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Home Alcatel-Lucent 4A0-101

Alcatel-Lucent 4A0-101 Exam Practice Questions (P. 5)

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Question #41
Which of the following statements regarding the IS-IS CSNP is false?
  1. A
    CSNPs are used to maintain consistency in the link state database.
  2. B
    CSNPs are advertised before an adjacency is formed with another router.
  3. C
    There are two types of CSNPs: Level 1 and Level 2.
  4. D
    CSNPs are advertised after an adjacency is formed with another router.

Correct Answer:
B

Question #42
Click the exhibit button.

In the IS-IS network shown, router R1 has been configured to summarize network 20.20.1.0/24 and 20.20.2.0/24 as 20.20.0.0/16. Which router's routing table will be reduced compared to the routing table before the summarization?
  1. A
    Router R1
  2. B
    Router R2
  3. C
    Routers R1 and R2
  4. D
    Router R4

Correct Answer:
B

Question #43
What value should the AFI be set to for locally administered addressing?
  1. A
    1
  2. B
    49
  3. C
    47
  4. D
    45
  5. E
    39

Correct Answer:
B

Question #44
Click the exhibit button.

For the IS-IS network shown, and assuming point-to-point links, what adjacencies will router R1 establish?
  1. A
    L1/L2 adjacency with router R2. L1 adjacency with router R3
  2. B
    L2 adjacency with router R2 L1 adjacency with router R3
  3. C
    L1/L2 adjacency with router R2 L1/L2 adjacency with router R3
  4. D
    L1/L2 adjacency with router R2. L1 adjacency with router R4

Correct Answer:
B

Question #45
Which of the following are similarities between OSPF and IS-IS? Choose two answers.
  1. A
    Metric is based on hop count.
  2. B
    Slow convergence after link failures.
  3. C
    Support hierarchy through the use of areas.
  4. D
    Support for CIDR.
  5. E
    Link state updates sent using layer 3 multicast.

Correct Answer:
CD

Question #46
Which of the following statements regarding IS-IS Hello packets are true? Choose two answers.
  1. A
    Different types of Hello packets are exchanged on point-to-point networks than on broadcast networks.
  2. B
    L1/L2 Hello packets are exchanged on broadcast links.
  3. C
    Different L1 and L2 Hello packets are exchanged on broadcast links.
  4. D
    By default, Hello packets are sent every 5 seconds, and the timeout to declare a neighbor down is 15 seconds.

Correct Answer:
AC

Question #47
Which of the following types of network topologies are supported by IS-IS on the Alcatel-Lucent 7750 SR? Choose two answers.
  1. A
    Non-broadcast
  2. B
    Broadcast
  3. C
    Point-to-multipoint
  4. D
    Point-to-point

Correct Answer:
BD

Question #48
Click the exhibit button.

What is the state of adjacency?
  1. A
    Initializing
  2. B
    Up
  3. C
    Down
  4. D
    2-Way

Correct Answer:
C

Question #49
At what point is the LSP SRM flag cleared when an LSP is sent on an IS-IS point-to-point link?
Choose two answers.
  1. A
    As soon as the LSP is transmitted.
  2. B
    When an acknowledgment is received in the form of PSNP.
  3. C
    When an older LSP is received.
  4. D
    When a newer or same aged LSP is received.
  5. E
    Only when a newer LSP is received

Correct Answer:
BD

Question #50
Click the exhibit button.

Given the diagram below, what path will traffic follow from router R6 to router R3, and from router R3 to router R6, if IS-IS is the routing protocol? The numbers beside the links are the metrics for that link.
  1. A
    Router R6 to router R3 will follow (R6-R5-R2-R3). Router R3 to router R6 will follow (R3- R2-R5-R6).
  2. B
    Router R6 to router R3 will follow (R6-R5-R2-R3). Router R3 to router R6 will follow (R3-R4-R2-R5-R6).
  3. C
    Router R6 to router R3 will follow (R6-R5-R2-R3). Router R3 to router R6 will follow (R3-R4-R7-R5-R6).
  4. D
    Router R6 to router R3 will follow (R6-R5-R7-R4-R3). Router R3 to router R6 will follow (R3-R4-R7-R5-R6).

Correct Answer:
C

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