Cisco 642-889 Exam Questions

Question 6 of 126

Which flavor of MPLS Layer 3 VPN has MPLS enabled on PE-CE links?

A.

basic

B.

CSC

C.

inter-AS

D.

AToM E.

Suggested Answer: B

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Question 7 of 126

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

A.

address-family l2vpn vpls-vpws

B.

address-family vpnv4 unicast

C.

address-family ipv4 mdt

D.

address-family ipv4 tunnel

E.

address-family vpls vfi

Suggested Answer: A

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Question 8 of 126

In MPLS Layer 3 VPN implementations, what is used on the PE router to isolate potential overlapping routing information between different customers?

A.

route targets

B.

VRFs

C.

VC IDs

D.

pseudowire IDs E.

Suggested Answer: B

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Question 9 of 126

Within the service provider IP/MPLS core network, what must be implemented to enable Layer 3 MPLS VPN services?

A.

IS-IS or OSPF on all the PE and P routers

B.

MP-BGP between the PE routers

C.

RSVP on all the PE and P routers

D.

targeted LDP between the PE routers E.

Suggested Answer: B

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Question 10 of 126

In MPLS Layer 3 VPN implementations, which mechanism is used to control which routes are imported to a VRF?

A.

RT

B.

RD

C.

VC ID

D.

PW ID E.

Suggested Answer: A

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