Nokia 4A0-115 Exam - Topic 9 Question 11 Discussion

Actual exam question for Nokia's 4A0-115 exam

Question #: 11
Topic #: 9

In the exhibit, the default algorithm is used to elect the designated forwarder (DF) on ESI 1. Which PE is elected as DF for VPLS 10?

APEI

BPE2

CPE3

DPE4

Show Suggested Answer

Suggested Answer: B

PE2 is elected as DF for VPLS 10. The default algorithm uses the lowest IP address of the PEs attached to the same Ethernet segment as the tie-breaker criterion. PE2 has the lowest IP address among PE1, PE2, and PE3.

by Nu at Dec 12, 2023, 02:17 PM

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Lenora

8 months ago

PE1 is definitely not the right choice here.

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Lauran

8 months ago

I thought PE4 had a better chance, interesting!

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Rozella

8 months ago

Wait, are we sure about that? I thought it was PE3.

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Dexter

9 months ago

Totally agree, PE2 makes sense!

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Marshall

9 months ago

PE2 is the default DF for VPLS 10.

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Gerald

9 months ago

I thought the DF was usually the PE with the highest IP address, but I could be mixing it up with another concept.

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Pamella

9 months ago

I feel like PE2 might be the right choice, but I can't recall the exact criteria for the election.

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Davida

9 months ago

I think we practiced a similar question where we had to determine the DF based on the lowest MAC address. I hope that applies here too!

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Anjelica

9 months ago

I remember studying the designated forwarder election process, but I'm not entirely sure how the default algorithm prioritizes the PEs.

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Devorah

9 months ago

Okay, let me think this through step-by-step. I need to consider the factors that the default algorithm uses to determine the DF, such as the PE router's IP address or some other criteria.

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Juan

10 months ago

Hmm, I'm not entirely sure about this one. The exhibit shows some information, but I'm not confident I fully understand how the DF election process works in this context.

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Donette

10 months ago

I've seen this type of question before. The key is to understand how the default algorithm for electing the designated forwarder (DF) works in VPLS.

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Pete

10 months ago

Based on the information provided in the exhibit, I believe the DF will be elected based on the lowest IP address among the PE routers. I'll need to carefully analyze the IP addresses to determine the correct answer.

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Peter

10 months ago

I'm feeling pretty confident about this one. The key is to identify the criteria that are not directly tied to the customer's needs. Option C stands out as the odd one out, as it focuses on customer feedback rather than objective performance measures.

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Luis

10 months ago

I've got a good feeling about this question. The key is to focus on the client's readiness and use strategies like the five A's to guide them through the change process. I'm confident I can nail this one.

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Lawrence

10 months ago

I'm pretty confident about this one. Geth is the reference implementation of the Ethereum protocol, so option A seems correct.

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Marvel

10 months ago

This question looks tricky, but I think I can figure it out. I'll need to carefully examine the statements and think through the order of execution and the constraints.

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