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Alcatel-Lucent 4A0-101 Exam
4A0-101 Alcatel-Lucent Interior Routing Protocols and High Availability (Page 6 )

Updated On: 1-Feb-2026
Page 6 of 37
PDF with 315 Questions

An operator configures an Alcatel-Lucent 7750 SR with a loopback interface and IPv6 address. The operator then configures a routing policy to redistribute the loopback prefix into OSPFv3. What type of LSA is used to advertise the route to other OSPFv3 routers in the same area?

  1. Router LSA
  2. AS External LSA
  3. Intra-Area Prefix LSA
  4. Inter-Area Prefix LSA
  5. Network LSA
  6. None of the statements are correct.

Answer(s): B



What are some of the characteristics of Alcatel-Lucent's implementation of non-stop routing? (Choose two)

  1. No protocol extensions required
  2. Only supported by OSPF and IS-IS
  3. Transparent to routing neighbors
  4. Uses Graceful Restart to inter-operate with other vendors

Answer(s): A,C



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

  1. IP packets sent to an IP multicast address.
  2. Ethernet frames sent to an Ethernet 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 best describes how IS-IS routers exchange updates on an Ethernet interface?

  1. IS-IS routers exchange updates by sending UDP packets to a multicast address.
  2. IS-IS routers exchange updates using IP multicast packets.
  3. IS-IS routers exchange updates using Ethernet multicast packets.
  4. IS-IS routers exchange updates by sending packets to the subnet broadcast address.

Answer(s): C



What acts as the tie breaker on an Alcatel-Lucent 7750 SR if the priorities are the same when IS-IS is electing a DIS?

  1. The system ID
  2. The loopback address
  3. The sequence number of the hello packet
  4. The device that first initiated communication becomes the DIS

Answer(s): A



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