Question 1

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 update 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.

Answer: A

Question 2

What are the default Hello and Dead timer intervals for OSPF on the Nokia 7750 SR?

Options :

A : 5 and 15 seconds

B : 10 and 30 seconds

C : 5 and 20 seconds

D : 10 and 40 seconds

Answer: D

Question 3

NSSA LSA packets are what type within an NSSA area, and are converted to what other type at the ABR?

Options :

A : They are type 7 within the area and are not modified at the ABR

B : They are type 5 within the area and converted to type 3 at the ABR

C : They are type 5 within the area and are not modified at the ABR

D : They are type 7 within the area and converted to type 5 at the ABR

Answer: D

Question 4

Click the exhibit button.

Given the topology and the show commands, and assuming that router R2 advertises all of its loopbacks into OSPF, what is the correct router R1 configuration?

Options :

A :