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Juniper Exam JN0-351 Topic 9 Question 19 Discussion

Actual exam question for Juniper's JN0-351 exam
Question #: 19
Topic #: 9
[All JN0-351 Questions]

Which statement is correct about controlling the routes installed by a RIB group?

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Suggested Answer: B, C

Option B is correct.Flooding is a mechanism used in Layer 2 bridging where the switch sends incoming packets to all its ports except for the port where the packet originated1.This is done when the switch doesn't know the destination MAC address or when the packet is a broadcast or multicast1.

Option C is correct.Learning is another mechanism used in Layer 2 bridging where the switch learns the source MAC addresses of incoming packets and associates them with the port on which they were received23.This information is stored in a MAC address table, also known as a bridge table23.

Option A is incorrect.Blocking is a state in Spanning Tree Protocol (STP) used to prevent loops in a network2.It's not a mechanism used in building and maintaining a Layer 2 bridge table2.

Option D is incorrect.Listening is also a state in Spanning Tree Protocol (STP) where the switch listens for BPDUs to make sure no loops occur in the network before transitioning to the learning state2.It's not a mechanism used in building and maintaining a Layer 2 bridge table2.


by Mozell at May 20, 2024, 08:13 PM

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Janey
23 days ago
Haha, this question is a real head-scratcher. Maybe we should just flip a coin and see what happens!
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Heike
28 days ago
Guys, come on, it's obviously option B. Only routes in the last table are installed, right? That's the whole point of a RIB group!
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Irma
1 months ago
I'm going to have to disagree with you both. I believe the correct answer is C - a firewall filter must be configured to install routes in the RIB groups.
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Alyce
17 days ago
A) An import policy is applied to the RIB group.
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Paris
2 months ago
Hmm, I'm not sure about that. I was thinking option D might be the right answer, since an export policy is used to control the routes that are sent out from the RIB group.
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Cristy
21 days ago
User 2: That makes sense, it's used to control the routes that are sent out from the RIB group.
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Luisa
29 days ago
User 1: I think option D is correct, an export policy is applied to the RIB group.
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Kent
2 months ago
Hmm, I see your point. But I still think A) makes more sense because we need to control the routes being imported.
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Coral
2 months ago
I think option A is the correct answer. An import policy is used to control the routes that are installed in the RIB group.
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Shawnda
25 days ago
I think option B is correct. Only routes in the last table are installed in the RIB group.
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Kristeen
27 days ago
I'm not sure, but I think option A makes sense. It's about controlling the routes with an import policy.
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Elly
30 days ago
I think it's actually option D. An export policy is used to control the routes in the RIB group.
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Zona
1 months ago
I agree, option A is correct. An import policy is applied to the RIB group.
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Armanda
2 months ago
I disagree, I believe it's D) An export policy is applied to the RIB group.
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Kent
2 months ago
I think the correct statement is A) An import policy is applied to the RIB group.
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