Nokia Nokia Certifications 4A0-C01 Questions & Answers

• Question 841:

  Click the exhibit button.

  

  For the IS-IS network shown, and assuming point-to-point links, what adjacencies will router R1 establish?

  A. L1/L2 adjacency with router R2. L1 adjacency with router R3

  B. L2 adjacency with router R2 L1 adjacency with router R3

  C. L1/L2 adjacency with router R2 L1/L2 adjacency with router R3

  D. L1/L2 adjacency with router R2. L1 adjacency with router R4 L1 adjacency with router R3

  Correct Answer: B

• Question 842:

  Which of the following commands can be used to display the number of SPF computations that have been performed on a router?

  A. show router ospf area

  B. show router ospf neighbor

  C. show router ospf interface

  D. show router ospf status

  Correct Answer: A

• Question 843:

  Which of the following conditions will prevent an OSPF adjacency from reaching the full state? Choose three answers.

  A. MTU mismatch

  B. Incorrect subnet mask

  C. System interface not included in OSPF

  D. Area ID not the same

  E. Different metric set on each end of the link

  F. Router ID not defined

  Correct Answer: ABD

• Question 844:

  Select the answer below that correctly lists the 5 different OSPF packet types.

  A. Hello, Link State Update, Link State Packet, Link State Acknowledgement, Database Descriptor

  B. Link State Update, Link State Refresh, Link State Acknowledgement, Database Descriptor, Notification

  C. Hello, Link State Refresh, Link State Update, Link State Acknowledgement, Link State Authentication

  D. Hello, Link State Update, Link State Request, Link State Acknowledgement, Database Descriptor

  Correct Answer: D

• Question 845:

  Graceful Restart is supported by what IGPs?

  A. RIPv1 and RIPv2

  B. OSPF

  C. IS-IS

  D. BGP

  Correct Answer: BC

• Question 846:

  What is the default priority value used for electing the DR on an Alcatel-Lucent 7750 SR running OSPF on an Ethernet?

  A. Priority of 0

  B. Priority of 1

  C. Priority of 64

  D. Priority of 255

  Correct Answer: B

• Question 847:

  In an IP datagram, which of the following fields 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 848:

  Click the exhibit button.

  

  If router R2 redistributes the IS-IS route to 192.168.3.0/24 into OSPF, router R3 preference of these two routes? Choose two answers.

  A. The OSPF internal preference

  B. The IS-IS Level 1 internal preference

  C. The IS-IS Level 2 internal preference

  D. The OSPF external preference

  E. The IS-IS Level 2 external preference

  F. The IS-IS Level 1 external preference

  Correct Answer: BD

• Question 849:

  Click the exhibit button.

  

  In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Which of the following statements regarding the OSPF LSAs in the network is true?

  A. Router R1 generates a type 5 LSA that is flooded through all OSPF areas.

  B. Router R1 generates a type 7 LSA that is flooded through all OSPF areas.

  C. Router R1 generates a type 5 LSA that is flooded through area 1. Router R2 generates a type 7 LSA that is flooded through areas 0 and 2.

  D. Router R1 generates a type 7 LSA that is flooded through area 1. Router R3 generates a type 5 LSA that is flooded through areas 0 and 2.

  Correct Answer: D

• Question 850:

  Which of the following is NOT a characteristic of RIPv1?:

  A. 30 second network updates

  B. Classless routing

  C. Broadcast advertisement

  D. Poison Reverse

  Correct Answer: B