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Exam 4A0-101 topic 3 question 26 discussion

Actual exam question from Alcatel-Lucent's 4A0-101
Question #: 26
Topic #: 3
[All 4A0-101 Questions]

In IS-IS database synchronization, each router compares each LSP described in the received CSNPs with the LSPs in its own database. Which of the following actions is taken if the database contains a newer copy of the LSP?

  • A. The router sends a copy of the LSP from its database to its neighbor
  • B. The router sends a PSNP to its neighbor describing the LSP in its database.
  • C. The router updates its database with the LSP and floods a copy to its other neighbors.
  • D. The router sends a PSNP to its neighbor to request the LSP.
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Suggested Answer: A 🗳️
by mayhan967 at Oct. 30, 2021, 8:29 p.m.

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Redan
1 year, 5 months ago
A is correct, once the router found that the LSP is older on the CSNP received, the router will send an LSP.
upvoted 1 times
...
ahmed_magdy
2 years, 8 months ago
not A !
upvoted 1 times
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mayhan967
3 years ago
the question not clear enough !
upvoted 1 times
...

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