Nokia Exam 4A0-100 Topic 1 Question 92 Discussion

Actual exam question for Nokia's 4A0-100 exam

Question #: 92
Topic #: 1

Router R3 receives an LSA with the sequence number 111 from router R4 and then receives another copy of the LSA with a sequence number 112 from router R2. What does router R3 do with the LSA from R2?

AR3 discards the LSA received from R2 and sends a copy of the LSA from its link state base to R2.

BR3 installs the LSA received from R2 in its link state database and floods a copy to its neighbors.

CR3 discards the LSA received from R2 and sends an ACK to R2.

DR3 installs the LSA received from R2 in its link state database, sends an ACK to R2, and floods a copy to its neighbors.

Show Suggested Answer

Suggested Answer: A

by Whitley at Jul 08, 2024, 05:07 PM

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Wilburn

13 days ago

I think the correct answer is D. R3 should install the LSA from R2 in its database, send an ACK, and flood it to its neighbors. The sequence number is higher than the one it received from R4, so it needs to update its information.

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