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QUESTION NO: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 NO: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 NO:13

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

QUESTION NO: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 NO: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

QUESTION NO:12

Which Cisco IOS XR BGP configuration command is required to enable MP-BGP to carry IPv6 VPN routes?

A. address-family ipv4 unicast

B. address-family ipv6 unicast

C. address-family vpnv4 unicast

D. address-family vpnv6 unicast

Answer: D

QUESTION NO:9

Within the service provider IP/MPLS core network, what must be implemented to enable Layer 3 MPLS VPN services?

A. IS-IS or OSPF on all the PE and P routers

B. MP-BGP between the PE routers

C. RSVP on all the PE and P routers

D. targeted LDP between the PE routers

E. LDP between the CE and PE routers

Answer: B

QUESTION NO:14 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

QUESTION NO:10 In MPLS Layer 3 VPN implementations, which mechanism is used to control which routes are imported to a VRF?

A. RT

B. RD

C. VC ID

D. PW ID

E. VRF ID

Answer: A

QUESTION NO: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

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