Nokia Exam 4A0-116 Topic 1 Question 3 Discussion

Actual exam question for Nokia's 4A0-116 exam

Question #: 3
Topic #: 1

For any of the LFA methods to work properly, there must be a router in the backup path that will forward traffic addressed to the destination without sending it back to the source. Which of the following statements describes the way R-LFA selects such a router?

AIt selects an immediate neighbor.

BIt selects a remote router, reachable through a tunnel defined by a single Node-SID.

CIt selects a remote router, reachable through a tunnel defined by a Node-SID and one or two Adjacency-SIDs.

DIt can select an immediate neighbor or a remote router, as long as the backup path coincides with the path that will become active after IGP reconvergence.

Show Suggested Answer

Suggested Answer: D

R-LFA (Remote Loop-Free Alternate) is a method that can select either an immediate neighbor or a remote router to be used as a backup next hop, as long as the backup path coincides with the path that will become active after IGP reconvergence.

by Paz at Feb 04, 2023, 08:50 PM

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