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Q1. 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

Q2. In Layer 3 MPLS VPN implementations, if a customer is using the same AS number at both customer sites and the PE-to-CE routing protocol is BGP, what must be enabled on the PE router?

A. BGP AS override

B. BGP allowas-in

C. BGP SOO extended community

D. BGP AS path prepending

Answer: A

Q3. When implementing VPLS on Cisco IOS XR routers, the customer-facing subinterfaces on the PE routers are assigned to which Cisco EVC component?

A. bridge group

B. bridge domain

C. VFI

D. Layer 2 transport

E. BVI

Answer: B

Q4. Which statement regarding the Cisco IOS BGP configuration exhibit is correct?

A. None of the routers will receive IPv4 BGP routes.

B. Only the 172.16.2.1 and 172.16.3.1 neighbors will receive both VPNv4 routes and IPv4 BGP routes.

C. Only the 172.16.3.1 neighbor will receive both VPNv4 routes and IPv4 BGP routes.

D. All three neighbors (172.16.1.1, 172.16.2.1, and 172.16.3.1) will receive both VPNv4 routes and IPv4 BGP routes.

E. All three neighbors (172.16.1.1, 172.16.2.1, and 172.16.3.1) will receive IPv4 BGP routes.

Answer: C

Q5. In PE7, which interface connects to the CE7 and what is the name of the VRF that interface is

assoicated to? (Choose two.)

A. Gi0/0/0/0

B. Gi0/0/0/1

C. Gi0/0/0/2

D. Customer_1

E. Customer_A

F. Customer_CE7

Answer: B,C

Q6. Which VPN technology uses the Group Domain of Interpretation as the keying protocol and IPsec for encryption that is often deployed over a private MPLS core network?

A. DMVPN

B. GET VPN

C. SSL VPN

D. L2TPv3

Answer: B

Q7. Refer to the partial Cisco IOS XR PE router configuration exhibit for supporting a Layer 3 MPLS VPN customer using BGP as the CE-to-PE routing protocol.

The service provider AS number is 64500, the customer AS number is 64501, and the customer CE router is 10.1.1.1. What is missing in the configuration?

A. The route distinguisher has not been configured under router bgp 64500 vrf Customer_A.

B. The import and export route targets have not been configured under router bgp 64500 vrf Customer_A.

C. The 10.1.1.1 BGP neighbor has not been activated for IPv4 unicast routing.

D. The 10.1.1.1 BGP neighbor has not been activated for the VPNv4 address family.

Answer: A

Q8. When you are using OSPF as the CE-to-PE routing protocol in MPLS VPN implementations, an OSPF route from customerA site 1 in Area 0 will appear as which kind of OSPF route in customerA site 2, also in Area 0?

A. intra-area

B. interarea

C. E1

D. E2

Answer: B

Q9. In PE7, how many multiprotocol IBGP routes are learned from PE8 and what is the next-hop IP address? (Choose two.)

A. 1

B. 2

C. 3

D. 10.8.1.1

E. 172.16.8.1

F. 192.168.108.81

Answer: B,E

Q10. Which two statements about implementing a separate MPLS VPN to provide customers Internet access are correct? (Choose two.)

A. The Internet gateway router will act as a CE router.

B. Customers will use separate interfaces for VPN and Internet access.

C. Customers are assigned to the Internet VPN.

D. Internet routes will be leaked from the PE global routing table to the customer VRF.

Answer: A,C