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Exam JN0-347 topic 1 question 103 discussion

Actual exam question from Juniper's JN0-347
Question #: 103
Topic #: 1
[All JN0-347 Questions]

Click to the exhibit button. Referring to the exhibit, which configuration change is needed for an IS-IS Level 1 adjacency between R1 and R2?

  • A. Configure the Io0 family ISO address 49.0002.0010.0042.0002.00 on R1.
  • B. Disable Level 2 on R2'sge-0/0/1 interface.
  • C. Configure the Io0 family ISO address 49.0002.0010.0042.0002.00 on R2.
  • D. Enable Level 2 on R1's ge-0/0/1 interface.
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Suggested Answer: C 🗳️
Level 1 adjacencies can be formed between routers that share a common area number. We need to change ISO addresses so that both routers have the same area number. If we change the ISO address on R2 49.0002.0010.0042.0002.00, both routers will have 0002 as area number. Note: Level 2 adjacency can be formed between routers that might or might not share an area number. Reference: http://www.juniper.net/techpubs/en_US/junos16.1/topics/example/isis-multi-level.html
by Clxxcv420 at March 5, 2021, 5:04 p.m.

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Clxxcv420
4 years, 1 month ago
https://www.cisco.com/c/en/us/support/docs/ip/integrated-intermediate-system-to-intermediate-system-is-is/200293-IS-IS-Adjacency-and-Area-Types.html Actually it's the right answer. Adjacency formation if Area ID matches there can be L1 and L1/L2 - at Level 1
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