4A0-103

4A0-103 practice questions, page 3 of 10, with answer review and explanations.

Question 11

Click on the exhibit button below. Consider the following: ✑ Routers R1 and R4 are in Area 1. ✑ Routers R4 and R5 in Area 0. ✑ Routers R5 and R3 are in Area 2. To support LDP-over-RSVP tunnels between routers R1 and R3 over path R1-R4-R5-R3, with which routers will router R5 require targeted sessions? (Choose two)

  1. Router R1
  2. Router R4
  3. Router R2
  4. Router R3

Question 12

Which of the following statements best describes downstream unsolicited label distribution?

  1. An LER may answer requests for label mappings immediately, without waiting for a label mapping from the next-hop.
  2. An LER may advertise label mappings to all peers for which it might be a next-hop for a given FEC.
  3. An LER propagates a label mapping downstream for a FEC. only if it has a label mapping for the FEC next-hop.
  4. An LER will only distribute a label for a FEC when it has been requested to do so.

Question 13

In MPLS, labels are distributed in the opposite direction of the data flow.

  1. TRUE
  2. FALSE

Question 14

Click on the exhibit button below. Given the configuration below, what is the system ID of the destination node?

  1. 10.32.1.2
  2. 10.1.478
  3. 1048.1.1
  4. Cannot tell from this configuration
  5. 10.1.2.2

Question 15

Which of the following is defined by the following statement? All label mappings received from all peer LSRs are saved.

  1. Conservative label retention
  2. Liberal label retention.
  3. Downstream on demand.
  4. Downstream unsolicited.