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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

Question 1

If routers R1 and R2 have a Level 1 and Level 2 IS-IS adjacency, which of the following statements are true? Choose two answers.

Options:

A.

Routers R1 and R2 are in different areas,

B.

Routers R1 and R2 are in the same area.

C.

Routers R1 and R2 will send a Level 1 Hello PDU and Level 2 Hello PDU, if the interface type between them is point-to-point.

D.

Routers R1 and R2 will send a Level 1 Hello PDU and Level 2 Hello PDU, if the interface type between them is broadcast.

E.

Routers R1 and R2 will send a Level 1/2 Hello PDU, if the interface type between them is broadcast.

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Question 2

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:

A.

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

B.

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

C.

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

D.

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

E.

The router takes no action.

Question 3

In an IP datagram, which of the following fields identifies the receiving application?

Options:

A.

The protocol field of the transport layer header.

B.

The port field of the transport layer header.

C.

The protocol field of the network layer header.

D.

The port field of the network layer address.