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Nokia Exam 4A0-105 Topic 6 Question 92 Discussion

Actual exam question for Nokia's 4A0-105 exam
Question #: 92
Topic #: 6
[All 4A0-105 Questions]

How does PBB forward broadcast, unknown-unicast and multicast traffic from a B-VPLS to an l-VPLS?

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Suggested Answer: D

by Leota at Jul 07, 2024, 04:20 AM

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Ona
3 months ago
Wait, is this a trick question? What's an l-VPLS again? I should have paid more attention in class.
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Izetta
2 months ago
B) Don't worry, l-VPLS stands for Layer 2 Virtual Private LAN Service. It's used for connecting multiple sites in a single bridged domain.
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Henriette
2 months ago
A) The receiving PE checks the l-SID in the l-TAG to determine if there is a local l-VPLS on the node.
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Marcos
3 months ago
Option B all the way! Gotta love those l-TAGs and l-SIDs, am I right?
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Douglass
2 months ago
Absolutely, the l-SID in the l-TAG is key for forwarding broadcast, unknown-unicast, and multicast traffic in B-VPLS to l-VPLS.
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Whitney
2 months ago
I agree, it's all about checking the l-SID in the l-TAG to find the local l-VPLS on the node.
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Denny
2 months ago
Option B is definitely the way to go. Those l-TAGs and l-SIDs make it so much easier to determine local l-VPLS.
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Kizzy
3 months ago
I agree with Avery, B seems like the correct answer based on the question.
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Avery
3 months ago
But B makes more sense because it checks the l-SID in the l-TAG.
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Chery
3 months ago
I disagree, I believe the answer is D.
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Avery
4 months ago
I think the answer is B.
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Katlyn
4 months ago
Hmm, I'm not sure. This question is a real brain-teaser. I'll just guess and hope for the best.
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Bettyann
4 months ago
I'm gonna go with option C. Checking the service label in the MPLS header seems like the standard way to determine the local l-VPLS.
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Carlee
3 months ago
I agree, that's the most reliable way to find the local l-VPLS on the node.
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Ludivina
3 months ago
Option C is the best choice. It's all about checking that service label in the MPLS header.
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Kassandra
4 months ago
Option D seems like the most logical choice. Checking the multicast B-DA for a matching l-SID makes the most sense for forwarding traffic to the local l-VPLS.
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Roxane
4 months ago
I think option B is the correct answer. The l-SID in the l-TAG should indicate the local l-VPLS on the receiving PE.
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Lacey
3 months ago
Option B sounds like the right choice then.
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Noah
3 months ago
That makes sense, the l-SID should indicate the local l-VPLS on the receiving PE.
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Dulce
3 months ago
The receiving PE checks the l-SID in the l-TAG to determine if there is a local l-VPLS on the node.
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Hubert
3 months ago
I think option B is the correct answer.
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