Nokia Nokia Certifications 4A0-102 Questions & Answers

• Question 61:

  The user of an Alcatel-Lucent 7750 SR wants to see the effect of changing an import policy immediately. What is the best command to force re-evaluation of the import policy with minimal impact?

  A. Configure router bgp shutdown

  B. Clear router bgp neighbor soft

  C. Clear router bgp neighbor soft-inbound

  D. Clear router bgp protocol

  Correct Answer: C

• Question 62:

  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 A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: C

• Question 63:

  Click the exhibit.

  

  Routers RR1 are RR2 are redundant route reflectors for clients R3 and R4. Which of the following is a valid configuration on router RR1?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: C

• Question 64:

  Click the exhibit.

  

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

  A. Two routes from router R4.

  B. Two routes from router R5.

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

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

  Correct Answer: D

• Question 65:

  An Alcatel-Lucent 7750 SR receives a route from an eBGP peer with a MED value of 500.

  What MED value is sent to iBGP peers?

  A. 100

  B. The IGP cost

  C. 500

  D. None

  Correct Answer: C

• Question 66:

  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.

  Correct Answer: C

• Question 67:

  Assuming that "client1" and "client2" are directly-connected networks, what is the result of executing the following BGP export policy?

  

  A. Only entry 10 is executed for "client1" and "client2".

  B. Entries 10 and 20 are executed for "client1", and entries 10 and 30 are executed for "client2".

  C. Entries 10 and 20 are executed for "client1", and entries 10, 20 and 30 are executed for "client2".

  D. Entry 10 is executed for directly-connected routes, entry 20 for "client1" and entry 30 for "client2".

  Correct Answer: A

• Question 68:

  Click the exhibit.

  

  Assuming a full iBGP mesh in ISP 1, how does router R1 in ISP 1 handle a BGP update received from ISP 2?

  A. The update is sent to router R2 in ISP 1.

  B. The update is sent to routers R2 and R3 in ISP 1.

  C. The update is sent to all routers in ISP 1.

  D. The update is sent to routers R2 and R3 in ISP 1, and to router R3 in ISP 2.

  Correct Answer: C

• Question 69:

  An Alcatel-Lucent 7750 SR is configured with an export policy to redistribute its directly- connected networks into BGP. Which of the following databases contains the routes for these networks?

  A. The routes are in the RIB-In.

  B. The routes are in the Loc-RIB.

  C. The routes are in the RIB-Out.

  D. The routes are not in any of the BGP databases.

  Correct Answer: C

• Question 70:

  Which of the following statements regarding Internet Exchange Points is FALSE?

  A. They provide both peering and transit services.

  B. They provide services only to Tier 1 service providers.

  C. They can be either public or private.

  D. They provide services at the local, regional and continental levels.

  Correct Answer: B