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Nokia 4A0-115 Exam - Topic 10 Question 12 Discussion

Which of the following best describes the operation of a non-designated forwarder (non-DF) in a single-active Ethernet segment?
A) Blocks Tx unicast, allows Rx unicast, blocks Tx BUM, allows Rx BUM
B) Allows Tx unicast, allows Rx unicast, blocks Tx BUM, allows Rx BUM
C) Blocks Tx unicast, blocks Rx unicast, blocks Tx BUM, blocks Rx BUM
D) Allows Tx unicast, blocks Rx unicast, allows Tx BUM, blocks Rx BUM

Nokia 4A0-115 Exam - Topic 10 Question 12 Discussion

Actual exam question for Nokia's 4A0-115 exam
Question #: 12
Topic #: 10
[All 4A0-115 Questions]

Which of the following best describes the operation of a non-designated forwarder (non-DF) in a single-active Ethernet segment?

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Suggested Answer: A

A non-designated forwarder (non-DF) in a single-active Ethernet segment blocks Tx unicast, allows Rx unicast, blocks Tx BUM, and allows Rx BUM. This prevents traffic duplication and ensures that only the DF forwards traffic to and from the CE.


by Felix at Dec 22, 2023, 07:10 PM

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Leonora
8 months ago
Wait, it blocks all Tx? That seems harsh!
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Reita
8 months ago
Definitely A, that's the standard behavior.
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Georgiann
8 months ago
I thought it allowed some unicast too?
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Lenna
8 months ago
Totally agree, it's all about controlling traffic!
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Argelia
9 months ago
Non-DF blocks Tx unicast, right?
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Jaclyn
9 months ago
I thought non-DFs allowed some traffic through, but I can't remember if it was unicast or BUM traffic.
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Nelida
9 months ago
I feel like option A sounds familiar, but I can't recall if it blocks all Tx unicast or just some.
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Estrella
9 months ago
I remember practicing a question similar to this, and I think it was about how non-DFs handle broadcast and multicast traffic.
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Lenna
9 months ago
I think non-designated forwarders block some traffic, but I'm not sure if it's just unicast or all types.
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Osvaldo
9 months ago
This question is testing my knowledge of Ethernet switching, but I think I can figure it out if I take my time and carefully consider each option.
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Ernestine
9 months ago
Okay, I've got a strategy here. I'll focus on understanding the behavior of the non-DF in a single-active Ethernet segment, and then match that to the options provided.
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Theodora
10 months ago
Hmm, I'm a little unsure about the difference between a non-designated forwarder and a regular forwarder. I'll need to review that concept before attempting this.
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Lottie
10 months ago
This one seems a bit tricky, but I think I can work through it. Let me think this through step-by-step.
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Johana
10 months ago
I'm feeling pretty confident about this one. The key is understanding that a non-DF has a specific set of rules for handling unicast and BUM traffic.
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Kattie
10 months ago
Hmm, I'm not totally sure about this one. The options seem pretty similar, so I'll have to think it through carefully. Maybe I can eliminate a couple of the options first.
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Loise
10 months ago
I'm not too familiar with the different ways to access frames in web automation. I'll have to think this through carefully and consider the options presented. Getting the frame handles seems like a good starting point.
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Tula
10 months ago
Hmm, I'm a bit unsure here. The patient is already on cephalexin, so I'm wondering if we should try a different antibiotic class like doxycycline and ceftazidime instead.
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Ahmed
10 months ago
This question is tricky! I think functional flexibility is what they mean, especially since it involves adaptability, right?
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