Nokia Nokia Certifications 4A0-101 Questions & Answers

• Question 101:

  A router running a link-state protocol sends an update to a neighbor. The neighbor sends an update back. Why would the neighbor do this?

  A. The neighbor's link-state database has newer information than what it received in the update.

  B. The neighbor sends the update as an acknowledgement.

  C. The neighbor's update indicates that it has run out of space in its LSDB.

  D. The neighbor's update indicates that the sequence number received is the same as the one already in its link-state database.

  Correct Answer: A

• Question 102:

  When a router performs the SPF calculation, which router is used as the root of the shortest path tree?

  A. The router with the least number of links.

  B. The router with the lowest router ID.

  C. The router's closest neighbor.

  D. The router doing the calculation.

  Correct Answer: D

• Question 103:

  Click on the exhibit.

  

  A service provider is deploying a 6 over 4 tunnel to connect a customer's corporate IPv6 network to all devices at the branch office as shown in the exhibit. Which command is used to create the route to the branch office network on PE1?

  A. Configure router static-route 2001:DB8:1:201::/64 indirect 10.10.10.4

  B. Configure router static-route 2001:DB8:1:201:764 indirect 2001:DB8:1:200::2

  C. Configure router static-route 2001:DB8:1:200::/56 indirect 10.10.10.4

  D. Configure router static-route 2001:DB8:1:200:756 indirect 2001:DB8:1:200::2

  Correct Answer: C

• Question 104:

  Click on the exhibit.

  

  Which router is the designated router for the broadcast network?

  A. 10.10.10.2

  B. 10.10.10.3

  C. 10.10.10.6

  D. There is not enough information given to determine the designated router.

  Correct Answer: B

• Question 105:

  Which type of OSPF LSA has the following characteristics: It is flooded only within the area it originates from and can be originated by any OSPF router within the area (including non-DR routers).

  A. Type 1 Router LSA

  B. Type 2 Network LSA

  C. Type 3 Summary LSA

  D. Type 4 ASBR LSA

  Correct Answer: A

• Question 106:

  Which OSPFv3 LSA type is similar in function to the OSPFv2 Type 4 LSA?

  A. Link

  B. Intra-Area Prefix

  C. Inter-Area Prefix

  D. Inter-Area Router

  Correct Answer: D

• Question 107:

  An OSPF adjacency is stuck in the exstart state. What is the most likely cause?

  A. The MTU does not match on both interfaces.

  B. OSPF is not enabled on one of the routers.

  C. The router ID is the same on both routers.

  D. An OSPF Hello has not been received from the neighbor.

  E. The interfaces are configured as point-to-point on one side and broadcast on the other.

  Correct Answer: A

• Question 108:

  Click on the exhibit.

  

  Router R4 is being added to the network and it is connected to a non-OSPF domain. Which area type should be used for Area 1 to allow the external routes to be advertised into Area 0?

  A. Backbone

  B. NSSA

  C. Stub

  D. Totally stubby

  Correct Answer: B

• Question 109:

  To configure 6over4 tunneling, where must indirect static routes be configured?

  A. On the CEs only.

  B. On the PEs only.

  C. On only the branch office CE.

  D. On both the CEs and PEs.

  Correct Answer: B

• Question 110:

  Which function or component of the Alcatel-Lucent 7750 SR is in charge of supporting dynamic routing protocols and constructing the routing table?

  A. IOM

  B. CPM

  C. FIB

  D. SPF

  Correct Answer: B