4A0-101

4A0-101 practice questions, page 8 of 13, with answer review and explanations.

Question 36

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

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

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. Routers R1 and R2 are in different areas.
  2. Routers R1 and R2 are in the same area.
  3. 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. 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. Routers R1 and R2 will send a Level 1/2 Hello PDU if the interface type between them is broadcast.

Question 38

Which of the following is an optional parameter when configuring IS-IS protocol on a router?

  1. Configure IS-IS interfaces
  2. Enable IS-IS
  3. Configure level capabilities
  4. Specify an area address

Question 39

Which of the following features are supported by IS-IS? Choose three answers.

  1. PDU authentication.
  2. The ability to customize the link cost metric.
  3. Use of Bellman-Ford routing algorithm.
  4. Classless routing.
  5. Updates sent as layer 3 multicast.

Question 40

Which of the following statements regarding IS-IS LSPs is true?

  1. There are three types of LSPs: L1, L2 and L1/L2.
  2. An LSP packet contains the ATT bits and the IS-type bits.
  3. The lower the LSP sequence number, the more current the update.
  4. Separate databases are maintained for L1 „ L2, and L1/L2 LSPs.