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Juniper JN0-664 Exam - Topic 3 Question 57 Discussion

Which statement is true regarding BGP FlowSpec?
C) It is used to protect a network from denial-of-service attacks dynamically
A) It uses a remote triggered black hole to protect a network from a denial-of-service attack.
B) It uses dynamically created routing policies to protect a network from denial-of-service attacks
D) It verifies that the source IP of the incoming packet has a resolvable route in the routing table

Juniper JN0-664 Exam - Topic 3 Question 57 Discussion

Actual exam question for Juniper's JN0-664 exam
Question #: 57
Topic #: 3
[All JN0-664 Questions]

Which statement is true regarding BGP FlowSpec?

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Suggested Answer: C

by Rima at Jan 05, 2026, 05:16 AM

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Sommer
2 months ago
D is too specific, doesn’t really fit the question.
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Francoise
2 months ago
C makes sense, it’s all about dynamic protection.
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Michal
3 months ago
A sounds good too, but it’s more about black hole routing.
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Lorean
3 months ago
I think B is the best choice. Dynamic policies are key.
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Filiberto
3 months ago
D is misleading, it’s not just about verifying source IPs.
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Jerry
3 months ago
C is correct, it protects dynamically from DDoS.
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Trina
3 months ago
Wait, does FlowSpec really do all that? Sounds too good to be true.
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Stevie
3 months ago
I thought it was A, remote triggered black hole sounds right.
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Sue
4 months ago
B is definitely true, it creates dynamic policies.
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Kiera
4 months ago
Wait, there's a way to protect against DoS attacks? I thought we just had to pray and hope for the best!
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Anisha
4 months ago
D) It verifies that the source IP of the incoming packet has a resolvable route in the routing table. Seems legit.
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Antione
5 months ago
A) It uses a remote triggered black hole to protect a network from a denial-of-service attack. That's the way to go!
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Corrie
5 months ago
C) It is used to protect a network from denial-of-service attacks dynamically.
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Nan
5 months ago
B) It uses dynamically created routing policies to protect a network from denial-of-service attacks.
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Paz
5 months ago
I vaguely recall that FlowSpec verifies source IPs, which makes me think option D could be relevant, but I'm not confident about that.
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Chanel
5 months ago
I feel like option C sounds right since it mentions protecting against DDoS attacks dynamically, but I need to double-check my notes.
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Brynn
5 months ago
I'm not entirely sure, but I remember something about remote triggered black holes in relation to BGP. Could that be option A?
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Tiera
6 months ago
I think BGP FlowSpec is about dynamically created routing policies, so I might lean towards option B.
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Annamaria
6 months ago
I'm a bit confused on the differences between the answer choices. I know BGP FlowSpec is related to DoS protection, but I'm not sure which specific statement is true. I'll have to carefully consider each option.
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Christa
6 months ago
Ah yes, I remember this topic. BGP FlowSpec is all about using dynamic routing policies to defend against denial-of-service attacks. I'm pretty confident that B is the correct answer here.
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Rodolfo
6 months ago
Okay, let me see. I remember learning that BGP FlowSpec is used to mitigate DoS attacks, but I can't recall the exact details. I'll have to make an educated guess on this one.
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Alease
6 months ago
Hmm, I'm not totally sure about this one. I'll have to think it through carefully. Maybe I should review the BGP FlowSpec material again before answering.
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Merlyn
7 months ago
I think I know this one - it's B, right? BGP FlowSpec uses dynamically created routing policies to protect against DoS attacks.
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Mose
11 days ago
Definitely B! It’s crucial for DoS protection.
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Jamey
16 days ago
Yeah, BGP FlowSpec is all about dynamic policies.
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Tayna
2 months ago
I agree, B sounds right!
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