Free 4A0-101 Exam Braindumps
4A0-101 Alcatel-Lucent Interior Routing Protocols and High Availability Questions 20–21 (page: 12)

Updated On: 9-Feb-2026

Click the exhibit button.



The following command sequence is executed on router R2:

• A:R2# configure router ospf router-id 10.10.10.99
• A:R2# configure router router-id 10.10.10.66

On router R1, what router ID appears for router R2 directly after these commands are executed?

  1. 10.10.10.99
  2. 10.10.10.66
  3. 10.10.10.2
  4. 10.10.10.1

Answer(s): C



What are the three databases maintained by a Link State Protocol?

  1. Neighbor, adjacency, route table
  2. Neighbor, topology, forwarding
  3. Topology, routing, forwarding
  4. There are only two databases: adjacency and topology

Answer(s): B



Refer to the exhibit below. IS-IS IPv6 routing is configured in the network with globally routed addresses as shown. How many routes will R4 have in its IPv6 route table?

  1. 1
  2. 2
  3. 3
  4. 4
  5. 6
  6. 7

Answer(s): B



In an OSPF Hello packet, which of the following fields must match for all neighbor routers on the segment? Choose three answers.

  1. Area ID W B.
  2. Hello and Dead intervals PC.
  3. Stub flag
  4. Checksum values
  5. The list of neighbors

Answer(s): A,B,C



Which of the statements below best describes the pseudonode in an IS-IS network?

  1. The DIS creates a logical node to represent a group of routers on the same non-broadcast network; this node is the pseudonode
  2. The DIS creates a logical node to represent the topological database of the backbone network in an IS-IS network; this node is the pseudonode
  3. The DIS creates a logical node to represent a broadcast sub-network; this node is the pseudonode
  4. The DIS creates a logical node to represent the complete topology of an IS-IS area; this node is the pseudode

Answer(s): C



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