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Nokia 4A0-116 Exam - Topic 13 Question 43 Discussion

Which of the following is an advantage of enabling label stack reduction for a CSPF-calculated path, as compared to using plain CSPF?
C) There is a larger list of traffic-engineering constraint types that can be imposed on the LSP path.
A) The number of hops included in the end-to-end path is reduced.
B) The path calculation can be delegated to an external path computation element (PCE).
D) The routers in the calculated path can take advantage of ECMP to better distribute the traffic load.

Nokia 4A0-116 Exam - Topic 13 Question 43 Discussion

Actual exam question for Nokia's 4A0-116 exam
Question #: 43
Topic #: 13
[All 4A0-116 Questions]

Which of the following is an advantage of enabling label stack reduction for a CSPF-calculated path, as compared to using plain CSPF?

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Suggested Answer: C

by Earleen at Oct 23, 2024, 07:27 PM

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Hyun
9 months ago
More traffic-engineering options sound great too!
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Daren
9 months ago
I think delegating to a PCE is a bigger advantage.
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Tammy
10 months ago
Wait, is it really that effective?
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Rosendo
10 months ago
Totally agree, less hops means better performance!
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Magnolia
10 months ago
I heard label stack reduction can cut down on hops.
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Gail
10 months ago
I thought ECMP was more about load balancing, so I'm not sure how it ties into label stack reduction for CSPF paths.
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Karl
11 months ago
I feel like the larger list of traffic-engineering constraints could be a benefit, but it seems more related to CSPF in general rather than just label stack reduction.
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Nobuko
11 months ago
I remember practicing a question about CSPF and PCE, but I can't recall if delegating path calculation was specifically an advantage of label stack reduction.
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Elinore
11 months ago
I think enabling label stack reduction might help reduce the number of hops, but I'm not entirely sure if that's the main advantage.
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Sarina
11 months ago
Based on my understanding, the advantage of label stack reduction is that it allows the path calculation to be delegated to an external PCE. This can be useful in large networks where the routers may not have the resources to perform the full CSPF calculation themselves. I think that's the best answer here.
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Ruth
11 months ago
Hmm, I'm a bit confused on this one. I know CSPF is about constraint-based routing, but I'm not sure how label stack reduction fits into that. I'll have to re-read the material on MPLS and traffic engineering to refresh my memory.
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Stefania
11 months ago
Okay, let me think this through. The key advantage of enabling label stack reduction is that it can reduce the number of hops in the end-to-end path, right? I'm pretty confident that's the right answer here.
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Janey
11 months ago
This question seems straightforward, but I want to make sure I understand the key differences between CSPF and CSPF with label stack reduction. I'll need to review my notes on the advantages of each approach.
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Adaline
1 year ago
Option C seems like the right choice to me. More traffic-engineering constraints is definitely an advantage for CSPF-calculated paths.
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Eloisa
1 year ago
Haha, I bet the correct answer is actually D. ECMP load balancing is always the best answer, no matter the question!
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Pa
1 year ago
True, but D is still the best option in my opinion. ECMP is a game-changer.
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Aliza
1 year ago
But A is also a valid advantage. Reducing the number of hops can improve performance.
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Adell
1 year ago
I think D is a good choice too. ECMP is very efficient.
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Arminda
1 year ago
I'm going with option B. Delegating the path calculation to an external PCE is a great advantage, as it can offload the processing from the routers.
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Linsey
1 year ago
It's a smart move to let an external element handle the path calculation.
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Louis
1 year ago
I agree, delegating path calculation can be very beneficial.
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Cherri
1 year ago
Option B is a good choice. It can definitely help offload processing.
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Cheryl
1 year ago
I think option A is the correct answer. Enabling label stack reduction can help reduce the number of hops in the path, which is an advantage over plain CSPF.
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Rosina
1 year ago
That's true, reducing the number of hops can improve network efficiency and reduce latency.
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Long
1 year ago
I agree, option A is the correct answer. Label stack reduction can definitely reduce the number of hops in the path.
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Toi
1 year ago
But what about the option B, delegating path calculation to an external PCE? That could also be beneficial.
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Talia
1 year ago
I agree with Elvera, having fewer hops can improve network efficiency.
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Elvera
1 year ago
I think enabling label stack reduction can reduce the number of hops in the path.
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