Free CompTIA JK0-023 Exam Braindumps (page: 43)

Which of the following BEST describes how a layer 2 switch functions?

  1. Switches packets within the same subnet based on MAC addresses
  2. Switches packets between different subnets based on IP addresses
  3. Switches packets between different subnets based on MAC addresses
  4. Switches packets within the same subnet based on IP addresses

Answer(s): A



Hubs are differentiated from switches in that between the two, only hubs have:

  1. A single collision domain.
  2. A single broadcast domain.
  3. Multiple collision domains.
  4. Multiple broadcast domains.

Answer(s): A



Which IEEE protocol is used with VLAN technology?

  1. 802.11a
  2. 802.11b
  3. 802.1m
  4. 802.1q

Answer(s): D



Lisa, a network technician, has determined that the initial theory of probable cause was incorrect. Which of the following would be the NEXT step in the troubleshooting process?

  1. Implement the solution
  2. Establish a plan
  3. Document findings
  4. Escalate the issue

Answer(s): D






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