[Free] 2019(Nov) EnsurePass Nokia 4A0-102 Dumps with VCE and PDF 121-130

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Question No.121

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

members?

A.

1

B.

32

C.

64

D.

255

Correct Answer: A

Question No.122

Click the exhibit. AS 65540 routers are iBGP fully-meshed. Assume routers R4, R5 and R6 are configured with addpaths ipv4 send 2 receivequot;. Which routes to 192.168.0.1/27 is router R6 expected to have in its BGP routing table?

image

  1. Two routes from router R4.

  2. Two routes from router R5.

  3. Two routes; one from router R4 and one from router R5.

  4. Four routes; two from router R4 and two from router R5.

Correct Answer: D

Question No.123

Click the exhibit. AS 65540 routers are iBGP fully-meshed. Prefixes advertised by router R2 have a local preference of 200. Router R1 advertises the prefix 192.168.1.0/27 to routers R2 and R3. Assuming that router R3 is configured with quot;advertise-externalquot;, what is the expected output of quot;show router bgp routesquot; when executed on router R4?

image

image

  1. Option A

  2. Option B

  3. Option C

  4. Option D

Correct Answer: C

Question No.124

Click the exhibit. When router A receives the BGP update for the 192.168.0.1/27 prefix, it propagates it to routers B and C. What action is taken by router B when it receives the update?

image

  1. Router B propagates the BGP update to routers D and C.

  2. Router B propagates the BGP update to router D.

  3. Router B detects duplicates in its BGP database and discards the update.

  4. Router B propagates the update to routers A, C and D.

Correct Answer: B

Question No.125

How is the aggregator attribute handled with 32-bit AS numbers?

  1. With the same method and attribute as 16-bit AS numbers.

  2. With the same method as 16-bit AS numbers, but using the AS4_Aggregator attribute.

  3. Aggregation is not yet supported with 32-bit AS numbers.

  4. By 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.

Correct Answer: B

Question No.126

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

  1. Update

  2. Open

  3. Notification

  4. Keepalive

Correct Answer: D

Question No.127

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?

  1. Only the first route will appear in the RIB-Out.

  2. Only the second route will appear in the RIB-Out.

  3. Only the third route will appear in the RIB-Out.

  4. All routes will appear in the RIB-Out.

Correct Answer: A

Question No.128

The configuration of an Alcatel-Lucent 7750 SR is given below. Router Rl has established BGP sessions with routers R2 and R3. Which of the following is TRUE?

image

  1. Router R1forms an iBGP session with router R2, and an eBGP session with router R3.

  2. Router R1forms iBGP sessions with routers R2 and R3.

  3. Router R1forms eBGP sessions with routers R2 and R3.

  4. The types of BGP sessions with routers R2 and R3 cannot be determined.

Correct Answer: D

Question No.129

What is the result of configuring the following policy statement as a BGP import policy on the Alcatel-Lucent 7750 SR?

image

  1. All BGP routes are accepted.

  2. All routes matching prefix lists quot;List-1quot; and quot;List-2quot; are rejected.

  3. BGP routes matching prefix lists quot;List-1quot; or quot;List-2quot; are rejected.

  4. BGP routes matching prefix lists quot;List-1quot; and quot;List-2quot; are rejected.

Correct Answer: C

Question No.130

Which of the following regarding route reflectors is TRUE?

  1. Only the route reflector is configured with a cluster id.

  2. There can only be one route reflector in a cluster.

  3. Clients should have iBGP sessions with each other to maintain the mesh.

  4. There can only be one level of route reflectors in the topology.

Correct Answer: A

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