4A0-102 Braindumps

Alcatel lucent

4A0-102

Alcatel-Lucent Border Gateway Protocol

Question: 1

Upon the successful establishment of a TCP session between peers, what type of BGP message is exchanged? 

A. OpenSent

B. Keepalive

C. Open

D. Notification

E. Update 

Answer: C

Question: 2

Click the exhibit. 

An update travels from AS 135000 to AS 137000, traversing both 32-bit and 16-bit AS paths. What will the AS Path be when the update reaches AS 137000? 

A. 140000 200 135000

B. 137000 140000 200 135000

C. 140000 23456 135000

D. 135000 200 140000 

Answer: A

Question: 3

Which of the following is FALSE regarding the 16-bit public autonomous system numbers? 

A. They are allocated to the RIRs by ICANN/IANA.

B. They are used when connecting ASs on the Internet.

C. They range from 1 to 56319.

D. They are assigned by the ISPs for enterprise networks. 

Answer: D

Question: 4

Click the exhibit.

Given that ISP 1 and ISP 2 are Tier 2 providers, and that ISP 3 and ISP 4 are Tier 1 providers, what is the most likely relationship between the ISPs? 

A. ISP 1 and ISP 2 have a public transit relationship, while ISP 3 and ISP 4 have a private transit relationship.

B. ISP 1 and ISP 2 have a private transit relationship, while ISP 3 and ISP 4 have a public transit relationship.

C. ISP 1 and ISP 2 have a private peering relationship, while ISP 3 and ISP 4 have a public peering relationship.

D. ISP 1 and ISP 2 have a public peering relationship, while ISP 3 and ISP 4 have a private peering relationship. 

Answer: D

Question: 5

Click the exhibit.

 If router A originates an update for prefix 192.168.0.1/27, what will the update contain when it reaches router B? 

A. AS Path of 65200, local-preference of 100.

B. AS Path of 65200, local-preference of None.

C. Null AS Path, local-preference of 100.

D. Null AS Path, local-preference of None. 

Answer: C

Question: 6

BGP is configured on two peers, routers A and B. Router A is configured with a Hold Time timer of 60 seconds and a Keepalive timer of 25 seconds. Router B is configured with a Hold Time timer of 90 seconds and a Keepalive timer of 70 seconds. What will the active Keepalive timer be on router B? 

A. 70 seconds

B. 25 seconds

C. 20 seconds

D. 30 seconds 

Answer: C

Question: 7

Which of the following statements regarding the Internet is FALSE? 

A. It is a global network relying on interconnections provided by Internet service providers.

B. It is a continuous and interconnected set of public IP networks, advertised and shared across the globe.

C. It is a settlement-free global network that provides interconnection between Internet service providers.

D. It is a network that allows any Internet service provider to reach every other Internet service provider in the world. 

Answer: C

Question: 8

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

A. A single connection to a single service provider.

B. Two connections to a single service provider.

C. Two connections to two different service providers.

D. Multiple connections to different service providers. 

Answer: B

Question: 9

What are the well-known mandatory BGP attributes? 

A. Origin, Next Hop and Local Preference.

B. Local preference, AS Path and Next Hop.

C. Aggregator, Next Hop and AS Path.

D. AS Path, Next Hop and Origin. 

Answer: D

Question: 10

Which of the following best describes the relationship between locally configured policies and the direction of traffic? 

A. Import policies affect the way the local AS receives traffic, while export policies affect the way it sends traffic.

B. Import policies affect the way the local AS sends traffic, while export policies affect the way it receives traffic.

C. Both import and export policies affect the way the local AS receives traffic, but not the way it sends traffic.

D. Both import and export policies affect the way the local AS sends traffic, but not the way it receives traffic. 

Answer: B

Question: 11

What kind of BGP attribute is the Local Preference? 

A. Optional transitive attribute.

B. Optional non-transitive attribute.

C. Well-known mandatory attribute.

D. Well-known discretionary attribute. 

Answer: D

Question: 12

Which of the following is TRUE? 

A. There can only be one community associated with a route.

B. Community is an optional non-transitive attribute.

C. Community is an optional transitive attribute.

D. Community is a well-known discretionary attribute.  

Answer: C