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Nokia 4A0-103 Exam - Topic 1 Question 119 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 1 Question 119 Discussion

Actual exam question for Nokia's 4A0-103 exam
Question #: 119
Topic #: 1
[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 Mona at Nov 25, 2025, 06:27 AM

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Bernadine
1 month ago
D sounds right. MBB switching is standard for FRR.
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Stevie
2 months ago
B makes sense. Old paths get torn down after new ones.
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Angelyn
2 months ago
No way A is false. It switches after the timer.
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Dana
2 months ago
I feel like A could be misleading too. Resignal timer?
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Corrinne
2 months ago
Agreed, C seems off. FRR handles it without CSPF.
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Clement
2 months ago
I think option C is false. CSPF isn't needed for FRR.
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Brittani
3 months ago
CSPF isn't always needed, but it helps find better paths.
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Elina
3 months ago
B is true, the old paths get torn down after the new one is set.
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Delfina
3 months ago
Wait, are you sure about that? Sounds off to me.
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Afton
3 months ago
This question is really testing our understanding of FRR protection and LSP behavior. I better review those topics again.
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Bernardo
4 months ago
Option C seems a bit odd. Why would CSPF need to be enabled for this scenario?
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Blondell
4 months ago
Haha, I bet the exam writers are trying to trick us with these tricky options. Time to put on my thinking cap!
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Susy
4 months ago
I think option B is the correct answer, as the old primary path and its detours should be torn down after the new primary path is established.
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Otis
4 months ago
I feel like MBB switching is a term we covered, but I’m not confident if it applies here with the traffic switching to R1-R3-R5-R6.
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Tracey
4 months ago
CSPF being required for a more optimal path seems familiar, but I can't recall if it's mandatory in this scenario.
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Sheridan
5 months ago
I think option B sounds right because it makes sense that the old path would be torn down after establishing a new one.
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Luke
5 months ago
I remember something about the resignal timer, but I'm not sure if it actually switches to R1-R3-R5-R6 after it expires.
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Colette
5 months ago
This is a good opportunity to apply my knowledge of LSP behavior and Alcatel-Lucent routing protocols. I'll stay calm and work through this step-by-step.
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Sol
5 months ago
I think I've got a handle on this. I'll methodically go through each answer choice and evaluate whether it's true or false based on the information provided.
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Meaghan
5 months ago
I'm a bit confused by the options. I'll need to review my notes on CSPF and MBB to determine which one is false in this case.
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Izetta
5 months ago
Totally agree, A is definitely the wrong one here.
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Erick
6 months ago
A) is false, the LSP won't switch to R1-R3-R5-R6.
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Eun
6 months ago
The question seems straightforward, but I'm not sure about the default behavior on the Alcatel-Lucent 7750 SR.
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Penney
6 months ago
Okay, the key seems to be understanding how the LSP is rerouted after the link failure. I'll need to think through the default behavior of the Alcatel-Lucent 7750 SR in this scenario.
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Glen
7 months ago
Hmm, this looks like a tricky one. I'll need to carefully read through the question and exhibit to understand the network topology and FRR protection details.
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Ettie
29 days ago
Let’s break it down step by step. We’ll figure it out!
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Hershel
1 month ago
I’m not sure about that. Could it be option A instead?
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Jamal
1 month ago
This is definitely complex. I think I need to analyze the paths closely.
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Yaeko
6 months ago
I’m leaning towards option C being false. What do you think?
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Louann
6 months ago
I agree! The FRR protection adds another layer to consider.
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