Nokia SRC Certification 4A0-C01 Questions & Answers

• Question 911:

  Which three IS-IS PDU types are used for database synchronization?

  A. Hellos, CSNPs, PSNPs

  B. LSPs. Hellos, CSNPs

  C. LSPs, PSNPs, Hellos

  D. LSPs, CSNPs, PSNPs

  Correct Answer: D

• Question 912:

  Which of the following statements regarding link state protocols are true? (Choose two)

  A. When a router receives updates from its neighbors, it adds them to its link state database, performs an SPF computation, and sends the results to its neighbors.

  B. An SPF computation is done by each router to determine the best path to destination networks. All the best paths determined by the SPF calculation will be seen in the route table.

  C. Each router constructs its own link state database with updates received from neighbors.

  D. An SPF computation is done by each router to determine the best path to destination networks. All the best paths determined by the SPF calculation will be offered to the route table manager.

  Correct Answer: CD

• Question 913:

  Which one of the following is a valid IPv6 multicast address?

  A. ff00::1:2

  B. fe80::216:4dff:fe13:5cae

  C. ::ffff:0:0.240.0.0.1

  D. 2001:db8::30a:216:4dff:fe13:5cae

  E. fd01:2234:5678::1

  Correct Answer: A

• Question 914:

  When configuring a filter, where should the most explicit entries be placed?

  A. At the bottom

  B. In the middle

  C. At the top

  D. It does not matter where they are placed.

  Correct Answer: C

• Question 915:

  NSSA LSA packets are what type within an NSSA area, and are converted to what other type at the ABR?

  A. They are type 7 within the area and are not modified at the ABR

  B. They are type 5 within the area and converted to type 3 at the ABR

  C. They are type 5 within the area and are not modified at the ABR

  D. They are type 7 within the area and converted to type 5 at the ABR

  Correct Answer: D

• Question 916:

  If a Router originates a type 1 router LSA with the E bit set what types of areas can it belong to? Select all that apply.

  A. Not So Stubby Area

  B. Stub Area

  C. Backbone Area

  D. Standard Area

  Correct Answer: ACD

• Question 917:

  What is the default preference value for a static route in the Alcatel-Lucent 7750 SR router?

  A. 0

  B. 5

  C. 10

  D. 15

  Correct Answer: B

• Question 918:

  Which of the following correctly lists the 5 OSPF packet types?

  A. Hello, link state update, link state packet, link State acknowledgement, database description.

  B. Link state update, link state refresh, link state acknowledgement, database description, 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 description.

  Correct Answer: D

• Question 919:

  If OSPF is used in a multi-area OSPF network, which of the following statements regarding route summarization is true?

  A. Manual route summarization can only be done on autonomous system border routers.

  B. Manual route summarization must be done on all the backbone routers to be effective. Manual route summarization is optional on the routers in non-backbone areas.

  C. Manual route summarization is done on the ABRs. By default, automatic summarization is done; however, it may not be optimal for all networks.

  D. Manual route summarization is done on the ABRs. By default, no route summarization is done and all routes are advertised to all areas.

  Correct Answer: D

• Question 920:

  Which of the following OSPFv3 LSAs have an AS scope?

  A. Link Local LSA

  B. Router LSA

  C. Network LSA

  D. Inter-Area Router LSA

  E. Intra-Area Prefix LSA

  F. None of the above LSAs have an AS scope.

  Correct Answer: F