Free 4A0-103 Exam Braindumps
Nokia Multiprotocol Label Switching Questions 111–115 (page: 24)

Updated On: 9-Feb-2026

Click on the exhibit.


Router R2 advertises an OSPF summary route 10.10.10.0/24 into Area 1. Router R3 receives labels for individual FECs 10.10.10.2/32 and 10.10.10.4/32. These two FECs are installed in router R3's LIB but not in the LFIB. What needs to be done on router R3 to install these labels into its LFIB?

  1. Disable route summarization on router R3.
  2. Enable LDP aggregate prefix match.
  3. Create an import policy to accept 10.10.10.2/32 and 10.10.10.4/32.
  4. Disable LDP exact match on 10.10.10.2/32 and 10.10.10.4/32.

Answer(s): B



Click on the exhibit.


This policy is applied as an LDP export policy. In addition to the FECs learned from its neighbors, which FECs now appear in the router's LIB?

  1. Local FECs not included in the 192.168.1.0/24 address space and the system IP FEC.
  2. Only the system IP FEC appears in the LI
  3. Any local FECs, except those with a 24-bit mask.
  4. Local FECs in the 192.168.1.0/24 address space.

Answer(s): A



Which of the following are the default settings for the Alcatel-Lucent 7750 SR when using LDP?

  1. Per-platform label space, conservative retention mode
  2. Per-interface label space, conservative retention mode
  3. Per-platform label space, liberal retention mode
  4. Per-interface label space, liberal retention mode

Answer(s): C



Which of the following about T-LDP is FALSE?

  1. Link-based and T-LDP sessions may be configured on the same LSR.
  2. T-LDP supports sessions between non-directly connected devices.
  3. T-LDP can be configured between directly connected devices.
  4. T-LDP Hello messages are sent to a multicast address.

Answer(s): D



Which of the following LDP message categories is UDP-based?

  1. Notification
  2. Session
  3. Discovery
  4. Advertisement

Answer(s): C



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