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Nokia 4A0-115 Exam - Topic 1 Question 50 Discussion

Based upon the exhibit,which of the following statements about the forwarding of BUM traffic is FALSE?
B) PE3 adds an ESI label to packets forwarded to PEI because PEI is connected to the same Ethernet segment.
D) PE2 decapsulates the packets received from PE3 and forwards the frames to CE2.
C) PEI forwards the traffic received from PE3 to CEI, and CEI discards it based upon the ESI label.
A) PE3 replicates the traffic and sends it to all PES in its VPLS I flooding list.

Nokia 4A0-115 Exam - Topic 1 Question 50 Discussion

Actual exam question for Nokia's 4A0-115 exam
Question #: 50
Topic #: 1
[All 4A0-115 Questions]

Based upon the exhibit,

which of the following statements about the forwarding of BUM traffic is FALSE?

Show Suggested Answer Hide Answer
Suggested Answer: B

PE3 does not add an ESI label to packets forwarded to PE1 because PE1 is connected to the same Ethernet segment.PE3 adds an ESI label only to packets forwarded to PEs that are not connected to the same Ethernet segment, such as PE21.

Verified Reference:Ethernet Virtual Private Networks (EVPNs)


by Tresa at Jan 28, 2026, 07:59 PM

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Paz
24 days ago
This question is tricky! I think BUM traffic can be confusing.
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Sabine
29 days ago
Totally agree, it’s always sent to all ports!
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Nohemi
1 month ago
Wait, are we sure about that? Sounds a bit off.
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Sue
1 month ago
Definitely not true that it’s sent only to specific ports.
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Stephaine
1 month ago
I think it gets flooded to all ports, right?
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Willow
2 months ago
BUM traffic is broadcast unknown multicast traffic.
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Roselle
2 months ago
Haha, this question is a real brain-teaser! I'm going with option A just for fun.
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Lamar
2 months ago
Hmm, I think the answer is C. The question is a bit tricky though.
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Solange
2 months ago
I'm pretty sure the correct answer is D. The exhibit shows it clearly.
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Laurena
2 months ago
The answer is clearly B. That's just common sense.
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Jose
3 months ago
I think we had a question about BUM traffic in our last mock exam, but I’m confused about the exact definitions we used.
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Thomasena
3 months ago
I feel like the false statement could be about how BUM traffic is treated differently than unicast, but I can't recall the specifics.
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Corrina
3 months ago
This question seems similar to one we practiced about multicast forwarding. I think it might be related to how switches handle BUM traffic.
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Mirta
4 months ago
I remember we discussed BUM traffic in class, but I’m not entirely sure which statement might be false.
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Cecil
4 months ago
I think I see what they're getting at. Let me double-check my understanding of BUM traffic forwarding and see if I can spot the inaccurate statement.
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Jovita
4 months ago
I'm a bit lost on this one. The exhibit doesn't seem to give me enough information to confidently identify the false statement. Might need to guess on this one.
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Edna
4 months ago
Okay, I've got a strategy - I'll go through each statement and check it against the information in the exhibit. Gotta be methodical here.
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Ilda
4 months ago
The exhibit shows some network topology, but I'm not sure how to use that to determine which statement is false. Might need to review my notes on BUM traffic forwarding.
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Delpha
4 months ago
Hmm, this looks like a tricky one. I'll need to carefully analyze the exhibit and think through the different forwarding options.
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