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Which of the following about inter-AS model C VPRNs is FALSE?

A.

Within each AS, the ASBR advertises the system addresses of remote PE routers as labeled IPv4 routes.

B.

PE routers in different ASs exchange VPRN routing information directly over MP-eBGP.

C.

Within each AS, MP-iBGP sessions are established to exchange VPN-IPv4 prefixes between the PE routers.

D.

ASBRs exchange the system addresses of PE routers as VPN-IPv4 routes over MP-eBGP.

Which of the following statements is true regarding the Route Distinguisher? (Choose three)

A.

It is an 8 byte value containing 3 fields

B.

The Route Distinguisher must have the same value as the Route Target.

C.

The Administrator field contains either an AS number or an IP number

D.

To ensure uniqueness, Route Distinguishers are assigned by the IANA.

E.

The Route Distinguisher is not used if the customer addresses do not overlap

F.

The Assigned Number field must contain a public IP address

For a Carrier Supporting Carrier (CSC) VPRN where the customer carrier is a BGP/MPLS VPN Service Provider (SP), which of the following is FALSE?

A.

The customer carrier network can be a pure IP network.

B.

The customer carrier provides Layer 2 and Layer 3 services to its end-customers.

C.

A single CSC VPRN is configured on the network provider to support all services offered by the customer carrier.

D.

In the case where the customer carrier offers VPRN services, the model is referred to as hierarchical VPRN.

Which command should be used on an Nokia 7750 SR acting as the PE, to view the table containing the BGP routes received from the remote sites?

A.

Show router bgp routes

B.

Show router bgp routes address-family vpn-ipv4

C.

Show router bgp routes

D.

Show router bgp routes

You are configuring a VPLS spoke termination to a VPRN on an Nokia 7750 SR. If LDP is used for all transport tunnels, what type of sessions are established by the VPRN PE router that is configured with the spoke termination?

A.

T-LDP and LDP sessions with the other VPRN PE routers and the VPLS PE router

B.

T-LDP sessions with the other VPRN PE routers and the VPLS PE router

C.

LDP sessions with the other VPRN PE routers and the VPLS PE router

D.

LDP sessions with the other VPRN PE routers, and both T-LDP and LDP sessions with the VPLS PE router

E.

T-LDP and LDP sessions with the other VPRN PE routers and LDP sessions with the VPLS PE router

Choose the answer that best completes the following sentence. The CE device is typically configured with _________________.

A.

A single routing protocol for exchanging routes with both the internal customer routers and with the PE

B.

MP-BGP to exchange routes with the PE.

C.

MPLS and a routing protocol for the exchange of labels and routes with the PE

D.

MPLS for exchanging labels with other CE devices

E.

A routing protocol for exchanging routes with the internal customer routers and a routing protocol for exchanging routes with the PE

Which of the following about inter-AS model AVPRN is TRUE?

A.

It is the most scalable of the Inter-AS models.

B.

VRF configuration is not required on the ASBRs.

C.

Most routers that support VPRN functionality do not support model A by default.

D.

It is not necessary to run MPLS at the boundary between autonomous systems.

Click the exhibit.

A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is an Internet Service Provider (ISP). Which route is NOT present in PE1's global routing table?

A.

192.60.100.0

B.

10.10.10.6

C.

10.10.10.3

D.

192.50.1.1

Click the exhibit.

Based on the VPRN aggregate route configuration, which routes are advertised to CE2?

A.

172.12.10.0/24, 172.12.20.0/24 and 172.0.0.0/16

B.

172.12.0.0/16 only

C.

172.12.10.0/24 and 172.12.20.0/24

D.

172.0.0.0/16 only

Click the exhibit.

For the inter-AS model A VPRN. BGP is used as the PE-CE routing protocol. Which of the following statements about the control plane operation is TRUE?

A.

PE1 sends an IPv4 update for prefix 192.168.1.0/27 via MP-BGP to ASBR1.

B.

ASBR1 sends an IPv4 update for prefix 192.168.1.0/27 to ASBR2.

C.

ASBR1 transforms an IPv4 update for prefix 192.168.1.0/27 to a VPN-IPv4 route; allocates VPN label V1 and sends the update to ASBR2.

D.

ASBR2 accepts a VPN-IPv4 update from ASBR1, then sends the update to PE2 via MP-BGP.