Get Latest 642-889 Cisco CCNP Service Provider Exam Questions And Answers

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Question: 1

Which type of VPN requires a full mesh of virtual circuits to provide optimal site-to-site connectivity?

A. MPLS Layer 3 VPNs
B. Layer 2 overlay VPNs
C. GET VPNs
D. peer-to-peer VPNs

Answer: B

Question: 2

Which three Layer 3 VPN technologies are based on the overlay model? (Choose three.)

A. ATM virtual circuits
B. Frame Relay virtual circuits
C. GRE/IPsec
D. L2TPv3
E. MPLS Layer 3 VPNs
F. DMVPNs

Answer: C, D, F

Question: 3

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

Question: 4

What is the primary difference between 6PE and 6VPE?

A. 6VPE does not require an MPLS core.
B. 6VPE requires an IPv6-aware core.
C. 6VPE provides IPv6 VPN services.
D. 6VPE tunnels IPv6 packets inside IPv4 packets.

Answer: C

Question: 5

Refer to the Cisco IOS XR router output exhibit,

Which method is being used to transport IPv6 traffic over the service provider network?

A. 6PE
B. 6VPE
C. native IPv6
D. native IPv4
E. dual stack

Answer: B

Question: 6

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

A. basic
B. CSC
C. inter-AS
D. AToM
E. VPLS

Answer: B

Question: 7

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

Answer: A