Nokia 4A0-101 Practice Exam Dumps 2025

A router receives an OSPF database description packet from a neighbor that references an LSA, which is already in the router's LSDB. The sequence number in the DBD packet is lower than the sequence number of the LSA in the LSDB.

What action does the router take?

Options:

The router sends a link-state update to its neighbor.

The router sends a link-state acknowledgement to its neighbor.

The router updates the information in its LSDB with the information received from its neighbor.

The router sends a link-state request to its neighbor.

The router takes no action.

Question 3

Click on the exhibit.

Router R2 has a directly connected interface to network 192.168.3.0/24 that is included in IS-IS.

If router R4 redistributes the IS-IS route to 192.168.3.0/24 into OSPF, router R3 will receive two routes to 192.168.3.0/24. Assume that all IS-IS routers are L1/L2 capable and are in the same area.

Which of the following is TRUE?

Options:

Router R3 will install the IS-IS route in it's routing table.

Router R3 will install the OSPF route in it's routing table.

Router R3 will install an OSPF route and an IS-IS route in it's route table.

There is not enough information to answer the question.

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4A0-101 Exam Dumps : Alcatel-Lucent Interior Routing Protocols and High Availability

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Alcatel-Lucent Interior Routing Protocols and High Availability Questions and Answers

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