Nokia 4A0-100 Exam - Topic 3 Question 76 Discussion

Actual exam question for Nokia's 4A0-100 exam

Question #: 76
Topic #: 3

A switch with the MAC FDB shown in the exhibit receives an Ethernet frame with source MAC address 00:00:8c:01:00:0a and destination MAC address ff:ff:ff:ff:ff:ff. On which ports is the frame forwarded?

AOnly on port 1/1/1.

BOn all ports except 1/1/1.

COn all four ports.

DOn none of the ports.

Show Suggested Answer

Suggested Answer: B

by Dean at Oct 20, 2023, 10:25 PM

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Ernestine

3 months ago

All four ports for sure!

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Laurene

3 months ago

Only on port 1/1/1? Nah, that can't be right.

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Brendan

3 months ago

I thought it would go to all ports too, but isn't there a limit?

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Melissa

4 months ago

Definitely on all ports except 1/1/1.

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Kanisha

4 months ago

It's a broadcast frame, so it goes everywhere!

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Colton

4 months ago

I’m confused about this one. I thought broadcasts went to all ports, but does it really exclude the incoming port? I need to double-check my notes.

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Heike

4 months ago

This reminds me of a practice question where we had to identify how switches handle broadcasts. I feel like it could be all ports, but I’m leaning towards B too.

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Franchesca

4 months ago

I'm not entirely sure, but I remember something about how broadcast frames are treated. Maybe it’s option B?

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William

5 months ago

I think the frame is a broadcast since the destination MAC is all Fs, so it should go out on all ports except the one it came in on, right?

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Keshia

5 months ago

This is a good test of my understanding of MAC address forwarding. I'll methodically work through the details and use my knowledge of switch behavior to arrive at the correct answer.

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Timothy

5 months ago

I'm a little confused by the MAC FDB table. I'll need to review my notes on how switches handle broadcast frames and look closely at the information provided in the exhibit.

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Cathrine

5 months ago

Okay, I've got this. The source MAC address is in the FDB, so I just need to check which port that MAC address is associated with. Then I can determine the forwarding ports based on the broadcast destination.

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Glenn

5 months ago

Hmm, I'm a bit unsure about this one. The destination MAC address is a broadcast address, so I'll need to think through how that affects the forwarding decision.

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Kathryn

5 months ago

This looks like a straightforward MAC address forwarding question. I'll need to carefully analyze the MAC FDB table to determine which ports the frame will be forwarded on.

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Tomoko

5 months ago

I've got a good feeling about this one. Implementing an API gateway seems like the most straightforward way to handle the security and formatting requirements across the different systems of engagement.

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Yun

5 months ago

Hmm, this looks like a tricky one. I'll need to carefully read through the options and think about which combination of factors could prevent data entry on the form.

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Francisca

9 months ago

Wait, is this a trick question? I mean, who doesn't know that a broadcast frame needs to go out on all ports? C is the only logical choice, unless the exam writers are trying to make us all look like fools.

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Cristy

8 months ago

User 3: Agreed, it's definitely C.

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Adela

9 months ago

User 2: Yeah, that's what I would go with too. It's basic networking.

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Kimbery

9 months ago

User 1: C) On all four ports.

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Glen

9 months ago

Ah, the old broadcast MAC address dilemma. I bet the exam writers are trying to catch us off guard, but C is definitely the right answer here. Easy peasy!

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Andra

8 months ago

Let's agree to disagree, I believe it's D) On none of the ports.

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Lizbeth

8 months ago

I'm sticking with C) On all four ports, it just makes sense.

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Argelia

8 months ago

No way, it has to be B) On all ports except 1/1/1.

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Jacquelyne

9 months ago

Are you sure about that? I think it's A) Only on port 1/1/1.

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Shalon

9 months ago

This question is a piece of cake. When you see a broadcast MAC address, you know the frame is supposed to be forwarded on all ports. C is the right choice, no doubt about it.

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