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Free 4A0-105 Exam Braindumps
4A0-105 Virtual Private LAN Services Questions 71–75 (page: 16)

Updated On: 9-Feb-2026
Page 16 of 40
PDF with 193 Questions

To reduce the amount of flooding between PE devices which of the following steps should be taken?

  1. Configure the local age timer to be larger.
  2. Configure the local age timer to be lower.
  3. Configure the remote age timer to be larger.
  4. Configure the remote age to be lower.

Answer(s): C



Which of the following is a true statement?

  1. In a dynamic environment where MAC addresses are changing rapidly, the lower the age-time, the larger the fdb-table-size should be.
  2. In a dynamic environment where MAC addresses are changing rapidly, the higher the age-time, the larger the fdb-table-size should be.
  3. In a dynamic environment where MAC addresses are changing rapidly, the higher the age-time, the smaller the fdb-table-size should be.
  4. There is no relationship between the age-time and the fdb-table-size.

Answer(s): B



Which of the following OAM tools can be used as a VPLS topology discovery mechanism (Choose 2)?

  1. oam mac-ping
  2. oam mac-populate
  3. oamsvc-ping
  4. oam mac-trace

Answer(s): A,D



Click on the exhibit below.


In the following diagram, traffic ingressing on SAP 1/2/3:1 will be passed to the layer-2 DPI device for inspection based on a filter policy applied to the ingress of the SAP. What feature should be enabled on SAP 1/2/1:100 and SAP 1/2/2:100 to ensure that incorrect information is not populated in the FDB of VPLS 1?

  1. Learning should be disabled on both SAPs connected to the DPI device to prevent FDB instability
  2. A MAC filter should be applied to both SAPs connected to the DPI to limit MAC learning on the port
  3. An IP filter should be applied to both SAPs connected to the DPI to prevent FDB instability
  4. The SAPs connected to the DPI should be configured with the "discard-unknown" feature to limit MAC learning on the port

Answer(s): A



How many designated ports are there in a spanning tree topology?

  1. The same as the number of alternate ports in the topology
  2. 1 per segment
  3. The same as the number of root ports
  4. 1 per switch

Answer(s): B



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