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  1. Home
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  3. JK0-023

CompTIA JK0-023 Exam (page: 1)
CompTIA Network+ certification
Updated on: 11-Nov-2025

Viewing Page 1 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

A user reports they are unable to access a file on a mapped network drive. A technician discovers the server where the file is located did not come back online after last night's power outage and manually powers the server back online. The technician then verifies the user can connect to their file. Which of the following troubleshooting steps should the technician do NEXT?

  1. Escalate by following change procedures
  2. Establish a plan of action to resolve the problem
  3. Document findings, actions, and outcomes
  4. Question the user

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

The network interface layer of the TCP/IP model corresponds with which of the following layers of the OSI model? (Select TWO).

  1. Transport layer
  2. Network layer
  3. Session layer
  4. Physical layer
  5. Presentation layer
  6. Data link layer

Answer(s): D,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

The application layer in the TCP/IP model is comparable to which of the following layers in the OSI model?

  1. Layer 2
  2. Layer 5
  3. Layer 6
  4. Layer 7

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 the MOST appropriate to use when routing Internet traffic through multiple ISP connections?

  1. BGP
  2. SNAT
  3. RIP
  4. GPG

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

Which of the following DNS records would be queried to locate a company's mail server?

  1. A
  2. MX
  3. AAAA
  4. CNAME

Answer(s): B



Viewing Page 1 of 193



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