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Free 4A0-105 Exam Braindumps
4A0-105 Virtual Private LAN Services Questions 6–10 (page: 3)

Updated On: 9-Feb-2026
Page 3 of 40
PDF with 193 Questions

Fill in the blank for this next sentence. Flooded traffic received on any ____________ in the service is replicated to other spoke SDPs and SAPs and not transmitted on any mesh SDPs.

  1. Spoke SDP -
  2. Either (a) or (b) will make this sentence true.
  3. Mesh SDP
  4. Neither (a) nor (b) will make this sentence true.

Answer(s): B



Port 1/1/1 has been configured as an access port with QinQ encapsulation. Which of the following three statements are true for ingress traffic assuming default configuration? (Choose 3)

  1. sap 1/1/1:*.0 is a valid sap id.
  2. sap 1/1/1:100* will accept frames with a single tag of 100.
  3. sap 1/1/1:200* will strip the top tag of 200 and the bottom tag will be transparently passed.
  4. sap 1/1/1:0* will accept all untagged frames.
  5. sap 1/1/1:0* will accept any tagged frames.

Answer(s): B,C,D



Which of the following statements relating to VPLS is false?

  1. A VPLS is a multipoint Layer 2 service.
  2. A VPLS allows multiple customer sites to be connected in a single bridged domain.
  3. A VPLS on a single node requires a SDP.
  4. With an IP/MPLS infrastructure, service providers can provide multiple VPLS services over a common IP/MPLS infrastructure.
  5. The VPLS switches traffic based on MAC address associated to the appropriate SAP.

Answer(s): C



Click on the exhibit below.


Assume the port on CE-A is sending two tags, a top tag of 100 and a bottom tag of 500. PE-A is configured with a SAP id of 1/1/1:100.*. How should PE-B be configured if CE-B is expecting a top tag of 200 and a bottom tag of 500?

  1. PE-B will require a SAP id of "sap 1/1/1:500*".
  2. PE-B will require a SAP id of "sap 1/1/1:100*".
  3. PE-B will require a SAP id of "sap 1/1/1:500.200".
  4. PE-B will require a SAP id of "sap 1/1/1:200*".

Answer(s): D



Which of the following statements is false?

  1. VPLS is a bridged LAN service.
  2. VPLS provides L2 VPN services to CEs.
  3. VPLS is a point-to-point service where CEs are presented with point-to-point virtual circuits.
  4. CEs that are members of the same VPLS service instance communicate with each other as if they are connected via a bridged LAN.

Answer(s): C



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