4A0-102 by Alcatel-Lucent Actual Free Exam Questions And Answers

Question 1

Which of the following statements about an autonomous system is FALSE?

A. An AS is a set of routers under a single technical administration.

B. An AS presents a consistent routing policy to other autonomous systems.

C. An AS efficiently advertises all IGP known routes to other ASs.

D. An AS has a 2-byte or 4-byte AS number assigned.

Discussion 0

Correct Answer: C Vote an answer

Question 2

Which regular expression will match the AS Path of a route originating in remote AS 65100?

A. ".* 65100.*"

B. "65100"

C. "65100.+"

D. ".+ 65100"

Discussion 0

Correct Answer: D Vote an answer

Question 3

Click the exhibit.

Router R6 is a route reflector with clients R1, R2, R4 and R5. Router R4 receives three routes from router R6 and is
configured with ECMP 3. Given the following BGP configuration on routerR4, how many primary and backup paths will
be present in router R4's BGP routing table?

A. One primary path and two backup paths.

B. Three primary paths,

C. Two primary paths and one backup path.

D. One primary path and one backup path.

Discussion 0

Correct Answer: C Vote an answer

Question 4

What is the default Alcatel-Lucent 7750 SR TTL of a BGP advertisement between confederation members?

A. 255

B. 32

C. 64

D. 1

Discussion 0

Correct Answer: D Vote an answer

Question 5

Click the exhibit.

Assuming that none of the routers within AS 65200 is configured with next-hop-self", what will the BGP update for the
192.168.0.1/27 prefix contain when it arrives at router B?

A. AS Path of 65200 65100, Next Hop of router

B. AS Path of 65100, Next Hop of router E.

C. AS Path of 65100, Next Hop of router A.

D. AS Path of 65200 65100, Next Hop of router E.

Discussion 0

Correct Answer: B Vote an answer

Question 6

Why is a full mesh of iBGP peers required?

A. To maximize control plane scalability.

B. To ensure that all routers are directly connected.

C. To ensure proper route propagation inside a transit AS.

D. To ensure that all routers run iBGP inside a transit AS.

Discussion 0

Correct Answer: C Vote an answer

Question 7

Which of the following statements regarding BGP FRR is FALSE?

A. The router must receive several BGP routes to compute a backup path.

B. BGP FRR can be triggered by BFD.

C. The backup path can use the same next hop as the primary path.

D. BGP peer-tracking can be used to improve BGP FRR failure detection times.

Discussion 0

Correct Answer: C Vote an answer

Question 8

Consider two Alcatel-Lucent 7750 SRs in AS 65540. Router R1 has system address 10.10.10.1, and router R2 has
system address 10.10.10.2. Which of the following configurations on router R2 can establish a BGP session with router
R1?

A. Option B

B. Option A

C. Option D

D. Option C

Discussion 0

Correct Answer: A Vote an answer

Question 9

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

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

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

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

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

Discussion 0

Correct Answer: C Vote an answer

Question 10

Which of the following about a single-homed AS is FALSE?

A. A single-homed AS uses either the ISP AS number or a private AS number.

B. A single-homed AS is also known as a stub AS.

C. A single-homed AS is also known as a leaf AS.

D. A single-homed AS can be either transit or non-transit

Discussion 0

Correct Answer: D Vote an answer

Alcatel-Lucent Border Gateway Protocol - 4A0-102 Exam Practice Test

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