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Home Alcatel-Lucent 4A0-101

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

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Question #31
Which of the following OSPF area types are supported by the Alcatel- Lucent 7750 SR? Choose two answers.
  1. A
    Not so stubby areas
  2. B
    Level1 area WC
  3. C
    Stub areas
  4. D
    Partially stubby areas
  5. E
    Level 2 areas

Correct Answer:
AC

Question #32
If OSPF is used in a multi-area OSPF network, which of the following statements regarding route summarization is true?
  1. A
    Manual route summarization can only be done on autonomous system border routers.
  2. 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.
  3. C
    Manual route summarization is done on the ABRs. By default, automatic summarization is done; however, it may not be optimal for all networks.
  4. 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 #33
Click the exhibit button.

The OSPF packets shown have been exchanged between two neighbors. What state is the OSPF adjacency in?
  1. A
    The adjacency state is two way because both routers have received a database description packet.
  2. B
    The adjacency is in the exchange state. The next step is to exchange link state request and link state update packets.
  3. C
    The adjacency is in the ex start state. The routers have exchanged database description packets, but still have to negotiate the starting sequence number.
  4. D
    The adjacency state is full. The routers are exchanging database description packets to notify each other that all link state advertisements have been received.

Correct Answer:
C

Question #34
Which of the following best describes the type of packets used by OSPF routers to exchange updates on a point-to-point link?
  1. A
    IP packets sent to an IP multicast address.
  2. B
    TCP packets sent to an IP multicast address.
  3. C
    IP packets sent to an IP unicast address.
  4. D
    UDP packets sent to an IP multicast address.

Correct Answer:
A

Question #35
Which of the following statements best describes an OSPF type 3 LSA?
  1. A
    An OSPF type 3 LSA is an intra-area LSA, generated by the ABR only when route summarization is configured.
  2. B
    An OSPF type 3 LSA is an inter-area LSA, generated by the ABR only when route summarization is configured.
  3. C
    An OSPF type 3 LSA is an inter-area LSA, generated by an ASBR to describe external routes.
  4. D
    An OSPF type 3 LSA is an inter-area LSA, generated by the ABR to describe a route to neighbors outside the area.

Correct Answer:
D

Question #36
Which of the following types of networks are supported on an Alcatel-Lucent 7750 SR for OSPF? Choose two answers.
  1. A
    Broadcast
  2. B
    Non-broadcast multi-access
  3. C
    Point-to-point
  4. D
    Point-to-multipoint

Correct Answer:
AC

Question #37
If routers R1 and R2 have a Level 1 and Level 2 IS-IS adjacency, which of the following statements is true? Choose two answers.
  1. A
    Routers R1 and R2 are in different areas.
  2. B
    Routers R1 and R2 are in the same area.
  3. C
    Routers R1 and R2 will send a Level 1 Hello PDU and Level 2 Hello PDU, if the interface type between them is point-to-point.
  4. D
    Routers R1 and R2 will send a Level 1 Hello PDU and Level 2 Hello PDU, if the interface type between them is broadcast.
  5. E
    Routers R1 and R2 will send a Level 1/2 Hello PDU if the interface type between them is broadcast.

Correct Answer:
BD

Question #38
Which of the following is an optional parameter when configuring IS-IS protocol on a router?
  1. A
    Configure IS-IS interfaces
  2. B
    Enable IS-IS
  3. C
    Configure level capabilities
  4. D
    Specify an area address

Correct Answer:
C

Question #39
Which of the following features are supported by IS-IS? Choose three answers.
  1. A
    PDU authentication.
  2. B
    The ability to customize the link cost metric.
  3. C
    Use of Bellman-Ford routing algorithm.
  4. D
    Classless routing.
  5. E
    Updates sent as layer 3 multicast.

Correct Answer:
ABD

Question #40
Which of the following statements regarding IS-IS LSPs is true?
  1. A
    There are three types of LSPs: L1, L2 and L1/L2.
  2. B
    An LSP packet contains the ATT bits and the IS-type bits.
  3. C
    The lower the LSP sequence number, the more current the update.
  4. D
    Separate databases are maintained for L1 „ L2, and L1/L2 LSPs.

Correct Answer:
B

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