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Q21. Which Layer 2 VPN technology is implemented over an IP core network without the need for MPLS?
Q22. In PE7, how many multiprotocol IBGP routes are learned from PE8 and what is the next-hop IP address? (Choose two.)
Q23. Which CE-to-PE routing protocol implements the down bit as a loop prevention mechanism?
Q24. 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
C. VC IDs
D. pseudowire IDs
E. pseudowire classes
Q25. 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
Q26. In PE7, which three statements are correct regarding the MPLS VPN configurations used to supportthe connectivity between the CE7 and CE8 sites?
A. The RD is 1:1
B. The import and export RTs are 1:1
C. Interface GiO/0/0/0 is associated to the "default" VRF
D. The network that connects PE7to CE7 is redistributed into multiprotocol IBGP
E. The multiprotocol IBGP routes learned have a BGP origin code of"i"
Q27. When implementing a Layer 2 transport subinterface on a Cisco IOS XR router, which encapsulation option is used to match any packets that are not matched by any other service instances?
Q28. When implementing VPLS on Cisco IOS XR routers, the VPLS PW neighbors can be statically defined under which configuration mode?
A. bridge group
D. mpls ldp
Q29. Which flavor of MPLS Layer 3 VPN has MPLS enabled on PE-CE links?
Q30. When implementing Layer 3 MPLS VPNs on Cisco IOS/IOS XE PE routers, which PE-to-CE routing protocol requires a separate routing process to be created for each VRF?
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