Nokia Nokia Certifications 4A0-C01 Questions & Answers

• Question 771:

  In an OSPF Hello packet, which of the following fields must match for all neighbor routers on the segment? Choose three answers.

  A. Area ID W B.

  B. Hello and Dead intervals PC.

  C. Stub flag

  D. Checksum values

  E. The list of neighbors

  Correct Answer: ABC

• Question 772:

  What is the term used for the updates sent by IS-IS?

  A. Link State PDUs

  B. Link State Updates

  C. Link State Advertisements

  D. Intermediate System Update Packets

  Correct Answer: A

• Question 773:

  Click the exhibit button.

  

  Given the topology and the show commands, and assuming that router R2 advertises all of its loopbacks into OSPF, what is the correct router R1 configuration?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: A

• Question 774:

  Click the exhibit button.

  

  A static route has been configured on router R1 to reach the PC at 139.120.121.2. However, as shown in the exhibit, the ping fails. What is the most likely cause of the problem?

  A. Router R2 does not have a route to the system address of router R1 and therefore cannot respond to the ping.

  B. There is no default route configured on the PC.

  C. Router R2 does not have a route configured to the PC.

  D. Router R1 needs to be configured with a default route.

  Correct Answer: B

• Question 775:

  Click the exhibit button.

  

  Router 2 advertises the network 192.168.3.0/24 to router R1 via IS-IS. How can router R1 ensure that it discards the route?

  A. Use a prefix list on router R1 to discard all ingress IS-IS routes.

  B. Use an export policy and prefix list on router R1.

  C. Use an import policy and a prefix list on router R1.

  D. This is not possible because IS-IS cannot use import policies.

  Correct Answer: D

• Question 776:

  What is the CIDR summary for the block of networks from 193.4532.0/24 to 193.45.47.0/24?

  A. 193.45 32 0/20

  B. 193.45.0.0/21

  C. 192.45.32.0/21

  D. 192.45.0.0/20

  Correct Answer: A

• Question 777:

  A static route is created using the command "static-route 0.0.0.0/0 next-hop 3.3.3.1". What command could be used to test the static route on an Alcatel-Lucent 7750 SR?

  A. Ping static 3.3.3.1

  B. Ping static 0.0.0.0/0

  C. Ping 3.3.3.1

  D. Ping 0.0.0.0

  Correct Answer: C

• Question 778:

  In an IP datagram, which field identifies the receiving application

  A. The protocol field of the transport layer header

  B. The port field of the transport layer header

  C. The protocol field of the network layer header

  D. The port field of the network layer address

  Correct Answer: B

• Question 779:

  How many bytes make up the system ID in an IS-IS NSAP address on the Alcatel-Lucent 7750 SR?

  A. 4 bytes

  B. 6 bytes

  C. 8 bytes

  D. Variably between 4 and 8 bytes

  Correct Answer: B

• Question 780:

  Click the exhibit button A. The route policy should be applied as in import policy

  

  The 192 168 3.0/24 network is learned on router R1 via IS-IS Given the OSPF configuration shown, and assuming that the OSPF adjacency between routers R1 and R3 is up, why is the 192 168.3.0/24 route not in router R3's route table? (Choose two)

  B. The no-redistribute-external command is used on router R1

  C. The route policy is incorrect. It should say "from protocol ISIS" rather than "from protocol direct".

  D. It is not possible to be an ASBR and an NSSA. The ASBR configuration should be removed.

  E. The interface between routers R1 and R3 needs to be in OSPF area 0 rather than OSPF area 1 because a backbone area must always exist.

  Correct Answer: BC