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Free 4A0-113 Exam Braindumps
Nokia OSPF Routing Protocol Questions 31–35 (page: 8)

Updated On: 9-Feb-2026
Page 8 of 22
PDF with 103 Questions

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The OSPF packets shown have been exchanged between two neighbors. What state is the OSPF
adjacency in?

  1. The adjacency state is two way because both routers have received a database description packet.
  2. The adjacency is in the exchange state. The next step is to exchange link state request and link state update packets.
  3. 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. The adjacency state is full. The routers are exchanging database description packets to notify each other that all link state advertisements have been received.

Answer(s): C



Which of the following best describes the type of packets used by OSPF routers to exchange updates on a point-to-point link?

  1. IP packets sent to an IP multicast address.
  2. TCP packets sent to an IP multicast address.
  3. IP packets sent to an IP unicast address.
  4. UDP packets sent to an IP multicast address.

Answer(s): A



Which of the following statements best describes an OSPF type 3 LSA?

  1. An OSPF type 3 LSA is an intra-area LSA, generated by the ABR only when route summarization is configured.
  2. An OSPF type 3 LSA is an inter-area LSA, generated by the ABR only when route summarization is configured.
  3. An OSPF type 3 LSA is an inter-area LSA, generated by an ASBR to describe external routes.
  4. An OSPF type 3 LSA is an inter-area LSA, generated by the ABR to describe a route to neighbors outside the area.

Answer(s): D



Which of the following types of networks are supported on an Nokia 7750 SR for OSPF? Choose two answers.

  1. Broadcast
  2. Non-broadcast multi-access
  3. Point-to-point
  4. Point-to-multipoint

Answer(s): A,C



Which of the following are similarities between OSPF and IS-IS? Choose two answers.

  1. Metric is based on hop count.
  2. Slow convergence after link failures.
  3. Support hierarchy through the use of areas.
  4. Support for CIDR.
  5. Link state updates sent using layer 3 multicast.

Answer(s): C,D



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