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Alcatel-Lucent 4A0-105 Exam
4A0-105 Virtual Private LAN Services (Page 7 )

Updated On: 9-Feb-2026
Page 7 of 40
PDF with 193 Questions

Click on the exhibit below.


Based on the output below which of the following statements is true?

  1. This Bridge is furthest from the Root Bridge within the VPLS mesh.
  2. This Bridge is the Root Bridge.
  3. SAP 1/1/1 is an Edge Port.
  4. This Bridge is closest to the Root Bridge within the VPLS mesh.

Answer(s): D



How can one ensure that a specific switch will be select as root in an STP network?

  1. Set the bridge priority to 131071.
  2. Set the bridge priority to 0.
  3. Set the bridge priority to 32768.
  4. Leave the bridge priority as the default.

Answer(s): B



In RSTP, an alternate port is on the same switch as a designated Port.

  1. TRUE
  2. FALSE

Answer(s): B



Two management VPLSs have been created. mVPLS 1 and mVPLS 2. Two user VPLS services exist. uVPLS 10 and uVPLS 20. What command can be used to determine which management VPLS is managing uVPLS 10?

  1. show stp 10
  2. show service vpls 1 stp
  3. show service id 10 stp
  4. show service id 1 stp or show service id 2 stp

Answer(s): C



How do user VPLSs become associated with a management VPLS for redundant spoke-sdp connections?

  1. The association must be defined in the user VPLS service.
  2. The association is done when the user VPLS is associated with the same sdp-id in the management VPLS
  3. The association is based on service IDs.
  4. The association is based on customer IDs.

Answer(s): B






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