Nokia Nokia Certifications 4A0-102 Questions & Answers

• Question 131:

  Click the exhibit.

  

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

  

  A. Two primary paths and one backup path.

  B. One primary path and two backup paths.

  C. Three primary path and one backup path,

  D. Three primary paths.

  Correct Answer: D

• Question 132:

  An Alcatel-Lucent 7750 SR receives a route from an eBGP peer without a MED. What MED value is sent to iBGP peers?

  A. 100

  B. 250

  C. The IGP cost

  D. None

  Correct Answer: D

• Question 133:

  Click the exhibit.

  

  Router R2 receives a route to 192.168.4.0/29 from router R4 and sets the local preference to 110.

  Router R1 receives the route to 192.168.4.0/29 from router R3, and sets the local preference to 80. There

  is a full iBGP mesh in AS 65540, but router R5 only has a physical connection to router R1.

  Which path does traffic destined to 192.168.4.0/29 take from router R5?

  A. R5-R2-R4-R8

  B. R5-R1-R3-R4-R8

  C. R5-R1-R2-R4-R8

  D. R5-R1-R3-R7-R8

  Correct Answer: C

• Question 134:

  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

  B. 65540 1

  C. 65540 65540

  D. 65550 65540

  Correct Answer: C

• Question 135:

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

  

  A. All BGP routes are rejected.

  B. All BGP routes are accepted.

  C. All routes matching prefix list "List-1" are rejected.

  D. All BGP routes matching prefix list "List-1" are rejected.

  Correct Answer: D

• Question 136:

  Click the exhibit.

  

  AS 65550 owns the CIDR block 10.64.0.0/12. Router R4 advertises the aggregate 10.64.0.0/12 to AS65540. Which of the following is TRUE regarding the aggregate route advertisement?

  A. The aggregator attribute will not be present, and the atomic aggregate flag will not be set.

  B. The aggregator attribute will not be present, and the atomic aggregate flag will be set.

  C. The aggregator attribute will be present, and the atomic aggregate flag will not be set.

  D. The aggregator attribute will be present, and the atomic aggregate flag will be set.

  Correct Answer: C

• Question 137:

  An Alcatel-Lucent 7750 SR receives two updates for the same route with local preferences 200 and 300, respectively. What local preference is sent to eBGP peers?

  A. 100

  B. 200

  C. 300

  D. None

  Correct Answer: D

• Question 138:

  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.

  Correct Answer: B

• Question 139:

  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 efficiently advertises all IGP known routes to other ASs.

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

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

  Correct Answer: B

• Question 140:

  Which of the following is NOT considered an option of export policies?

  A. Advertising customer networks into BGP.

  B. Sending aggregates that summarize the AS s address space.

  C. Sending MEDs to influence ingress traffic from peers.

  D. Preventing unwanted NLRI from entering the AS.

  Correct Answer: D