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 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.

Answer: A

Question 2

Which MPLS label mode saves label mappings received from all peer LSRs?

Options :

A : Conservative label retention

B : Liberal label retention

C : Downstream on demand

D : Downstream unsolicited

Answer: B

Question 3

What are the default settings for RSVP-TE on the Nokia 7750 SR?

Options :

A : Per-interface label space, liberal retention mode

B : Per-platform label space; liberal retention mode

C : Per-interface label space, conservative retention mode

D : Per-platform label space, conservative retention mode

Answer: D

Question 4

How is the aggregator attribute handled with 32-bit AS numbers?

Options :

A : With the same method and attribute as 16-bit AS numbers.

B : With the same method as 16-bit AS numbers, but using the AS4_Aggregator attribute.

C : Aggregation is not yet supported with 32-bit AS numbers.

D : By using a dummy value of 23456 in the 16-bit AS aggregator field. This value lets the router know it needs to read the 32-bit AS number that is contained in the nextTLV.

Answer: B

Question 5

A static route is created using the command 'static-route 0.0.0.0/0 next-hop 3.3.3.1'. What command could be used to test the static route on an Nokia 7750 SR?

Options :

A : Ping static 3.3.3.1

B : Ping static 0.0.0.0/0

C : Ping 3.3.3.1

D : Ping 0.0.0.0

Answer: C