1.168. 00:00:09.0/24 [110/1012] via 192.0 through static and dynamic routing processes. FastEthernet0/0 S 192.168.1 34) A router needs to be configured to route within OSPF area 0.200. Which two commands are required to . 33) A router has learned about network 192.168.200. 00:00:22.0/24 [120/1] via 192. They send their routing tables to directly connected neighbors.168.1.168. They only send out updates when a new network is added.1.168.200. FastEthernet0/0 R 192.168. They flood the entire network with routing updates.31) What two measures are used to prevent routing loops in networks that use distance vector routing protocols? (Choose two.168.168.168.0/24 [1/0] via 192.0/24 [90/2195456] via 192.168.

168.0.0 255.255 0 RouterA(config-router)# network 192.2.accomplish this? (Choose two.2.168.2.255.0.0 0.0.168.0 0 .0.0 0.255 area 0 RouterA(config-router)# network 192.) RouterA(config)# router ospf 0 RouterA(config)# router ospf 1 RouterA(config-router)# network 192.255.

100. R1 or R2 does not have a loopback interface that is configured yet.35)Refer to the exhibit. when the show ip interface brief command is given. R1 or R2 does not have a network statement for the 172. R1 has not sent a default route down to R2 by using the default-information originate command. When the show ip ospf neighbor command is given from the R1# prompt. . However. no output is shown.16. The ISP has not configured a static route for the ABC Company yet.0 network. all interfaces are showing up and up. What is the most likely problem? R2 has not brought the S0/0/1 interface up yet.

64 0.0. After the connection was made.64 255. Which sequence of commands will configure router A for OSPF? router ospf 0 network 192.168.10.192 router ospf 0 network 192. SW2 displayed the status message as shown in the exhibit.168.168.252 router ospf 1 network 192. What . Two switches have been connected with ports that are configured as trunks.0.168.255.10.168.168.3 area 0 router ospf 1 network 192.255.192 255.10.10.10.168.255.0 router ospf 1 network 192.63 area 0 network 192.168.192 0.192 network 192.10.255.0.36) Refer to the exhibit.0 area 0 37) Refer to the exhibit.0.10.0 network 192.10.

Which layer of the OSI model is the most likely cause of the . A network administrator has configured routers RTA and RTB.will solve this problem? SW1(config)# interface fastethernet 0/1 SW1(config-if)# duplex full SW1(config)# interface fastethernet 0/1 SW1(config-if)# full-duplex SW2(config)# interface fastethernet 0/1 SW2(config-if)# duplex full SW2(config)# interface fastethernet 0/1 SW2(config-if)# full-duplex 38) Refer to the exhibit. but cannot ping from serial interface to serial interface.

0 0.0.0.0 s/0/0/0 .0.problem? application transport network data link physical 39) Refer to the exhibit. Based on the exhibited information. The XYZ Company hosts web pages for small companies.0 s0/0/1 ISP(config)# ip route 0.0.0. what would be an appropriate route for the ISP to configure for the XYZ network? ISP(config)# ip route 0.0.0.0 0.0.

0 s0/0/1 ISP(config)# ip route 192.255.255.250.0 255.11g 802.11b 802.0 255.11a 802.250.255.135.0 255.255.255.255.240 s0/0/1 ISP(config)# ip route 192.250.ISP(config)# ip route 192.4 GHz range and provides speeds up to 54 Mb/s? 802.0 s0/0/0 ISP(config)# ip route 192.11i 802.0 255.135.255.11n .250.248 s0/0/1 40) When is a WLAN a better solution than a LAN? when security is an issue when user mobility is needed when more than one laptop is used in a cubicle when electrical interference from surrounding machinery is an issue 41) Which wireless standard works only in the 2.255.135.135.

The service password-encryption command has not been issued yet. 44) Which two pieces of information are required when creating a standard access control list? (Choose two. They should be placed on the fastest interface available.) destination address and wildcard mask source address and wildcard mask subnet mask and wildcard mask . 43) What guideline is generally followed about the placement of extended access control lists? They should be placed as close as possible to the source of the traffic to be denied. They should be placed as close as possible to the destination of the traffic to be denied.42) Refer to the exhibit. The network administrator encounters the error message that is shown in the exhibit. The password command has not been set for the console port. What is the problem? The enable secret command has not been issued yet. The enable password command has not been issued yet. An initial configuration is being performed on a new router. They should be placed on the destination WAN link.

) most host all any some gt 46)Refer to the exhibit. The list contains the following statements: . A named access list called chemistry_block has been written to prevent users on the Chemistry Network and public Internet from access to the Records Server. All other users within the school should have access to this server.access list number between 100 and 199 access list number between 1 and 99 45) Which two keywords can be used in an access control list to replace a wildcard mask or address and wildcard mask pair? (Choose two.

104.16.0.0.0 0.0.deny 172. The number of usable addresses that is assigned to a company is divided into smaller manageable .255.102.16.0 0.0.104.0.0 Which command sequence will place this list to meet these requirements? Hera(config)# interface fa0/0 Hera(config-if)# ip access-group chemistry_block in Hera(config)# interface s0/0/0 Hera(config-if)# ip access-group chemistry_block out Apollo(config)# interface s0/0/0 Apollo(config-if)# ip access-group chemistry_block out Apollo(config)# interface s0/0/1 Apollo(config-if)# ip access-group chemistry_block in Athena(config)# interface s0/0/1 Athena(config-if)# ip access-group chemistry_block in Athena(config)# interface fa0/0 Athena(config-if)# ip access-group chemistry_block out 47) Which statement describes the process that occurs in Network Address Translation (NAT) overloading? Multiple private IP addresses are mapped to one public IP address.16.255 172.252 0.0 permit 172.0.0.252 0.16.255 172.0.

48) What are three Frame Relay congestion management mechanisms? (Choose three.) BECN DLCI DE FECN LMI Inverse ARP 49) What is the default Layer 2 encapsulation protocol for a synchronous serial interface on a Cisco router? PPP HDLC Frame Relay CHAP IEEE 802. A pool of IP addresses are mapped to one or more MAC addresses.groups.1Q . The router acts as a DHCP server and assigns multiple public IP addresses for each private IP address configured.

11.50)Refer to the exhibit.11.168.168. R3 has the following configuration: R3# show running-config --some output text omitted-interface serial0 bandwidth 128 ip address 192.255.0 encapsulation frame-relay frame-relay map ip 192.2 255. a ping is issued from R3 to R1 but is unsuccessful.255. Based on the output of the debug command shown in the graphic and the router .2 30 broadcast After the command R3# debug frame-relay packet is executed.

The encapsulation frame-relay command is missing the broadcast keyword. 51) Which network device is commonly used to allow multiple VPN connections into a corporate network? ACL IDS firewall concentrator .configuration. what is the problem? No clock rate has been configured on interface s0. An incorrect IP address exists in the map statement. There is an incorrect DLCI number in the map statement.