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Nokia 4A0-105 Exam - Topic 5 Question 19 Discussion

Which of the following are true when ports are configured with the IEEE 802.3ah Loopback Control feature? (Choose 3)
A) The loopback control PDU instructs the remote port to enter loopback mode. and D) Both ports must still send Information PDUs to avoid going back to discovery mode. and F) All packets, except for information PDUs, are looped back.
B) Putting a port in loopback does not affect customer data flow
C) Both ports must rediscover the OAM capabilities of each other once the port is put back into service.
E) When a port is in loopback mode, service mirroring will still work if it is a mirror-source or mirror-destination.

Nokia 4A0-105 Exam - Topic 5 Question 19 Discussion

Actual exam question for Nokia's 4A0-105 exam
Question #: 19
Topic #: 5
[All 4A0-105 Questions]

Which of the following are true when ports are configured with the IEEE 802.3ah Loopback Control feature? (Choose 3)

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Suggested Answer: A, D, F

by Thaddeus at May 05, 2022, 04:06 AM

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Portia
7 months ago
F is spot on, only info PDUs get through.
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Janae
7 months ago
Wait, E? I thought mirroring wouldn't work in loopback mode!
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Carole
7 months ago
C sounds right, rediscovery is needed after loopback.
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Nikita
8 months ago
I think B is misleading, it can affect data flow in some cases.
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Yvette
8 months ago
A is definitely true, that's how loopback works.
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Kelvin
8 months ago
D sounds familiar, but I can't remember if it's really required to keep sending Information PDUs. It might be a trick question!
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Giuseppe
8 months ago
I feel like C is correct too, since rediscovering OAM capabilities seems like a necessary step after exiting loopback mode.
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Tora
8 months ago
I'm not so sure about B. I remember something about loopback affecting data flow, but I can't recall the specifics.
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Percy
8 months ago
I think option A is definitely true because the loopback control PDU is supposed to instruct the remote port to enter loopback mode.
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Yong
8 months ago
This looks like a straightforward estate tax calculation. I'll start by subtracting the marital and charitable deductions from the gross estate to get the taxable estate.
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Tammy
8 months ago
I think I need to calculate the months of expenses first, then see if that aligns with one of the answer choices.
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Delisa
8 months ago
Hmm, this is a tricky one. I'm not sure if Reinforcement Learning is the best fit here, as the problem doesn't seem to involve an agent interacting with an environment. I'm leaning more towards a Regression or Time Series model, but I'll need to think it through a bit more.
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