4A0-101

4A0-101 practice questions, page 10 of 13, with answer review and explanations.

Question 46

Which of the following statements regarding IS-IS Hello packets are true? Choose two answers.

  1. Different types of Hello packets are exchanged on point-to-point networks than on broadcast networks.
  2. L1/L2 Hello packets are exchanged on broadcast links.
  3. Different L1 and L2 Hello packets are exchanged on broadcast links.
  4. By default, Hello packets are sent every 5 seconds, and the timeout to declare a neighbor down is 15 seconds.

Question 47

Which of the following types of network topologies are supported by IS-IS on the Alcatel-Lucent 7750 SR? Choose two answers.

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

Question 48

Click the exhibit button. What is the state of adjacency?

  1. Initializing
  2. Up
  3. Down
  4. 2-Way

Question 49

At what point is the LSP SRM flag cleared when an LSP is sent on an IS-IS point-to-point link? Choose two answers.

  1. As soon as the LSP is transmitted.
  2. When an acknowledgment is received in the form of PSNP.
  3. When an older LSP is received.
  4. When a newer or same aged LSP is received.
  5. Only when a newer LSP is received

Question 50

Click the exhibit button. Given the diagram below, what path will traffic follow from router R6 to router R3, and from router R3 to router R6, if IS-IS is the routing protocol? The numbers beside the links are the metrics for that link.

  1. Router R6 to router R3 will follow (R6-R5-R2-R3). Router R3 to router R6 will follow (R3- R2-R5-R6).
  2. Router R6 to router R3 will follow (R6-R5-R2-R3). Router R3 to router R6 will follow (R3-R4-R2-R5-R6).
  3. Router R6 to router R3 will follow (R6-R5-R2-R3). Router R3 to router R6 will follow (R3-R4-R7-R5-R6).
  4. Router R6 to router R3 will follow (R6-R5-R7-R4-R3). Router R3 to router R6 will follow (R3-R4-R7-R5-R6).