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642-811 : Building Cisco Multilayer Switched Networks (BCMSN)

QUESTION 111 You are a Cisco Certified Engineer. You are configuring a switching solution. What command is valid for displaying a summary of spanning-tree information (fill in the blank): Answer: show spantree summary Explanation: According to Cisco: Use the show spantree summary command to display a summary of spanning-tree information: show spantree summary

QUESTION 112 You are a Cisco Certified Engineer. You are configuring a switching solution. You are requested to enable IP accounting on one of the interfaces. What command should you use (fill in the blank): Answer: ip accounting Explanation:

According to Cisco: To enable IP accounting on an interface, use the ip accounting interface configuration command. To disable IP accounting, use the no form of this command. ip accounting [access-violations] no ip accounting [access-violations]

QUESTION 113 To configure VTP on a switch, you may need to use the following commands: set vtp What is this command for?

A. For enabling VTP pruning.

B. For determining management domain name

C. For selecting VTP version.

D. For verifying configuration.

E. For verifying configuration set. Answer: C

QUESTION 114 You are a Cisco Certified Engineer. You are configuring a switching solution. What command can be used to designate an interface as the management interface for MLSP packets (fill in the blank): Answer: mls rp management-interface Explanation: According to Cisco: To designate an interface as the management interface for MLSP packets, use the mls rp management-interface interface configuration command. Use the no version of the command to remove an interface as the management interface.

QUESTION 115 You are a Cisco Certified Engineer. You are configuring a switching solution. Why would you prefer to select VTP version 2 instead of VTP version 1?

A. to save VLAN configuration memory

B. None of the choices.

C. to reduce broadcast traffic carried on trunk lines.

D. to reduce the amount of configuration necessary.

E. to support token ring VLANs Answer: E Explanation: According to Cisco: Because a VLAN is essentially a broadcast domain, a Token Ring VLAN is slightly more complex than an Ethernet VLAN. In transparent bridging there is only one type of broadcast frame and therefore only one level of broadcast domain, but in source routing there are multiple types of broadcast frames that fall into two categories: Those that are confined to a single ring Those that traverse the bridged domain These two categories of broadcast frames result in a broadcast domain that is hierarchical in nature, as a local ring domain can exist only within a domain of all the inter-connected rings. In a Token Ring VLAN, logical ring domains are formed by defining groups of ports that have the same ring number. The IEEE calls such a port group a Concentrator Relay Function (CRF). On Catalyst switches, such a grouping of Token Ring ports is called a Token Ring CRF (TrCRF). The domain of inter-connected rings is formed using an internal multiport bridge function that the IEEE calls a Bridge Relay Function (BRF). On Catalyst switches, such a grouping of logical rings is called a Token Ring BRF (TrBRF).

QUESTION 116 Which of the following is true concerning setting up VLAN to use with ATM SVC (Choose all that apply)?

A. with the presence of an ARP server, neither the ARP or the connection table needs to be set up

B. when without an ARP server, an ARP table must be generated.

C. with the presence of an ARP server, both the ARP and the connection table needs to be set up

D. both the ARP table and connection table must be generated. Answer: A, B

QUESTION 117 Which of the following commands can you use to configure VLAN and VLAN trunking on a switch (Choose all that apply)?

A. set trunk

B. show trunk

C. clear trunk.

D. set vlan Answer: A, B, C, D

QUESTION 118 You are a Cisco Certified Engineer. You are configuring a switching solution. On a switch that participates in multilayer switching, what command can you use to show the MLS interfaces for a specific VTP domain (fill in the blank): Answer: show mls rp vtp-domain Explanation: According to Cisco: To show MLS interfaces for a specific VTP domain, use the show mls rp vtp-domain EXEC command. show mls rp vtp-domain [domain-name]

QUESTION 119 In order to allow for a particular flow for an MLS shortcut to be created, what condition must be met (choose all that apply)?

A. The same MLS-SE must see only the candidate packets

B. The same MLS-SE must see both the candidate and enabler packets

C. Different MLS-SE must see both the candidate and enabler packets

D. By using the flowpath list you can adjust the degree of similarity of these packets

E. By using the flowmask you can adjust the degree of similarity of these packets Answer: B, E

QUESTION 120 What is the VLAN default value for pruning (Choose all that apply)?

A. VLAN 1-1000 are pruning-eligible

B. VLAN 2-1000 are pruning-eligible

C. VLAN 1 are pruning-eligible D. VLAN 1 are not pruning-eligible Answer: B, D

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