Free 4A0-105 Exam Braindumps
4A0-105 Virtual Private LAN Services Questions 96–100 (page: 21)

Updated On: 9-Feb-2026

Which function of the IEEE 802.1 ag is used for responding to CFM messages but not originating them?

  1. MEP
  2. MAP
  3. MIP
  4. MUP

Answer(s): C



Which of the following statements regarding unicastand multicast frames is true for a traditional layer 2 switch? (Choose 2)

  1. Multicast frames only forward out ports that have a known receiver.
  2. Unicast frames only forward out ports that have a known receiver.
  3. If the FDB is empty, unicast and multicast frames are treated equally.
  4. If the FDB has an entry for the unicast frame, both unicastand multicast are treated equally.

Answer(s): B,C



Click on the exhibit below.

Given the following output what is the most likely reason the SDP binding is operationally down? (Choose 2)

  1. The sdp id is different on the far-end.
  2. LDP is disabled on the far-end.
  3. The vc-id is different on the far-end.
  4. The mesh-sdp is missing on the far-end.
  5. The mesh-sdp is administratively shutdown on PEL
  6. There is an MTU mismatch.

Answer(s): C,D



You are providing a customer two VPLS services in two different Metro networks. VPLS 500 has been configured in Metro 1 and VPLS 900 has been configured in Metro 2. The customer has requested that they have connectivity between the Metro Networks with their existing VPLS services. Which configuration on the PE routers linking the metro networks will allow for VPLS 500 and VPLS 900 to act as a single VPLS service? Assume default values for all VPLS parameters and SDP 999 exists between the metro networks.

  1. Option A
  2. Option B
  3. Option C
  4. Option D

Answer(s): A



Which of the following describes the overhead added to a customer frame on an Ethernet link in a VPLS service on the Alcatel-Lucent 7750 SR?

  1. The overhead consists of 26 bytes. 14 DLC + 2 Ethertype + 8 for mpls labels + 2 for GRE
  2. The overhead consists of 14 bytes for DLC.
  3. The overhead consists of 18 bytes. 14 DLC +4 for mpls labels
  4. The overhead consists of 22 bytes. 14 DLC + 8 for mpls labels

Answer(s): D



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