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Exam JN0-663 topic 1 question 27 discussion

Actual exam question from Juniper's JN0-663
Question #: 27
Topic #: 1
[All JN0-663 Questions]

Which two statements about IS-IS are correct? (Choose two.)

  • A. Level 1 intermediate systems exchange routing information with Level 1 intermediate systems on other IS-IS areas.
  • B. An IS-IS router sets the attached bit in the PDUs it sends to a Level 1 area to indicate that it is a backbone router.
  • C. A Level 1 router can only form adjacencies with other Level 1 routers.
  • D. Level 2 routers can form adjacencies with either Level 1 or Level 2 routers.
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Suggested Answer: BC 🗳️
by Ramy_Halim at Oct. 20, 2021, 12:11 p.m.

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ztw3587t
1 year, 5 months ago
Selected Answer: BC
Just correting, B and C are correct: A Level 1/Level 2 system sets the attached bit in the Level 1 PDUs that it generates into a Level 1 area to indicate that it is a Level 2-attached backbone router and that it can be used to reach prefixes outside the Level 1 area. Only L1/L2 routers can be form adjacency with L1 and L2 routers.
upvoted 2 times
...
ztw3587t
1 year, 6 months ago
Selected Answer: CD
CD ia correct
upvoted 1 times
...
Anniesyed1234
3 years ago
B& C correct
upvoted 1 times
...
Ramy_Halim
3 years, 1 month ago
correct
upvoted 1 times
...

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