642-889 Sample Question : 12

Question : 12

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

642-889 Sample Question : 11

Question : 11

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

642-889 Sample Question : 10

Question : 10

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

642-889 Sample Question : 9

Question : 9

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

642-889 Sample Question : 8

Question : 8

When implementing VPLS on Cisco routers, which data structure resembles a virtual switch and is used for learning the MAC addresses?

A. VRF
B. VFI
C. SVI
D. BVI

Answer: B

642-889 Sample Question : 7

 Question : 7

In hierarchical VPLS implementations, which two access architectures can be used between the UPE and NPE? (Choose two.)

A. EoMPLS
B. MP-BGP
C. Frame Relay
D. 802.1ad

Answer: A,D

642-889 Sample Question : 6

Question : 6

Which two Layer 2 VPN methods support interworking between customer sites with different Layer 2 encapsulation at each end (for example, Frame Relay to Ethernet interworking)? (Choose two.)

A. AToM
B. VPLS
C. GET VPN
D. L2TPv3

Answer: A,D

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642-889 Sample Question : 5

Question : 5

In which Cisco IOS XR configuration mode is the redistribute static command applied to enable the redistribution of static VRF routes between the PE routers?

A. RP/0/RP0/CPU0:PE(config-router)#
B. RP/0/RP0/CPU0:PE(config-bgp)#
C. RP/0/RP0/CPU0:PE(config-bgp-vrf)#
D. RP/0/RP0/CPU0:PE(config-bgp-vrf-af)#

Answer: D

642-889 Sample Question : 4

Question : 4

With Layer 3 MPLS VPN implementations on Cisco IOS XR PE routers, an interface is assigned to a VRF using the vrf command in which configuration mode?

A. RP/0/RP0/CPU0:PE(config-vrf)#
B. RP/0/RP0/CPU0:PE(config-if)#
C. RP/0/RP0/CPU0:PE(config-bgp)#
D. RP/0/RP0/CPU0:PE(config-bgp-af)#

Answer: B

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