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Q1. When troubleshooting EoMPLS configuration problems, which three parameters must match between the two ends of the pseudowire configurations? (Choose three.)

A. control word usage

B. MTU size

C. pseudowire ID

D. Xconnect group name

E. EFP subinterface number

Answer: A,B,C

Q2. When using the Cisco EVC software infrastructure, a double-tagged frame with a customer VLAN of 10 and a service provider VLAN of 150 will be best matched by which encapsulation configuration?

A. encapsulation dot1q 10 second-dot1q any

B. encapsulation dot1q 10 second-dot1q 150

C. encapsulation dot1q 10 second-dot1q 50-200

D. encapsulation dot1q 10

E. encapsulation dot1q 150

Answer: B

Q3. What is required on a Cisco IOS XR router to assign an interface to a VRF?

A. Assign the VRF to the interface, and then re-enable Cisco Express Forwarding on the interface.

B. Assign the VRF to the interface, and then reset the CE-to-PE routing protocol process.

C. Shut the interface, assign the VRF to the interface, and then no shut the interface.

D. Remove the IP address configuration on the interface, assign the VRF to the interface, and then reconfigure the IP address on the interface.

Answer: D

Q4. When verifying Layer 3 MPLS VPN operations, which Cisco IOS XR show command is best used to verify that the PE router is receiving the routes from the CE router?

A. show route

B. show route vrf vrf-name

C. show bgp vpnv4 vrf vrf-name

D. show bgp vpnv4 unicast ip-prefix

Answer: B

Q5. 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. pseudowire classes

Answer: B

Q6. In PE7, what is the pseudowire ID that connects to the 10.8.1.1 neighbor?

A. 70

B. 80

C. 123

D. 0x840001

E. 0x4000080

Answer: C

Q7. Which option is used as a loop prevention mechanism to support MPLS VPN customers with multihomed sites?

A. BGP down bit

B. sham links

C. AS override

D. SOO extended BGP community

E. allowas-in

Answer: D

Q8. When implementing MPLS Layer 3 VPNs with customers running OSPF as the CE-PE routing protocol, the service provider MPLS backbone looks like what to the CE routers?

A. the backbone (Area 0)

B. an external routing domain

C. a superbackbone that is transparent to the CE OSPF routers

D. a transit area (similar to a transit area for supporting virtual links)

Answer: C

Q9. Which three functions are performed by the PE router in an MPLS Layer 3 VPN? (Choose three.)

A. exchanges routing updates with the CE router

B. translates the CE routing information into VPNv4 routes

C. exchanges VPNv4 routes with other PE routers over MP-BGP

D. imports and exports RTs that are received from the P routers

E. exchanges RDs with the P routers

F. exchanges VPN labels with the CE routers

Answer: A,B,C

Q10. In Cisco IOS and IOS XE Layer 3 MPLS VPN implementations, when redistributing the customer RIP routes into MP-BGP, the RIP metric is copied into which BGP attribute?

A. local preference

B. weight

C. MED

D. extended community

Answer: C