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Nokia 4A0-116 Exam - Topic 1 Question 3 Discussion

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?
D) It 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.
A) It selects an immediate neighbor.
B) It selects a remote router, reachable through a tunnel defined by a single Node-SID.
C) It selects a remote router, reachable through a tunnel defined by a Node-SID and one or two Adjacency-SIDs.

Nokia 4A0-116 Exam - Topic 1 Question 3 Discussion

Actual exam question for Nokia's 4A0-116 exam
Question #: 3
Topic #: 1
[All 4A0-116 Questions]

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?

Show Suggested Answer Hide 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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Latanya
7 months ago
Nope, it's definitely about the remote routers.
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Mel
7 months ago
I thought it only used remote routers, interesting!
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Oliva
7 months ago
Wait, can it really select an immediate neighbor too?
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Romana
8 months ago
Totally agree, that's how it works!
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Tori
8 months ago
R-LFA picks a remote router with Node-SID and Adjacency-SIDs.
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Doretha
8 months ago
I vaguely remember that it can choose either an immediate neighbor or a remote router, depending on the backup path. That sounds right, doesn't it?
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Raymon
8 months ago
I feel like the answer could be about selecting a remote router with Adjacency-SIDs too, but I can't recall the specifics.
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Amalia
8 months ago
I remember practicing a question similar to this, and I think it had something to do with selecting a remote router through a Node-SID.
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Dorsey
8 months ago
I think R-LFA might select an immediate neighbor, but I'm not entirely sure if that's always the case.
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Sherell
8 months ago
Okay, let me see here. I remember something about Oracle not supporting customized virtual machines, so I'm thinking B or D might be the right answer.
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Gilma
8 months ago
This looks like a straightforward definition question. I'll read through the options carefully and try to identify the one that best matches the given description.
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Scarlet
8 months ago
The key here is to focus on the specific assignment blocks mentioned in the question. I'll carefully go through each option and select the 3 that are correct.
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Ryan
8 months ago
Hmm, I'm a bit unsure about this one. I know MPLS is related to routing, but I'm not super familiar with the specific utilities used to troubleshoot it. I'll have to think this through carefully.
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Deandrea
8 months ago
This seems straightforward. I'm pretty confident that options A and D are the correct actions to take to ensure the Microsoft Teams media traffic is processed by the QoS solution.
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