Nokia Nokia Certifications 4A0-C01 Questions & Answers

• Question 61:

  What type of OSPFv3 LSA is shown?

  

  A. Router LSA

  B. Network LSA

  C. Inter-Area LSA

  D. Link LSA

  Correct Answer: B

• Question 62:

  What event causes an OSPF adjacency to change from 'down' to 'two way'?

  A. The router receives a link-state update in response to a link-state request.

  B. The router receives a hello packet from its neighbor that contains its own router ID in the neighbor list.

  C. The router receives a database description packet from its neighbor.

  D. The router receives a link-state acknowledgment in response to a link-state update.

  Correct Answer: B

• Question 63:

  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 in router R1's routing table.

  

  A. 0

  B. 1

  C. 2

  D. 3

  E. 4

  Correct Answer: B

• Question 64:

  Router R2 learns the networks shown from IS-IS. Router R2 is configured to redistribute routes from IS-IS to OSPF as shown. How many OSPF Type 5 LSAs will router R1 receive from router R2? Assume the OSPF and IS-IS adjacencies are operational.

  

  A. 0

  B. 1

  C. 2

  D. 3

  E. 4

  Correct Answer: D

• Question 65:

  IS-IS IPv6 routing is configured in the network with globally routed addresses as shown. How many routes will router R4 have in its IPv6 route table?

  

  A. 1

  B. 2

  C. 3

  D. 4

  E. 6

  F. 7

  Correct Answer: B

• Question 66:

  In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Assuming that there are no stub or NSSA networks, which of the following statements regarding LSAs is true?

  

  A. Only router R1 will generate Type 4 LSAs.

  B. Only router R3 will generate Type 4 LSAs.

  C. Routers R3 and R6 will generate Type 4 LSAs.

  D. Routers R1, R3 and R6 will generate Type 4 LSAs.

  Correct Answer: C

• Question 67:

  192.168.3.1 is a loopback interface configured into router R2's OSPF area 0. A ping from router R3 to this loopback fails. Which of the following is a possible solution to the problem?

  

  A. Add the "originate-default-route" option in the NSSA area configuration on router R3.

  B. Add the "summaries" option to the NSSA area configuration on router R1.

  C. Configure a static route on router R1 to 192.168.3.1.

  D. Configure a default route on router R2.

  Correct Answer: B

• Question 68:

  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 69:

  Given the contents of the LSPs from routers R1 and R2, which of the following is true?

  

  A. Router R1 summarizes the prefixes from router R3 as 192.168.0.0/16 and router R2 does not summarize the prefixes.

  B. Router R1 does not summarize the prefixes from routers R3 and R2 summarizes them as 192.168.0.0/16.

  C. Router R1 summarizes the prefixes from router R3 as 192.168.0.0/20 and router R2 does not summarize the prefixes.

  D. Router R1 does not summarize the prefixes from routers R3 and R2 summarizes them as 192.168.0.0/20.

  E. Both routers R1 and R2 summarize the prefixes from R3 as 192.168.0.0/20.

  F. Neither router R1 nor router R2 summarizes the prefixes from router R3.

  Correct Answer: E

• Question 70:

  Refer to the exhibit.

  

  The routers have established IS-IS adjacencies 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 three LSPs.

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

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

  E. Router R2 has four IS-IS adjacencies and four LSPs.

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

  Correct Answer: C