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Exam JN0-361 All Questions

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Exam JN0-361 topic 1 question 20 discussion

Actual exam question from Juniper's JN0-361
Question #: 20
Topic #: 1
[All JN0-361 Questions]

Click the exhibit.


Referring to the exhibit, which configuration must be set on R2 to from a Level 1 IS-IS adjacency with R1?

  • A. Set interfaces lo0 unit 0 family iso address 49.0001.3415.0010.0250.0000.0046.00
  • B. Set interfaces lo0 unit 0 family iso address 49.0002.3414.0010.0250.0000.0046.00
  • C. Set interfaces lo0 unit 0 family iso address 49.0002.3415.0010.0250.0000.0046.00
  • D. Set interfaces lo0 unit 0 family iso address 49.0001.3414.0010.0250.0000.0046.00
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Suggested Answer: A 🗳️

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NC9337
Highly Voted 5 years, 8 months ago
The should be answer D. 49 = AFI 001.3414.0010 = Area ID 0250.0000.0046 = System ID must be unique in every router. 00 = N Selector https://www.juniper.net/documentation/en_US/junos/topics/concept/is-is-routing-overview.html
upvoted 14 times
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DIbyam
Most Recent 3 years, 9 months ago
D. Set interfaces lo0 unit 0 family iso address 49.0001.3414.0010.0250.0000.0046.00 is the correct answer.
upvoted 2 times
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vanvoust
4 years, 5 months ago
The first portion of the address is the area number, which is a variable number from 1 through 13 bytes. The first byte of the area number (49) is the authority and format indicator (AFI). The next bytes are the assigned domain (area) identifier, which can be from 0 through 12 bytes. In the examples above, the area identifier is 0001.
upvoted 2 times
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MA
5 years, 8 months ago
A is correct for level 1 adjacencies, area id must be the same. Area id is 49.0001
upvoted 4 times
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