Nokia Nokia Certifications 4A0-106 Questions & Answers

• Question 141:

  Which of the following protocols does the Alcatel-Lucent 7750 SR support to signal VPRN service labels?

  A. Targeted-LDP

  B. BGP

  C. MP-BGP

  D. RSVP-TE

  Correct Answer: C

• Question 142:

  Which of the following about the maximum number of routes that can be accepted in a VRF for a VPRN service on the Alcatel-Lucent 7750 SR is FALSE?

  A. The Alcatel-Lucent 7750 SR allows the setting of the maximum number of routes that can be accepted in a VRF for a VPRN service.

  B. The "maximum-routes" command is used to specify the maximum number of remote routes that can be held within a VRF for a VPRN service.

  C. When the "maximum-routes" command is used with the "log-only" parameter, new routes are still learned.

  D. Once the "threshold" value is reached, no new routes are added to the VRF.

  Correct Answer: D

• Question 143:

  Based on the VPRN BGP decision process, which of the following routes is selected first?

  A. The route with the lowest MED.

  B. The route with the shortest AS Path.

  C. The route received from the lowest peer IP address.

  D. The route with the lowest Origin.

  Correct Answer: B

• Question 144:

  Which of the following about the configuration of VPRN Outbound Route Filtering (ORB on an Alcatel-Lucent 7750 SR is TRUE?

  A. The ORF configuration must be done under the BGP neighbor context only.

  B. When sending is enabled, the ORF function takes the route target list configured in all outbound policies and pushes this list to the peer by default.

  C. When configuring ORF, the session with the peer must be cleared/reset for the new capability negotiation to take place.

  D. When Outbound Route Filtering is configured, both the sending and acceptance of ORF are enabled by default.

  Correct Answer: C

• Question 145:

  In a VPRN that uses MPLS transport tunnels, which of the following statements about P devices is TRUE?

  A. P devices participate in service provider core routing.

  B. P devices are not required to be MPLS-enabled.

  C. P devices must be aware of the VPRNs.

  D. P devices must support MP-BGP.

  Correct Answer: A

• Question 146:

  Click the exhibit.

  

  Based on the VPRN aggregate route configuration, which routes are advertised to CE2?

  A. 172.12.10.0/24, 172.12.20.0/24 and 172.0.0.0/16

  B. 172.12.0.0/16 only

  C. 172.12.10.0/24 and 172.12.20.0/24

  D. 172.0.0.0/16 only

  Correct Answer: C

• Question 147:

  Click the exhibit.

  

  When configuring a VPRN service on an Alcatel-Lucent 7750 SR, where should the policy be applied?

  A. On the CE under the OSPF context

  B. On the PE under the BGP context

  C. On the PE under the OSPF context

  D. On the CE under the BGP context

  E. This policy is not required.

  Correct Answer: E

• Question 148:

  Which of the following about eiBGP Load Balancing is FALSE?

  A. ecmp and multipath must be configured within the VPRN instance.

  B. The RD of the VPRN on the local PE must be different from the RD of the remote PEs.

  C. Is enabled in the config>router>bgp context

  D. Allows a PE router to load share traffic across routes learned from both direct CE-PE peerings and MPBGP peerings.

  Correct Answer: C

• Question 149:

  What mechanism allows routes to be shared between customers in different VPRNs?

  A. The routes to be shared are identified by common route targets

  B. The routes to be shared are identified by common route distinguishers

  C. The routes to be shared are identified by common AS numbers

  D. The routes to be shared are identified by common VPN labels

  Correct Answer: A

• Question 150:

  The policies shown below from the configuration of an Alcatel-Lucent 7750 SR have been created to implement an Extranet VPRN between the main sites of two separate VPRNs. How should these policies be applied?

  A. ample Policy should be applied as an export policy on the PE connected to the main site of Customer 1

  B. ample Policy 3 should be applied as an export policy on the PE connected to the main site of Customer 2

  C. ample Policy 3 should be applied as an export policy on both PEs connected to the main site of Customer 1 and the main site of Customer 2

  D. ample Policy should be applied as an export policy on both PEs connected to the main site of Customer 1 and the main site of Customer 2

  E. ample Policy should be applied as an export policy on all PEs connected to sites of Customer 1

  Correct Answer: A