Question 1

Click the exhibit.

When router A receives the BGP update for the 192.168.0.1/27 prefix, it propagates it to routers B and C. What action is taken by router B when it receives the update?

ARouter B propagates the BGP update to routers D and C.

BRouter B propagates the BGP update to router D.

CRouter B detects duplicates in its BGP database and discards the update.

DRouter B propagates the update to routers A, C and D.

Answer : B

Question 2

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

AWith the same method and attribute as 16-bit AS numbers.

BWith the same method as 16-bit AS numbers, but using the AS4_Aggregator attribute.

CAggregation is not yet supported with 32-bit AS numbers.

DBy 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 3

Which of the following statements regarding BGP shortcuts is FALSE?

AMPLS tunnels are used to carry transit traffic across the network.

BA full mesh of iBGP peering sessions is not required,

CEdge and transit routers need to be configured with BGP.

DThe transit routers need to support LDP or RSVP-TE LSPs.

Answer : C

Question 4

Click the exhibit.

Assuming the network is IPv6 only, which of the following configurations on the Nokia

7750 SR router A can establish an IPv6 BGP session to router B?

AOption A

BOption B

COption C

DOption D

Answer : A

Question 5

Click the exhibit.

Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.

Assuming that router R6 is configured with "advertise-external", what is the expected output of "show router bgp routes" when executed on router R1?

AOption A

BOption B

COption C

DOption D

Answer : D

Free Practice Questions for Nokia 4A0-C04 Exam

Question 1

Question 2

Question 3

Question 4

Question 5