Huawei Exam H12-721 Topic 7 Question 83 Discussion

Actual exam question for Huawei's H12-721 exam

Question #: 83
Topic #: 7

The traffic limiting policy feature only supports the number of connections initiated by the specified IP or the number of connections received.

ATRUE

BFALSE

Show Suggested Answer

Suggested Answer: C, D

Note: 1. USG A and USG B each start the BFD state machine. The initial state is Down and the BFD packet is Down. For a static BFD session, the value of the Your Discriminator is specified by the user. For the dynamic BFD session, the value of the Your Discriminator is 0. 2. After receiving the BFD packet whose status is Down, the USG B switches to Init. And send a BFD packet with the status of Init. 3. If the local BFD state of USG B is Init, the packets of the received state are Down. 4. The BFD state of USG A is the same as that of USG B. 5. After receiving the BFD packet in the Init state, the local state is switched to Up. 6. The BFD status of USG A changes with USG B. 7. After the state transition of 'DOWN-->INIT' occurs on USG A and USG B, a timeout timer is started. If the BFD packet is in the Init or Up state, the local state is automatically switched back to Down.

by Harrison at Apr 12, 2024, 04:34 PM

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Hyman

12 months ago

I think option D is important to note, as the timeout timer plays a crucial role in the process.

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Carol

12 months ago

That makes sense. Option B also seems plausible, as it allows for re-processing if packets are still Down.

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Loreen

12 months ago

I believe option A is correct. The initial state is Down for both USG A and USG B.

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Hyman

12 months ago

I agree, the state machine transitions can be tricky to understand.

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Carol

1 years ago

I think the process of establishing and tearing down a BFD session is quite complex.

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Teddy

1 years ago

Yes, I think it's important to have these checks in place to ensure the reliability of the BFD session.

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Joanne

1 years ago

I believe that's to ensure that the session is maintained efficiently and promptly if any issues arise.

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Dorian

1 years ago

But what about the timeout timer starting after the state transition from DOWN to INIT?

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Teddy

1 years ago

I agree. The initial state being Down makes sense, as the session has not started yet.

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Joanne

1 years ago

I think the process of establishing and tearing down a BFD session is quite straightforward.

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Albina

1 years ago

Alright, let's tackle this question. I'm sure if we put our heads together, we can come up with the right answer. Or at least, a reasonable guess.

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Lindsey

1 years ago

BFD, the bane of network engineers everywhere. I hope we can all agree that the person who invented this protocol had a twisted sense of humor.

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Valentine

1 years ago

Okay, let's do this. I'm feeling confident about my BFD knowledge, but you never know what curveballs these exams might throw at us.

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Dell

1 years ago

Ah, the age-old BFD conundrum. I remember struggling with this in my last exam. Let's see if we can crack this nut together.

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Billi

1 years ago

If the BFD packet is in Init or Up state during the timeout, the local state will go back to Down automatically.

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Ryan

1 years ago

When USG A and USG B transition from DOWN to INIT, a timeout timer is started.

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Margret

1 years ago

Upon receiving a BFD packet in the init state, USG B switches its local state to Up.

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Cassie

1 years ago

If USG B receives packets with the status Down while in Init, it can re-process and update its local status.

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Billi

1 years ago

Both USG A and USG B start in the Down state with a Your Discriminator value of 0.

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Ryan

1 years ago

Let's start by establishing the BFD session.

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Jackie

1 years ago

Hmm, this is a tricky one. I think I have a good grasp of BFD, but the wording of these options is quite specific. Let's go through them one by one.

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France

1 years ago

This question really tests our understanding of the BFD session establishment and tear-down process. I'm not sure about the correct answer, but I'll try to analyze each option carefully.

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