Question 1

What class of attribute is Originator_ID?

AWell-known mandatory.

BWell-known discretionary.

COptional transitive.

DOptional non-transitive.

Answer : D

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

A BGP session is in OpenConfirm state. Which of the following messages must be received to transition to Established state?

AUpdate

BOpen

CNotification

DKeepalive

Answer : D

Question 4

A router in AS 65100 receives three routes for 138.120.0.0/16. The first route has an AS Path of 65200 65400 65300 and a local preference of 150. The second route has an AS Path of 65200 65300 and a local preference of 100. The third route has an AS Path of 65600 65300 and a local preference of 100. Which route will appear in the RIB-out?

AOnly the first route will appear in the RIB-Out.

BOnly the second route will appear in the RIB-Out.

COnly the third route will appear in the RIB-Out.

DAll routes will appear in the RIB-Out.

Answer : A

Question 5

Which of the following is NOT considered an option of export policies?

AAdvertising customer networks into BGP.

BSending aggregates that summarize the AS s address space.

CSending MEDs to influence ingress traffic from peers.

DPreventing unwanted NLRI from entering the AS.

Answer : D

Free Practice Questions for Nokia 4A0-102 Exam

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