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Which function does LDP provide in an MPLS topology?

A.

It enables a MPLS topology to connect multiple VPNs to P routers.

Answers
A.

It enables a MPLS topology to connect multiple VPNs to P routers.

B.

It provides hop-by-hop forwarding in an MPLS topology for LSRs.

Answers
B.

It provides hop-by-hop forwarding in an MPLS topology for LSRs.

C.

It exchanges routes for MPLS VPNs across different VRFs.

Answers
C.

It exchanges routes for MPLS VPNs across different VRFs.

D.

It provides a means for LSRs to exchange IP routes.

Answers
D.

It provides a means for LSRs to exchange IP routes.

Suggested answer: B

Explanation:

LDP provides a standard methodology for hop-by-hop, or dynamic label, distribution in an MPLS network by assigning labels to routes that have been chosen by the underlying Interior Gateway Protocol (IGP) routing protocols. The resulting labeled paths, called label switch paths (LSPs), forward label traffic across an MPLS backbone to particular destinations.Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/mp_ldp/configuration/12-4t/mp-ldp-12-4t-book.pdf

asked 07/10/2024
Harikrishnan Santhanadas
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