Cisco 642-889 Exam Study Guide

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Question No. 1

In Layer 3 MPLS VPN implementations, if some of the VPNv4 routes on one PE router do not appear on another PE router, what could be the problem?

Answer: B

Question No. 2

Refer to the configuration below Which statement about the advertisement of a VPNv4 prefix that is present in the VRF A RIB is true?

vrf definition A

rd 100:1

route-target export 65000:100

route-target import 65000:100

route-target import 65000:200


address-family ipv4route-target export 65000:300

route-target import 65000:300



address-family ipv6

route-target export 65000:500

route-target import 65000:500

route-target import 65000:600



Answer: D

Question No. 3

When implementing EoMPLS on Cisco IOS XR routers, which command under the l2vpn configuration mode is used to define the pseudowire?

Answer: B

Question No. 4

When configuring an EoMPLS PW on a Cisco IOS XR router, what are the two supported transport modes? (Choose two.)

Answer: A, C

*Ethernet Port Mode

*Ethernet Remote Port Shutdown

*VLAN Mode

*Inter-AS Mode

*QinQ Mode

*QinAny Mode

*Mac-in-Mac Protocol (Provide Backbone Bridging)

Question No. 5

Which MP-BGP address family must be configured to use VPLS autodiscovery in a Cisco IOS XR router?

Answer: A

Question No. 6

Which two layer 2 VPN technologies support Frame relay?(choose two)

Answer: A, B

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