Question 1

Which of the following about transport and service tunnels is FALSE?

Options :

A : Service tunnels are unidirectional.

B : Transport tunnels are unidirectional.

C : A service will use the same service label for every hop.

D : A local service requires a transport tunnel.

Answer: D

Question 2

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 3

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 4

Which of the following comparisons between E-pipes and VPLSes is FALSE?

Options :

A : They both function as a Layer 2 switch from the service provider-s perspective.

B : They both support SAP encapsulations of null, dot1Q and Q-in-Q.

C : They both use SAPs as the demarcation point between the customer and the provider.

D : MAC addresses are learned by VPLSes, but not by E-pipes.

Answer: A

Question 5

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

Free 4A0-C04 Mock Exam – Practice Online Confidently

Buying Options: