Free 4A0-105 Exam Braindumps (page: 20)

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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



Click on the exhibit below.


Which ports will become root ports? (Choose 3)

  1. Bridge B 1/1/3
  2. Bridge B 1/1/2
  3. Bridge C 1/1/2
  4. Bridge C 2/1/1
  5. Bridge D 1/1/1
  6. Bridge D 1/1/3
  7. Bridge E 1/1/1
  8. Bridge E 1/1/3

Answer(s): A,D,F






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