Question No. 1

Click the exhibit.

For the inter-AS model A VPRN. BGP is used as the PE-CE routing protocol. Which of the following statements about the control plane operation is TRUE?

APE1 sends an IPv4 update for prefix 192.168.1.0/27 via MP-BGP to ASBR1.

BASBR1 sends an IPv4 update for prefix 192.168.1.0/27 to ASBR2.

CASBR1 transforms an IPv4 update for prefix 192.168.1.0/27 to a VPN-IPv4 route; allocates VPN label V1 and sends the update to ASBR2.

DASBR2 accepts a VPN-IPv4 update from ASBR1, then sends the update to PE2 via MP-BGP.

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Correct Answer: B

Question No. 2

For Carrier Supporting Carrier (CSC) VPRN, which of the following is NOT applicable to both types of customer carriers: BGP/MPLS service providers and Internet service providers?

AeBGP is used for route and label exchange between CSC-CE and CSC-PE routers.

BiBGP can be used to distribute routes between CSC-CE and PE routers.

CMP-iBGP is used to advertise routes between the CSC-PE routers.

DMP-iBGP is used to advertise end-customer and Internet routes directly between the PE routers.

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Correct Answer: D

Question No. 3

Which of the following statements regarding BGP Add-Paths is FALSE?

AAdd-Paths allows non-best paths to be advertised to a peer.

BAdd-Paths capabilities are exchanged between peers after the BGP session is established.

CA BGP speaker must advertise the capability to receive multiple paths from its peer.

DA BGP speaker must advertise the capability to send multiple paths to its peer.

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Correct Answer: D

Question No. 4

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 none of the routers in AS 65540 is configured with "advertise-external", what is the expected output of "show router bgp routes" on router R2?

AOption A

BOption B

COption C

DOption D

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Correct Answer: A

Question No. 5

When would it be appropriate to use the as-override command?

AWhen sites of different VPRN customers use the same BGP AS number

BWhen sites of the same VPRN customer use the same BGP AS number

CWhen sites of different VPRN customers use different BGP AS numbers

DWhen sites of the same VPRN customer use different BGP AS numbers

EWhen the customer site AS number is the same as the provider AS number

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Correct Answer: B

Free Nokia 4A0-C02 Exam Actual Questions

The questions for 4A0-C02 were last updated On Dec 20, 2024