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  1. Home
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  3. JK0-023

CompTIA JK0-023 Exam (page: 12)
CompTIA Network+ certification
Updated on: 15-Feb-2026

Viewing Page 12 of 193
JK0-023 PDF 1112 Questions

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

Kurt, a user, cannot access any network resources. The technician has determined that the problem is isolated to Kurt, and that there have not been any changes to his workstation or switch port recently. Which of the following steps in the troubleshooting methodology should the technician do NEXT?

  1. Establish a plan of action to resolve the problem.
  2. Implement preventative measures.
  3. Implement the solution or escalate as necessary.
  4. Establish a theory of probable cause.

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 a purpose of a VLAN?

  1. Decreases bandwidth on a network
  2. Segments broadcast traffic
  3. Increases port speed
  4. Allows another connection to the router

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 user is having difficulty connecting a laptop to the company's network via a wireless connection. The user can connect to the network via a wired NIC. The technician thinks the user's wireless NIC has failed. Which of the following network troubleshooting methodology steps should the technician perform NEXT?

  1. Test the theory to determine the cause.
  2. Implement the solution or escalate as necessary.
  3. Establish a plan of action to resolve the problem.
  4. Re-establish new theory or escalate.

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

Zach, a network administrator, wants to separate the network into broadcast domains. Which of the following can he use? (Select TWO).

  1. WAPs
  2. Routers
  3. Patch panels
  4. Hubs
  5. Bridges
  6. VLANs

Answer(s): B,F




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

An IP address is encapsulated at which of the following layers of the OSI model?

  1. Transport
  2. Data link
  3. Network
  4. Application

Answer(s): C



Viewing Page 12 of 193



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