Nokia Nokia Certifications 4A0-C01 Questions & Answers

• Question 621:

  Click on the exhibit.

  

  In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Assuming that there are no stub networks, which of the following statements regarding Type 5 LSA generation is TRUE?

  A. Router R1 generates a Type 5 LSA that is flooded to area 1 only.

  B. Router R1 generates a Type 5 LSA that is flooded to areas 1 and 0. Router R6 generates a Type 5 LSA that is flooded to area 2.

  C. Router R1 generates a Type 5 LSA that is flooded to areas 0.1, and 2.

  D. Router R3 generates a Type 5 LSA that is flooded to areas 0 and 2

  E. Type 5 LSAs are not generated in this network topology.

  Correct Answer: C

• Question 622:

  During node protection signaling, the PLR knows the address of the MP from which of the following methods?

  A. The PLR issues a RSVP path message to the destination router to request the address of the MP.

  B. The PLR learns the address of the MP from the ERO.

  C. The PLR learns the address of the MP from the RRO

  D. The PLR learns the address of the MP from the targeted RSVP hello message.

  E. The PLR does not need to know the address of the MP.

  Correct Answer: C

• Question 623:

  Which of the following about 6over4 is FALSE?

  A. The CE routers run only IPv6.

  B. The PE routers must run IPv4 and IPv6.

  C. The P routers must run IPv4 and IPv6.

  D. IPv6 routes on the PE routers may have an IPv4 address as the next hop.

  Correct Answer: C

• Question 624:

  Which OSPFv3 LSA type is similar in function to the OSPFv2 Type 3 LSA?

  A. Link

  B. Intra-Area Prefix

  C. Inter-Area Prefix

  D. Inter-Area Router

  Correct Answer: C

• Question 625:

  In OSPFv3, which of the following LSA types carries prefixes and is only flooded in the area where it is generated?

  A. Link

  B. AS External

  C. Router

  D. Intra-Area Prefix

  Correct Answer: D

• Question 626:

  Which approach to LSP path diversity provides the most control, but the least flexibility?

  A. Administrative Groups

  B. Shared Risk Link Groups

  C. Strict hop LSP paths

  D. Fast reroute

  Correct Answer: C

• Question 627:

  A static route needs to be configured with a next-hop that is NOT directly connected to the router. Which of the following must be TRUE?

  A. The router must also have an active static route to the next-hop specified in the static route command.

  B. The system address of the next-hop router must be included in the static route command.

  C. The command option "indirect" must be used in the static-route command.

  D. The system address of the router connected to the destination must be included in the static route command

  Correct Answer: C

• Question 628:

  Which of the following are functions of the MPLS control plane in a router? (Choose two)

  A. Label allocation and management.

  B. Label swapping.

  C. Pushing a label on an unlabeled packet.

  D. Label signaling.

  E. Routing lookups.

  Correct Answer: AD

• Question 629:

  Click on the exhibit.

  

  If router R2 re-distributes the IS-IS route 192.168.3.0/24 into OSPF, router R3 will receive two routes to 192.168.3.0/24 Assume that all IS-IS routers are L1/L2 capable and are in the same area.

  What will be the preference of the two routes?

  A. OSPF internal preference and IS-IS Level 1 internal preference.

  B. OSPF internal preference and IS-IS Level 1 external preference.

  C. OSPF external preference and IS-IS Level 1 internal preference.

  D. OSPF external preference and IS-IS Level 2 internal preference.

  E. OSPF external preference and IS-IS Level 1 external preference.

  Correct Answer: C

• Question 630:

  Two IS-IS routers are exchanging Hello packets with different authentication types. Which of the following is TRUE?

  A. Different authentication types are not possible because IS-IS only supports password authentication.

  B. An adjacency will not be formed.

  C. The two routers negotiate the authentication type and then reach the up state.

  D. Only an L2 adjacency will form, as long as both routers are L2 capable.

  Correct Answer: B