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4A0-100 Real Exam Questions

Nokia IP Networks and Services Fundamentals

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Question 1 Single choice

On the Nokia 7750 SR, which key displays all command options and their descriptions?

  1. A

    ?

  2. B

    Tab

  3. C

    Space bar

  4. D

    Return

Show answer and explanation

Correct answer: A

Question 2 Single choice

A network with address 208.40.224.0/24 is divided into /28 subnets.

What is the host address range of the fourth subnetwork?

  1. A

    208.40.224.17 ?208.40.224.30

  2. B

    208.40.224.33 ?208.40.224.46

  3. C

    208.40.224.49 ?208.40.224.62

  4. D

    208.40.224.65 ?208.40.224.78

Show answer and explanation

Correct answer: C

Question 3 Single choice

Which of the following best describes a hub?

  1. A

    A device used to connect cables with signal amplification.

  2. B

    A device that receives and replicates data without Layer 2 header inspection.

  3. C

    A device that receives and forwards data based on the MAC destination address.

  4. D

    A device that receives and forwards data based on the Layer 3 destination address.

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Correct answer: B

Question 4 Multiple choice

What are the tasks of the Routing Table Manager (RTM)? Choose two

  1. A

    RTM selects the best route from among multiple routing protocols.

  2. B

    RTM selects the best route using the metric as criteria

  3. C

    RTM sends its best route to all its directly connected neighbors.

  4. D

    RTM installs its best route in the routing table.

Show answer and explanation

Correct answers: A, D

Question 5 Single choice

Which of the following statements about router R3 is TRUE?

  1. A

    Router R3 is the iLER for LSP B.

  2. B

    Router R3 is the eLER for LSP A.

  3. C

    Router R is an LSR for both LSP A and LSP B.

  4. D

    Router R3 is LSR for LSP A and an LER for LSP B.

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Correct answer: C

Question 6 Single choice

Which configuration edit mode does NOT give you access to the global candidate configuration?

  1. A

    Private

  2. B

    Global

  3. C

    Read-only

  4. D

    Exclusive

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Correct answer: C

Question 7 Single choice

How many of the front access card slots of the Nokia 7750 SR-12 router are dedicated for redundant common equipment?

  1. A

    1

  2. B

    2

  3. C

    7

  4. D

    10

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Correct answer: B

Question 8 Single choice

Which of the following routing protocols SHOULD NOT be used between routers R1 and R2?

  1. A

    Static Routing

  2. B

    Default Routing

  3. C

    OSPF

  4. D

    BGP

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Correct answer: C

Question 9 Single choice

Which of the following statements is FALSE when describing a Virtual Private LAN Service?

  1. A

    A VPLS emulates a virtual switch or bridge.

  2. B

    The VPLS performs MAC learning on MAC addresses seen from SAPs and SDPs.

  3. C

    When a VPLS receives a frame with an unknown MAC destination, the frame will be dropped.

  4. D

    MAC address forwarding database (FDB) is maintained for each VPLS.

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Correct answer: C

Question 10 Single choice

What is the next-hop for network 172.16.1.0/24 installed in router 2's routing table?

  1. A

    10.10.10.0

  2. B

    10.10.10.1

  3. C

    10.10.10.2

  4. D

    10.10.10.3

Show answer and explanation

Correct answer: B