CompTIA Network+ certification JK0-023 Dumps in PDF

Free CompTIA JK0-023 Real Questions (page: 13)


Which of the following differentiates a layer 3 switch from a layer 2 switch?

A. Routing
B. Bridging
C. Switching
D. Repeating

Answer(s): A

Joe, a technician, has identified a problem, established and confirmed a theory, and has attempted to resolve the problem. Joe, however, does not appear to have the rights to make the needed changes. Which of the following should he do NEXT?

  1. Re-establish a new theory.
  2. Gather more information.
  3. Establish a plan of action.
  4. Escalate the problem.

Answer(s): D




Which of the following differentiates a layer 3 switch from a layer 2 switch?

A. Routing
B. Bridging
C. Switching
D. Repeating

Answer(s): A

Which of the following is considered a routing metric?

  1. Hop count
  2. QoS
  3. Subnet size
  4. IP address

Answer(s): A




Which of the following differentiates a layer 3 switch from a layer 2 switch?

A. Routing
B. Bridging
C. Switching
D. Repeating

Answer(s): A

STP prevents which of the following problems?

  1. Collision domains
  2. Switching loops
  3. Broadcast storms
  4. Routing loops

Answer(s): B




Which of the following differentiates a layer 3 switch from a layer 2 switch?

A. Routing
B. Bridging
C. Switching
D. Repeating

Answer(s): A

A home user states during a basement remodel, one of the workers cut the network cable that goes from the modem to the WAP and nothing else has changed. According to the network troubleshooting methodology, which of the following is the NEXT step?

  1. Identify the problem
  2. Question the user
  3. Establish a plan of action
  4. Establish a theory of probable cause

Answer(s): C




Which of the following differentiates a layer 3 switch from a layer 2 switch?

A. Routing
B. Bridging
C. Switching
D. Repeating

Answer(s): A

Which of the following assists a network administrator in reverse engineering malware and viruses?

  1. Virtual switches
  2. Virtual machines
  3. VLANs
  4. IDS

Answer(s): B



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8/22/2023 5:30:00 AM

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