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  1. Home
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  3. JK0-023

CompTIA JK0-023 Exam (page: 30)
CompTIA Network+ certification
Updated on: 31-Mar-2026

Viewing Page 30 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

The BEST way to determine the next hop of a packet is to check the:

  1. link state
  2. routing table
  3. routing metrics
  4. convergence

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

The APIPA address 169.254.10.123 falls into which of the following class of addresses?

  1. A
  2. B
  3. C
  4. D

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 consultant arrives at a customer's site to troubleshoot their email server. The server is running a Linux operating system, but the consultant is only familiar with Windows operating systems. Which of the following troubleshooting steps should the consultant take?

  1. Document findings
  2. Identify the problem
  3. Escalate the problem
  4. Establish a plan of action

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 exterior routing protocols uses an algorithm to determine the quickest route to a destination?

  1. RIP
  2. OSPF
  3. BGP
  4. RIPv2

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

After a new firewall is installed, users report that they do not have connectivity to the Internet. The output of the ipconfig command shows an IP address of 169.254.0.101. Which of the following ports would need to be opened on the firewall to allow the users to obtain an IP address? (Select TWO).

  1. UDP 53
  2. UDP 67
  3. UDP 68
  4. TCP 53
  5. TCP 67
  6. TCP 68

Answer(s): B,C



Viewing Page 30 of 193



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