CompTIA JK0-023 Exam (page: 4)
CompTIA Network+ certification
Updated on: 12-Feb-2026

Viewing Page 4 of 193

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 protocols would Kurt, a technician, use to synchronize local date and time of a client workstation to that of a server?

  1. RTP
  2. NTP
  3. TFTP
  4. ARP

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

Which of the following is the minimum subnet mask to allow 172.16.1.5 and 172.16.4.3 to be on the same subnet?

  1. /19
  2. /21
  3. /22
  4. /24

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 network technician is troubleshooting a user's connectivity problem, and has determined a probable cause. The technician is at which step in the troubleshooting methodology?

  1. Verify full system functionality
  2. Identify the problem
  3. Establish a theory
  4. Implement the solution

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

A bridge handles frames at which of the following layers of the OSI model?

  1. Network
  2. Session
  3. Transport
  4. Data Link

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 should be used when throughput to the destination network is a priority?

  1. MTU
  2. Hop count
  3. Reliability of the path
  4. Bandwidth

Answer(s): D



Viewing Page 4 of 193



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