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Juniper Exam JN0-351 Topic 7 Question 21 Discussion

Actual exam question for Juniper's JN0-351 exam
Question #: 21
Topic #: 7
[All JN0-351 Questions]

Exhibit

Referring to the exhibit, which two configuration changes must you apply for packets to reach from R1 to R3 using IS-IS? (Choose two.)

Show Suggested Answer Hide Answer
Suggested Answer: B, D

The two reasons for the failure to form an adjacency in a network running IS-IS could be:

B) There is no configured ISO address on any IS-IS interface.IS-IS requires each router interface to have an ISO address configured.Without this address, the routers cannot form an adjacency1.

D) The family iso configuration is missing from the adjacency interface.The 'family iso' configuration is essential for IS-IS to function correctly.If this configuration is missing from the adjacency interface, it could prevent the formation of an adjacency1.

These explanations are based on the Enterprise Routing and Switching Specialist (JNCIS-ENT) documents and learning resources available at Juniper Networks23.


by Freeman at Jun 23, 2024, 10:51 AM

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Beula
2 months ago
I wonder if the packets could just take a shortcut and parachute their way from R1 to R3. That would be a lot easier than all this configuration stuff.
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Maryrose
23 days ago
User3: User Comment: I wonder if the packets could just take a shortcut and parachute their way from R1 to R3. That would be a lot easier than all this configuration stuff.
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Emerson
29 days ago
User2: B) On R3 disable Level 2 on the ge-0/0/4 interface.
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Jill
2 months ago
User1: A) On R1, enable Level 1 on the ge-0/0/1 interface.
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Josue
2 months ago
This question is making my head spin. I should probably just ask the proctor for the answer and call it a day. *sigh*
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Carman
1 months ago
I agree, those seem like the correct configuration changes.
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Lino
1 months ago
I think the answer is A and D.
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Bernardine
1 months ago
Don't give up! Let's try to figure it out together.
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Gary
3 months ago
Aha! I bet the answers are C and D. Disabling Level 2 on R1 and enabling Level 1 on R3. Let's do this!
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Rosenda
2 months ago
Iluminada: Oh, you might be right. Let's give it a try!
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Iluminada
2 months ago
User 2: No, I believe it's C and D. Disabling Level 2 on R1 and enabling Level 1 on R3.
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Deeanna
2 months ago
User 1: I think the answer is A and D. Enabling Level 1 on R1 and Level 1 on R3.
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Aaron
3 months ago
Wait, don't we need to disable Level 2 as well? I'm pretty sure that's the key to this puzzle.
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Kathrine
1 months ago
User 4: No, we only need to enable Level 1 on both interfaces. That should allow packets to reach from R1 to R3 using IS-IS.
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Maddie
2 months ago
User 3: Wait, don't we need to disable Level 2 on the ge-0/0/1 interface on R1 as well?
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Malinda
2 months ago
User 2: Yes, that's correct. We also need to enable Level 1 on the ge-0/0/4 interface on R3.
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Mauricio
2 months ago
User 1: I think we need to enable Level 1 on the ge-0/0/1 interface on R1.
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Viola
3 months ago
Hmm, this is a tricky one. I'm guessing I need to enable Level 1 on both R1 and R3 to get those packets flowing.
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Claudio
2 months ago
D) On R3 enable Level 1 on the ge-0/0/4 interface
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Noemi
2 months ago
A) On R1, enable Level 1 on the ge-0/0/1 interface.
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Nickole
3 months ago
I believe we also need to enable Level 1 on the ge-0/0/4 interface on R3 for packets to reach from R1 to R3.
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Roselle
4 months ago
I agree with Merlyn. That seems like a necessary configuration change.
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Merlyn
4 months ago
I think we need to enable Level 1 on the ge-0/0/1 interface on R1.
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