4A0-102無料問題集「Alcatel-Lucent Border Gateway Protocol」

質問 1

Which of the following regarding the atomic aggregate attribute is TRUE?

（A）It is an optional non-transitive attribute.

（B）The atomic aggregate flag is always set if the aggregator attribute is set.

（C）The atomic aggregate flag is always set if the AS Path information is lost due to aggregation.

（D）It is an optional transitive attribute.

正解：C 解答を投票する

質問 2

From what range are 16-bit private AS numbers selected?

（A）64496 - 64511

（B）There are no defined private AS numbers; there are only private IP addresses.

（C）1 - 56319

（D）64513-65535

（E）64512-65534

正解：E 解答を投票する

質問 3

An Alcatel-Lucent 7750 SR has the BGP configuration shown below. Assuming the router has established BGP sessions
to routers R1 and R2, which of the following is TRUE?

（A）Neighbor R1should be part of AS 65550, while neighbor R2 should be part of AS 65560.

（B）Both neighbors R1and R2 should be part of AS 65560.

（C）Neighbor R1should be part of AS 65550, while neighbor R2 should be part of AS 65540.

（D）Both neighbors R1and R2 should be part of AS 65540.

正解：A 解答を投票する

質問 4

Click the exhibit.

Assume all router-IDs are properly configured, and link-local IPv6 addresses are used to establish the eBGP sessions.
Which of the following is the MINIMAL configuration required on router A so that router B can exchange traffic with
router D?

（A）Option D

（B）Option B

（C）Option C

（D）Option A

正解：C 解答を投票する

質問 5

Which of the following is the minimum requirement for an AS to be considered multi-homed?

（A）Two connections to two different service providers.

（B）Two connections to a single service provider.

（C）Multiple connections to different service providers.

（D）A single connection to a single service provider.

正解：B 解答を投票する

質問 6

Which of the following statements regarding route reflectors is TRUE?

（A）Route reflectors disable iBGP split horizon for all iBGP peers in the AS.

（B）Route reflectors propagate BGP learned routes to their clients.

（C）Route reflectors require "n" iBGP sessions, where "n" is the number of BGP routers in the AS.

（D）Route reflectors do not work in conjunction with confederations.

正解：B 解答を投票する

質問 7

Which of the following is TRUE if the state of one BGP neighbor shows Active?

（A）The router received an Open message with the correct parameters.

（B）The router is actively exchanging updates with that neighbor.

（C）The router is trying to initiate a TCP connection to that neighbor.

（D）The neighbor will send a Keepalive message.

正解：C 解答を投票する

質問 8

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

（A）An AS has a 2-byte or 4-byte AS number assigned.

（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 is a set of routers under a single technical administration.

正解：C 解答を投票する

質問 9

Router R1, in AS 65540, has the export policy shown below. It advertises an aggregate route to eBGP peer router R2 in
65550. What is the AS Path of the aggregate route received by router R2?

（A）65540 1

（B）65550 65540

（C）65540 65540

（D）65540

正解：C 解答を投票する

質問 10

Click the exhibit.

Routers RR1 and RR2 are route reflectors with the same Cluster-ID. How does router RA treat the updates for prefix
192.168.1.0/27 received from routers RR1 and RR2?

（A）Router RA prefers the update received from router RR2.

（B）Router RA accepts both updates and flags them as used.

（C）Router RA flags both updates as invalid.

（D）Router RA prefers the update received from router RR1.

正解：C 解答を投票する

4A0-102 無料問題集「Alcatel-Lucent Border Gateway Protocol」

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