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Nokia 4A0-103 Exam - Topic 5 Question 49 Discussion

Click on the exhibit.A fully loose LSP MtoR6" is enabled with FRR protection. All links have the same cost. After the link between R2 and R4 goes down, FRR protection repairs the LSP and traffic traverses on R1-R2-R7-R8-R4-R6. By default, which of the following about this LSP on an Alcatel-Lucent 7750 SR is FALSE?
A) The LSP will switch to R1-R3-R5-R6 after the resignal timer expires.
B) The old primary path and its detours are torn down after the new primary path is established.
C) CSPF must be enabled to find a more optimal path.
D) The traffic is switched to R1-R3-R5-R6 in an MBB fashion.

Nokia 4A0-103 Exam - Topic 5 Question 49 Discussion

Actual exam question for Nokia's 4A0-103 exam
Question #: 49
Topic #: 5
[All 4A0-103 Questions]

Click on the exhibit.

A fully loose LSP MtoR6" is enabled with FRR protection. All links have the same cost. After the link between R2 and R4 goes down, FRR protection repairs the LSP and traffic traverses on R1-R2-R7-R8-R4-R6. By default, which of the following about this LSP on an Alcatel-Lucent 7750 SR is FALSE?

Show Suggested Answer Hide Answer
Suggested Answer: A

by Kimbery at May 08, 2022, 04:16 AM

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Marva
7 months ago
Old paths get torn down after the new ones are set, that's standard.
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Marylou
7 months ago
CSPF needs to be enabled for optimal paths, right?
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Shawnta
7 months ago
Wait, are you sure about that? Sounds off.
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Isidra
8 months ago
Totally agree, that's how it works!
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Timothy
8 months ago
The LSP will switch to R1-R3-R5-R6 after the resignal timer expires.
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Fletcher
8 months ago
I remember reading that MBB switching is a thing, but I'm not clear if it applies to option D in this case. It feels like it could be misleading.
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Floyd
8 months ago
I'm a bit confused about CSPF; I thought it was necessary for finding optimal paths, but I can't recall if it's required in this specific scenario.
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Shelia
8 months ago
I think option A might be true because I remember something about the resignal timer, but I'm not completely sure how it works in this context.
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Melodie
8 months ago
I practiced a similar question where the old primary path was torn down after a new one was established, so I feel like option B is likely correct.
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Asha
8 months ago
I think the key here is understanding the difference between evaluating the controls (process-based) and evaluating the actual performance (measurement-based). Based on that, I'm going to go with B as my final answer.
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