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Nokia 4A0-100 Exam - Topic 4 Question 109 Discussion

A 24 port Ethernet switch is configured with VLAN 100 on ports 1 - 8, VLAN 200 on ports 9 - 16 and VLAN 300 on ports 17 - 24. Which of the following describes the behavior of the switch when a broadcast frame is received on port 1?
D) The switch will flood the broadcast frame on all 24 ports.
A) The switch will discard the broadcast frame because there is no specific destination address.
B) The switch will flood the broadcast frame on all ports on which the switch has seen frames from attached devices
C) The switch will flood the broadcast frame on ports 2 to 8.

Nokia 4A0-100 Exam - Topic 4 Question 109 Discussion

Actual exam question for Nokia's 4A0-100 exam
Question #: 109
Topic #: 4
[All 4A0-100 Questions]

A 24 port Ethernet switch is configured with VLAN 100 on ports 1 - 8, VLAN 200 on ports 9 - 16 and VLAN 300 on ports 17 - 24. Which of the following describes the behavior of the switch when a broadcast frame is received on port 1?

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Suggested Answer: D

by Joana at Mar 23, 2025, 06:19 PM

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Hester
9 months ago
Nah, it's not D, that's incorrect.
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Stephaine
9 months ago
I thought it would go to all ports, like option D.
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Delsie
9 months ago
Definitely option C! Makes sense.
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Brock
9 months ago
Wait, why would it only flood on those ports?
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Ruth
9 months ago
The switch floods the frame on ports 2 to 8.
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Shantay
10 months ago
I believe the switch will flood the broadcast frame on ports 2 to 8 since it's in VLAN 100, but I could be mixing it up with how routers handle broadcasts.
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Albert
10 months ago
I'm a bit confused about how switches handle broadcasts. I feel like it might be B, but I can't recall if it floods to all ports or just the VLAN.
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Taryn
10 months ago
I remember practicing a similar question, and I think the correct answer is that it floods only on the ports within the same VLAN, so maybe C?
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Eliz
10 months ago
I think the switch will flood the broadcast frame, but I'm not sure if it's just on the VLAN or all ports.
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Shawnee
11 months ago
I'm a little confused. Wouldn't the switch just discard the broadcast frame since there's no specific destination address? I'm not sure the VLAN configuration is relevant here. I'll have to review my VLAN knowledge before answering this.
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Abel
11 months ago
Okay, I've got this. The question states the switch is configured with 3 different VLANs, so the broadcast frame should only be flooded to the ports in VLAN 100, which are ports 2-8. Answer C is the correct one.
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Sina
11 months ago
Hmm, I'm a bit unsure about this one. I know broadcast frames are supposed to be flooded, but I'm not sure if the switch will only flood within the VLAN or across all VLANs. I'll need to think this through carefully.
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Benton
11 months ago
I think the key here is understanding how VLANs work on a switch. Since the broadcast frame was received on port 1, which is in VLAN 100, the switch should flood it to the other ports in VLAN 100, which are ports 2-8.
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Keith
1 year ago
Haha, classic networking question. You know, I once saw a switch that would just ignore broadcast frames altogether. That would be a real plot twist for this one!
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Emilio
1 year ago
User 3: I've seen switches ignore broadcast frames completely, so you never know!
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Reita
1 year ago
User 2: Yeah, that makes sense. It's like a broadcast storm waiting to happen.
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Elmira
1 year ago
User 1: I think the switch will flood the broadcast frame on all ports where it has seen frames from attached devices.
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Isaiah
1 year ago
Oh, I see what you mean, Nadine. But I'm pretty sure the switch will flood the broadcast frame to all 24 ports, regardless of the VLAN configuration. So I'd go with D.
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Nadine
1 year ago
Hmm, I'm not so sure. If the ports are configured for different VLANs, wouldn't the switch only flood the broadcast frame within the same VLAN? I'm leaning towards C.
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Nickolas
1 year ago
Altha: That makes sense, so the answer is probably C.
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Tammi
1 year ago
User 3: I agree with Tammi, it should be limited to ports within the same VLAN.
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Altha
1 year ago
User 2: I believe it will only flood the broadcast frame on ports 2 to 8.
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Izetta
1 year ago
User 1: I think the switch will flood the broadcast frame on all ports.
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Angella
1 year ago
I think the correct answer is B. The switch will flood the broadcast frame on all ports on which the switch has seen frames from attached devices. That's how Ethernet switches handle broadcast frames.
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Mitzie
1 year ago
That makes sense. It ensures that all devices on the network receive the broadcast frame.
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Nan
1 year ago
I agree with you, option B is the correct answer. The switch floods the broadcast frame to all ports with attached devices.
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Raylene
1 year ago
I'm not sure, but I think the switch will discard the broadcast frame because there is no specific destination address.
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Nelida
1 year ago
I disagree, I believe the switch will only flood the broadcast frame on ports 2 to 8.
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Lauryn
1 year ago
I think the switch will flood the broadcast frame on all ports.
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