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Nokia 4A0-106 Exam - Topic 2 Question 83 Discussion

Which of the following about BGP loops in a VPRN environment is TRUE?
A) Traditional BGP loop detection mechanisms are unable to detect a loop in a VPRN scenario.
B) BGP loops are detected in a VPRN when the customer has separate sites using the same BGP autonomous system number.
C) The Nokia 7750 SR rejects routes containing AS_PATH loops by default.
D) When 'remove-private' is configured at a PE, all routes received from the associated CE will have private AS numbers removed.

Nokia 4A0-106 Exam - Topic 2 Question 83 Discussion

Actual exam question for Nokia's 4A0-106 exam
Question #: 83
Topic #: 2
[All 4A0-106 Questions]

Which of the following about BGP loops in a VPRN environment is TRUE?

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Suggested Answer: A

by Irma at Feb 10, 2025, 09:10 PM

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Danilo
9 months ago
D is spot on, 'remove-private' works as described.
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Rusty
9 months ago
C is correct, I've seen it in action.
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Mozelle
10 months ago
Wait, so the Nokia 7750 SR just rejects those routes? That's surprising!
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Quiana
10 months ago
I disagree with A, I think there are ways to detect loops.
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Jerry
10 months ago
A is definitely true, traditional methods struggle in VPRN.
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Carmen
10 months ago
I definitely remember something about 'remove-private' in relation to PE configurations, so option D might be the right choice.
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Sherill
11 months ago
I’m a bit confused about option B; I feel like it relates to how customer sites interact, but I can't recall the specifics.
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Avery
11 months ago
I think option C sounds familiar because I practiced a question about the Nokia 7750 SR rejecting AS_PATH loops.
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Zona
11 months ago
I remember studying BGP loop detection, but I'm not sure if traditional methods apply in a VPRN context.
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Shanda
11 months ago
Alright, let's think this through step-by-step. The question is asking about BGP loops in a VPRN, so I need to consider how the VPRN architecture might impact traditional BGP loop detection. I'll carefully evaluate each option.
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Caprice
11 months ago
I'm a bit confused by the wording of the question. What exactly is a "VPRN scenario"? I'll need to make sure I understand the context before I can confidently select an answer.
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Miesha
11 months ago
Ah, I remember learning about this in class. I think the key is understanding how the customer's BGP AS numbers are handled in a VPRN. I'll focus on that as I work through the options.
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Ronny
11 months ago
Okay, let's see. I know BGP loops can be an issue, but I'm not sure how that applies specifically to a VPRN setup. I'll need to review my notes on VPRN configurations.
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Weldon
11 months ago
Hmm, this looks like a tricky BGP question. I'll need to think carefully about the VPRN environment and how that might impact traditional BGP loop detection.
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King
1 year ago
If I had a nickel for every time I encountered a BGP loop in a VPRN, I'd have enough to buy a fancy new router. Or maybe just a cup of coffee.
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Aaron
1 year ago
I'm just hoping I don't get a question about the 'remove-private' feature on my exam. That sounds like a real brain-teaser!
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Johnetta
1 year ago
Option D is interesting, but it doesn't directly address the question about BGP loops in a VPRN environment. Removing private AS numbers is a different topic.
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Freida
1 year ago
C) The Nokia 7750 SR rejects routes containing AS_PATH loops by default.
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Halina
1 year ago
B) BGP loops are detected in a VPRN when the customer has separate sites using the same BGP autonomous system number.
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Josue
1 year ago
A) Traditional BGP loop detection mechanisms are unable to detect a loop in a VPRN scenario.
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Agustin
1 year ago
I'm not sure about the specifics of Nokia's implementation, but Option C sounds plausible. They probably have safeguards against AS_PATH loops.
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Nell
1 year ago
It's always good to have measures in place to avoid any potential routing issues in a VPRN setup.
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Lavera
1 year ago
I agree, having the Nokia 7750 SR reject routes containing AS_PATH loops by default can help prevent BGP loops.
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Vince
1 year ago
Option C does make sense. It's important to have safeguards against AS_PATH loops in a VPRN environment.
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Novella
1 year ago
If 'remove-private' is configured at a PE, private AS numbers will be removed from routes received from the associated CE.
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Pa
1 year ago
I think traditional BGP loop detection mechanisms might struggle in a VPRN environment.
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Carri
1 year ago
Option C does make sense. It's important to have safeguards against AS_PATH loops.
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Altha
1 year ago
I'm not sure, but I think the answer might be D.
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Franklyn
1 year ago
I disagree, I believe the answer is C.
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Cherry
1 year ago
Option B seems to be the correct answer. BGP loops can occur when a customer has separate sites using the same AS number.
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Roosevelt
1 year ago
Absolutely, proper configuration and monitoring can help avoid issues with BGP loops.
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Melodie
1 year ago
Yes, it's crucial to prevent BGP loops to ensure network stability.
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Paola
1 year ago
It's important to be aware of that possibility when setting up a VPRN environment.
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Haydee
1 year ago
I agree, option B is correct. BGP loops can definitely occur in that scenario.
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Marisha
1 year ago
I think the answer is B.
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