300-115.Actualtests.

163 Questions
Number: 300-115
Passing Score: 800
Time Limit: 120 min
File Version: 22.7

Actual Tests
300-115
Implementing Cisco IP Switched Networks
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1. Layer 2 Technologies
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3. Infrastructure Services

B. Prior to Cisco IOS XE Release3.html QUESTION 2 A network engineer wants to add a new switch to an existing switch stack. the switch type. and the interfaces associated with a switch that is not currently part of the stack. it does not appear in . E. When you configure the interfaces associated with a provisioned switch (for example. 4 5 8 9 10 13 Correct Answer: D Section: Layer 2 Technologies Explanation Explanation/Reference: Explanation: Up to 9 Cisco Catalyst switches can be stacked together to build single logical StackWise switch since Cisco IOS XE Release 3.3. The switch that is added to the switch stack and that receives this configuration is called the provisioned switch . C. and the no shutdown interface configuration command does not return it to active service. D. B. Which configuration must be added to the new switch before it can be added to the switch stack? A. and the information appears in the running configuration.0SE.switches/qa_c67722110. The interface associated with the provisioned switch does not appear in the display of the specific feature. F. You can configure in advance the stack member number.3. E. stack ID IP address VLAN information VTP information Correct Answer: A Section: Layer 2 Technologies Explanation Explanation/Reference: Explanation: Switch Stack Offline Configuration You can use the offline configuration feature to provision (to supply a configuration to) a new switch before it joins the switch stack. Reference: http://www. No configuration must be added. up to 4 Cisco Catalyst switches could be stacked together. for example.com/c/en/us/products/collateral/switches/catalyst-3850-series. The interface associated with the provisioned switch is not active. You manually create the provisioned configuration through the switch stack-member-number provision type global configuration command. The provisioned configuration is automatically created when a switch is added to a switch stack and when no provisioned configuration exists. The configuration that you create on the switch stack is called the provisioned configuration . the switch stack accepts the configuration.0SE. D.300-115 QUESTION 1 What is the maximum number of switches that can be stacked using Cisco StackWise? A. as part of a VLAN). operates as if it is administratively shut down.cisco. C.

The startup configuration file ensures that the switch stack can reload and can use the saved information whether or not the provisioned switch is part of the switch stack.switch is in conflict with an visioned switch. You can save the provisioned configuration to the startup configuration file by entering the copy running-config startup-config privileged EXEC command. the stack applies either the provisioned configuration or the default configuration. the switch types match: The provisioned configura1. Effects of Adding a Provisioned Switch to a Switch Stack When you add a provisioned switch to the switch stack. The switch type of the provi.the show vlan user EXEC command output. tion to the provisioned existing stack member. configuration on the stack. The stack member num. Table 5-1 lists the events that occur when the switch stack compares the provisioned configuration with the provisioned switch. switch and adds it to the The stack member numbers and stack.the provisioned switch and ber in the provisioned configuration on the stack. If the new stack member tion is changed to reflect number of the provisioned switch the new information. If the stack member number The switch stack applies bers and the switch types of the provisioned switch the provisioned configura. The provisioned configuration is changed to reflect the new information.The provisioned configura.1. matches the stack member num. but adds it to the stack. Table 5-1 Results of Comparing the Provisioned Configuration with the Provisioned Switch Scenario Result The stack member num.match. the provisioned switch and adds it to the stack. and . matches the stack member num.the provisioned configura. matches the stack member number in the provisioned configuration on the stack. If the stack member number The switch stack applies bers match but the switch of the provisioned switch the default configuration to types do not match. The stack member num.sioned switch does not match the tion is changed to reflect switch type in the provisioned the new information.1. The stack member num.tion to the provisioned ber in the provisioned configura. and stack. 2.The switch stack applies ber is not found in the the default configuration to provisioned configuration.The stack master assigns a new The switch stack applies ber of the provisioned stack member number to the pro. 2. The switch stack retains the provisioned configuration in the running configuration whether or not the provisioned switch is part of the stack.switch and adds it to the tion on the stack. If the switch type of the provisioned switch matches the switch type in the provisioned configuration on the stack.

2. Subsecond timing mechanisms detect traffic problems and immediately institute failover.the new information. If the stack member number of the provisioned switch The provisioned configuramatches the stack member num. 0 25 50 75 100 Correct Answer: C Section: Layer 2 Technologies Explanation Explanation/Reference: Explanation: Physical Sequential Linkage The switches are physically connected sequentially. but 2. Cisco StackWise Technology Resilient Cabling . The switch type of the provisioned switch does not match the switch type in the provisioned configuration on the stack. Reference: http://www.com/c/en/us/td/docs/switches/lan/catalyst3750x_3560x/software/release/12. adds it to the stack. A break in any one of the cables will result in the stack bandwidth being reduced to half of its full capacity. B.tion is changed to reflect ber in the provisioned configura. The stack member num. This mechanism restores dual path flow when the timing mechanisms detect renewed activity on the cable. C.The switch stack applies ber of the provisioned the default configuration to switch is not found in the the provisioned switch and provisioned configuration. tion on the stack. D. Figure 3. 1.cisco. but the switch types do the default configuration to not match: the provisioned switch and adds it to the stack. E. The stack member numbers The switch stack applies match.html QUESTION 3 What percentage of bandwidth is reduced when a stack cable is broken? A. If the switch type of the provisioned switch matches the switch type in the provisioned configuration on the stack. as shown in Figure 3.2_55_se/ configuration/guide/3750xscg/swstack.

switch1 channel-group 1 mode on switch2 channel-group 1 mode auto D.cisco. Which set of configurations will result in all ports on both switches successfully bundling into an EtherChannel? A.com/c/en/us/products/collateral/switches/catalyst-3750-series.html QUESTION 4 Refer to the exhibit. switch1 channel-group 1 mode active switch2 channel-group 1 mode auto B. switch1 channel-group 1 mode desirable switch2 channel-group 1 mode auto Correct Answer: D Section: Layer 2 Technologies Explanation Explanation/Reference: Explanation: The different etherchannel modes are described in the table below: Mode Description .switches/ prod_white_paper09186a00801b096a. switch1 channel-group 1 mode desirable switch2 channel-group 1 mode passive C.Reference: http://www.

Interfaces can form an EtherChannel when they are in different PAgP modes as long as the modes are compatible. Reference: http://www. An interface in the on mode that is added to a port channel is forced to have the same characteristics as the already existing on mode interfaces in the channel. With the on mode. Which three items must be configured to mirror traffic to a packet sniffer that is connected to the distribution switch? (Choose three.) A. A monitor session on the distribution switch with a physical interface as the source and the remote SPAN VLAN as the destination .active Places an interface into an active negotiating state. in which the interface responds to PAgP packets it receives but does not start PAgP packet negoti. For example: ·An interface in the desirable mode can form an EtherChannel with another interface that is in the desirable or auto mode. Both the auto and desirable PAgP modes allow interfaces to negotiate with partner interfaces to determine if they can form an EtherChannel based on criteria such as interface speed and. on Forces the interface into an EtherChannel without PAgP or LACP.ation.com/c/en/us/td/docs/switches/lan/catalyst3550/software/release/12. in which the interface responds to LACP packets that it receives.html QUESTION 5 Refer to the exhibit. in which the interface starts negotiations with other interfaces by sending LACP packets. desirable Places an interface into an active negotiating state.1_13_ea1/ configuration/guide/3550scg/swethchl. A network engineer wants to analyze all incoming and outgoing packets for an interface that is connected to an access switch. in which the interface starts negotiations with other interfaces by sending PAgP packets. This setting minimizes the transmission of LACP packets. for Layer 2 EtherChannels. auto Places an interface into a passive negotiating state. passive Places an interface into a passive negotiating state. but does not start LACP packet negotiation. trunking state and VLAN numbers. This setting minimizes the transmission of PAgP packets. a usable EtherChannel exists only when an interface group in the on mode is connected to another interface group in the on mode.cisco. ·An interface in the auto mode can form an EtherChannel with another interface in the desirable mode. An interface in the auto mode cannot form an EtherChannel with another interface that is also in the auto mode because neither interface starts PAgP negotiation.

RSPAN supports source ports. SPAN copies (or mirrors) traffic received or sent (or both) on source ports or source VLANs to a destination port for analysis. The RSPAN traffic from the source ports or VLANs is copied into the RSPAN VLAN and forwarded over trunk ports carrying the RSPAN VLAN to a destination session monitoring the RSPAN VLAN.cisco. A monitor session on the distribution switch with a remote SPAN VLAN as the source and physical interface as the destination E.2_55_se/ configuration/guide/3750xscg/swspan.com/c/en/us/td/docs/switches/lan/catalyst3750x_3560x/software/release/12.html . source VLANs. enabling remote monitoring of multiple switches across your network. The destination is always a physical port Reference: http://www. A monitor session on the distribution switch with a physical interface as the source and a physical interface as the destination Correct Answer: BCD Section: Layer 2 Technologies Explanation Explanation/Reference: Explanation: You can analyze network traffic passing through ports or VLANs by using SPAN or RSPAN to send a copy of the traffic to another port on the switch or on another switch that has been connected to a network analyzer or other monitoring or security device. The traffic for each RSPAN session is carried over a user-specified RSPAN VLAN that is dedicated for that RSPAN session in all participating switches. A monitor session on the access switch with a physical interface source and the remote SPAN VLAN as the destination D. and destination ports on different switches (or different switch stacks). Each RSPAN source switch must have either ports or VLANs as RSPAN sources. A remote SPAN VLAN on the distribution and access layer switch C. A monitor session on the access switch with a remote SPAN VLAN source and the physical interface as the destination F.B.