642-889 Exam Dumps Study Guide Online Demo 2

642-889 Guide

642-889 Demo 2

QUESTION NO: 31

Which BGP extended community is used to control the distribution of VPN routing information and to

identify routers that may receive a set of routes that carry the community?

A. SOO

B. RT

C. opaque

D. route origin

E. RD

Answer: B

 

QUESTION NO: 32

In which configuration mode is a route distinguisher configured in a Cisco IOS XR router?

A. config-vrf

B. config-vrf-af

C. config-bgp

D. config-bgp-af

E. config-bgp-vrf

Answer: E

 

QUESTION NO: 33

Refer to the exhibit.

Given the output shown, which two statements are true? (Choose two.)

A. The configured remote AS for neighbor 10.1.1.1 is 1234.

B. Both prefixes that are referenced by network commands will be visible with the show bgp command from

the information that is shown in the output.

C. The neighbor 10.1.1.1 cannot learn any routes from this router.

D. The router cannot learn any routes for neighbor 10.1.1.1.

E. Routes from the Internet VRF that are injected into BGP through redistribution will be advertised to

neighbor 10.1.1.1.

Answer: A,C

 

QUESTION NO: 34

Which Layer 2 VPN technology is implemented over an IP core network without the need for MPLS?

A. VPLS

B. VPWS

C. AToM

D. L2TPv3

Answer: D

 

QUESTION NO: 35

Which two Layer 2 VPN methods support interworking between customer sites with different Layer 2

encapsulation at each end (for example, Frame Relay to Ethernet interworking)? (Choose two.)

A. AToM

B. VPLS

C. GET VPN

D. L2TPv3

Answer: A,D

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