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Nokia 4A0-104 Exam - Topic 4 Question 63 Discussion

Actual exam question for Nokia's 4A0-104 exam
Question #: 63
Topic #: 4
[All 4A0-104 Questions]

Which of the following about VPLS MAC learning is TRUE?

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Suggested Answer: C

by Levi at Oct 23, 2023, 12:41 AM

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Anissa
3 months ago
D seems off. The FDB should store local MACs too, right?
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Fletcher
3 months ago
C is definitely true. Flooding is part of the process.
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Anissa
3 months ago
Wait, really? I thought the FDB was shared across all VPLSes.
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Elke
4 months ago
I disagree, B is misleading. Each VPLS has its own FDB.
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Norah
4 months ago
A is correct! Mesh SDPs do help with MAC learning.
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Eun
4 months ago
Option D seems off to me; I thought the FDB stored MAC addresses for both local and remote sites, not just remote ones.
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Rolland
4 months ago
I recall that mesh SDPs play a role in MAC learning, so option A might be correct, but I need to double-check that.
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Velda
4 months ago
I'm not entirely sure about option B; I remember something about PEs having separate FDBs for different VPLSes, but it could be different.
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Shizue
5 months ago
I think option C sounds familiar because we discussed how broadcast and multicast frames are typically flooded in VPLS.
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Nobuko
5 months ago
Ah, I remember this from the lectures. The correct answer is C - frames received on a SAP that are broadcast, multicast or unknown are flooded. VPLS uses a Flood and Learn mechanism for MAC learning, so that's the key thing to remember here.
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Paola
5 months ago
I'm a bit confused by this question. I know VPLS is a Layer 2 VPN technology, but the details of how MAC learning works are a bit hazy for me. I'll have to review my notes on this before answering.
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Lamar
5 months ago
Okay, let me see. I remember that VPLS uses SDPs to connect sites, and the FDB stores MAC addresses. I think the answer might be A, but I'm not 100% sure.
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Hortencia
5 months ago
Hmm, I'm a bit unsure about this. I know VPLS has something to do with MAC learning, but I'm not sure about the specifics. I'll have to think this through carefully.
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Sabrina
5 months ago
I'm pretty confident about this one. I think the answer is C - frames received on a SAP that are broadcast, multicast or unknown are flooded.
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Alline
5 months ago
This seems like a straightforward data validation requirement. I'd probably go with option B, "required Fields", as that seems like the most direct way to ensure the customer provides either a phone number or email address.
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Frederick
5 months ago
Hmm, integration parameters? I'm not entirely sure what that means. Let me re-read the question and see if I can figure out the right approach.
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Loreta
5 months ago
Ah, I remember learning about SOAP in class. It's a standard for how web services communicate, so I'm confident A is the right answer.
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Dino
5 months ago
Expert judgment makes the most sense to me. The other options don't seem directly relevant to validating the logic models. I'll go with A and move on to the next question.
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