Nokia Nokia Certifications 4A0-C01 Questions & Answers

• Question 721:

  Which OSPFv3 LSA is similar to the OSPFv2 Type 5 LSA?

  A. AS External

  B. Inter-Area Prefix

  C. Inter-Area Router

  D. Intra-Area Prefix

  Correct Answer: A

• Question 722:

  Click on the exhibit.

  

  The route table on router R2 shows the system address of router R5 but it does not show any of the interfaces from the non-OSPF area.

  What may be causing this?

  A. 'asbr' is missing from router R1's configuration.

  B. Router R1 needs to have an export policy added to it.

  C. Router R5 does not have an export policy for these prefixes.

  D. Router R1 needs to have an import policy added to it.

  Correct Answer: C

• Question 723:

  Why does IPv6 not use ARP?

  A. The ARP functionality has been replaced by the Neighbor Discovery protocol.

  B. The ARP functionality is not needed due to the increased IPv6 address space.

  C. ICMPv6 reduced its role to connectivity checking and auto-configuration only.

  D. ICMFV6 replaced the ARP functionality with Multicast Listener Discovery (MLD).

  Correct Answer: A

• Question 724:

  Click on the exhibit.

  

  A static route has been configured on router R1 to reach the PC at 139.120.121.2. What might be causing the ping to fail?

  A. Router R2 needs a static route to the PC.

  B. Router R2 needs a default to router R1.

  C. Router R1 needs a default route to router R2.

  D. The static route should use a next-hop of 172.31.1.2

  Correct Answer: D

• Question 725:

  Which of the following regarding the IS-IS PSNP is FALSE?

  A. PSNPs are used on point-to-point links to acknowledge the receipt of an LSP.

  B. There are three types of PSNPs: Level 1, Level 2, and Level 1/2.

  C. A PSNP lists some of the LSPs in the router's database.

  D. PSNPs are used by an IS-IS router to request LSP information from a neighboring router.

  Correct Answer: B

• Question 726:

  Click on the exhibit.

  

  192.168.3.1 is a loopback interface on router R2 and is distributed to OSPF area 0, but the ping fails from router R3. Which of the following is a possible solution to the problem?

  A. Add "stub no summaries" to the area 1 configuration on router R1.

  B. Add the "originate-default-route" option in the area 1 configuration on router R1.

  C. Add a default static route on router R3.

  D. Include the system interface in the area 1 configuration on router R3.

  E. Add a static route on router R3 to 192.168.3.1.

  Correct Answer: D

• Question 727:

  Two IS-IS L1/L2 routers are in the same area on the same Ethernet segment. One of the routers is the DIS. How many adjacencies will be formed between them?

  A. None

  B. 1

  C. 2

  D. 3

  E. 4

  Correct Answer: C

• Question 728:

  Click on the exhibit.

  

  OSPF is operational on all links in the network diagram, all links have the same cost and all routers are configured with an ECMP value of 4. Router R4 advertises the prefix 192.168.3.0/24 into OSPF.

  How many entries for prefix 192.168.3.0/24 will be l n router R1's routing table?

  A. 0

  B. 1

  C. 2

  D. 3

  E. 4

  Correct Answer: B

• Question 729:

  Which of the following are features of RSVP-TE? Choose three answers.

  A. It supports IGP-based LSPs.

  B. It supports constrained path LSPs.

  C. It does not support loose explicit path LSPs.

  D. It is recommended for use in Traffic Engineering applications.

  E. It cannot be used with facility backup fast reroute.

  Correct Answer: ABD

• Question 730:

  Click on the exhibit.

  

  The routers have an established IS-IS L2 adjacency on which IPv4 system addresses are exchanged. An operator successfully configures multi-topology IS-IS routing so that the IPv6 system addresses are also exchanged between routers.

  After IPv6 has been configured, which of the following is TRUE?

  A. Router R2 has two IS-IS-adjacencies and two LSPs.

  B. Router R2 has two IS-IS-adjacencies and four LSPs.

  C. Router R2 has two IS-IS-adjacencies and three LSPs.

  D. Router R2 has four IS-IS-adjacencies and six LSPs.

  Correct Answer: C