On Alcatel-Lucent 7750 SR OS, routing information between the CE and PE can be exchanged using the following methods.

Answer(s): C

Which of the following statements is TRUE about the VRF?

The VRF is a virtual router on the PE router that contains the customer's routes for the VPRN
Each PE maintains multiple VRFs based on the number of PE peers it connects to.
Each PE has a VRF for each VPRN service provisioned on the router.
All of the above.
Only A and C.
Only A and B

Answer(s): E

Which of the following statements best describes the purpose of an MP-BGP in a VPRN?

Routes from different customers with the same IPv4 address prefix are treated as equivalents by MP-BGP.
Alcatel-Lucent 7750 SR routers support MP-BGP for VPN label signaling in a VPRN service only if LDP is used for LSP signaling.
The multi-protocol nature of MP-BGP allows VPRN routes to be distributed within the provider core network as IPv4 routes.
MP-BGP is an enhanced version of BGP that can carry a service label, a tranpot label, and customer route prefixes.
None of the above statements describe the use of an MP-BGP in a VPRN.
All of the above statements describe the use of an MP-BGP in a VPRN.

Answer(s): E

Click on the exhibit button below.

Is a routing policy required on PE1 to advertise a CE1's system interface to PE2?

Yes. A routing policy is required to advertise routes between PE routers in a VPRN
No. A routing policy is not required; the default behavior on the 7750 SR is to advertise all VPRN routes between PE routers.
A routing policy is required only when BGP is used as the PE-CE routing protocol, as shown in the exhibit.
A CE1 system interface can not be advertised to PE2 since the CE routers are not aware of the VPRN.

Answer(s): B

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