Question No. 1

Which of the following about BGP loops in a VPRN environment is TRUE?

ATraditional BGP loop detection mechanisms are unable to detect a loop in a VPRN scenario.

BBGP loops are detected in a VPRN when the customer has separate sites using the same BGP autonomous system number.

CThe Nokia 7750 SR rejects routes containing AS_PATH loops by default.

DWhen 'remove-private' is configured at a PE, all routes received from the associated CE will have private AS numbers removed.

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Correct Answer: B

Question No. 2

Click the exhibit.

Which of the following about the inter-AS model A VPRN configuration on ASBR1 is TRUE?

AThe route-distinguisher value must be 64496:10 for successful VPRN operation.

BAn export policy is not required for successful VPRN operation.

CThe 'family vpn-ipv4' command is required under the BGP configuration for successful VPRN operation.

DThe neighbor address should be 10.10.10.4 under the BGP configuration for successful VPRN operation.

EThe VPRN configuration on ASBR1 is correct.

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Correct Answer: E

Question No. 3

Which statement about assigning one Route Distinguisher per VPN is TRUE?

AThis approach is recommended when multiple sites advertise the same prefix.

BThis approach limits the opportunities for load balancing.

CThis approach requires additional memory on the PEs to store more routes.

DThis approach is recommended for extranet VPN.

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Correct Answer: B

Question No. 4

Click the exhibit.

For the inter-AS model C VPRN, which router is configured as shown?

APE1

BRR1

CASBR1

DASBR2

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Correct Answer: C

Question No. 5

Which of the following statements about the control plane in Carrier Supporting Carrier (CSC) VPRN is FALSE?

AThe customer carrier does not learn any network provider routes.

BThe network provider must learn the customer carrier PE and CE system addresses.

CRoutes exchanged between CSC-CE and CSC-PE are labeled.

DThe customer carrier PE system addresses are populated in the CSC VRF.

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Correct Answer: B

Free Nokia 4A0-106 Exam Actual Questions