Nokia Nokia Certifications 4A0-101 Questions & Answers

• Question 111:

  Which of the following about IS-IS level hierarchies is FALSE?

  A. Level 2 routers interconnect the Level 1 areas.

  B. There must be a contiguous Level 2 backbone to enable routing throughout the entire network.

  C. Level 1 routers send packets to the nearest L1/L2 router if the destination is in a different area

  D. Level 2 routers store the Level 1 and Level 2 topology information in a single database.

  Correct Answer: D

• Question 112:

  Static routing is to be used in a network between a corporate head office with many connected networks and a branch office with one connection to the head office. Which of the following is the most likely configuration on the head office and branch office routers?

  A. The head office has a default route and the branch office has a specific static route.

  B. The head office and the branch offices both have specific static routes.

  C. The head office and the branch office both have default routes.

  D. The head office has a specific static route and the branch office has a default route

  Correct Answer: D

• Question 113:

  Click on the exhibit.

  

  What type of OSPFv3 LSA is shown?

  A. Router LSA

  B. Network LSA

  C. Intra-Area Prefix LSA

  D. Link LSA

  Correct Answer: A

• Question 114:

  Click on the exhibit.

  

  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 115:

  What type of LSA is used to flood information about prefixes from one OSPF area to other attached areas?

  A. Type 1

  B. Type 3

  C. Type 4

  D. Type 7

  Correct Answer: B

• Question 116:

  Click on the exhibit.

  

  Router R5 is advertising the three loopbacks prefixes shown in OSPFv3. The following command is executed on router R1: R1# configure router ospf3 area 0 area-range FD00:11:11:5000:764.

  Which of the following is TRUE regarding the OSPFv3 LSDB on R6?

  A. Router R6 will have a single Router LSA that describes the summary prefix.

  B. Router R6 will have three Router LSAs - one to describe each loopback prefix.

  C. Router R6 will have a single Inter-Area Prefix LSA to describe the summary prefix.

  D. Router R6 will have three Inter-Area Prefix LSAs - one to describe each loopback prefix.

  E. Router R6 will not have any LSAs to describe the loopback prefix or the summarized prefix.

  Correct Answer: C

• Question 117:

  Click on the exhibit.

  

  Router R2 learns the networks shown from IS-IS. Router R2 is configured to redistribute routes from IS-IS to OSPF as shown. Assume the OSPF and IS-IS adjacencies are operational.

  How many OSPF Type 5 LSAs will router R1 receive from router R2?

  A. 0

  B. 1

  C. 2

  D. 3

  E. 4

  Correct Answer: D

• Question 118:

  A new router is added to a broadcast network. What is used by IS-IS as the tie breaker for selecting the DIS if the priorities are the same?

  A. The router with the highest system ID.

  B. The router with the highest loopback address.

  C. The Hello packet with the highest sequence number.

  D. The existing DIS remains the DIS.

  E. The router with the highest interface MAC address.

  Correct Answer: E

• Question 119:

  Click on the exhibit.

  

  Given the contents of the Router LSA, which of the following best describes the local topology of the router?

  A. The router has a system interface, two point-to-point interfaces and one broadcast interface.

  B. The router has a system interface, two passive interfaces, two point-to-point interfaces and one broadcast interface.

  C. The router has a system interface, two point-to-point interfaces and one virtual link.

  D. The router has a system interface, two passive interfaces, two point-to-point interfaces and one virtual link.

  Correct Answer: A

• Question 120:

  Which of the following best describes the actions taken by an IS-IS router after it receives an LSP on a broadcast interface that is newer than the one in its database?

  A. The router sends a copy of the LSP from its database to its neighbor.

  B. The router updates its database with the LSP and floods a copy to its other neighbors.

  C. The router updates its database with the LSP, acknowledges the LSP with a PSNP and floods a copy to its other neighbors.

  D. The router updates its database with the LSP and acknowledges it with a PSNP.

  Correct Answer: B