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  3. JK0-023

CompTIA JK0-023 Exam (page: 14)
CompTIA Network+ certification
Updated on: 31-Mar-2026

Viewing Page 14 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 layer 3 switch can move packets between subnets based on which of the following criteria?

  1. 802.1q tag
  2. Port
  3. Application
  4. IP address

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

A technician has spent most of the day replacing a server running DHCP. Some of the users have begun to call the help desk stating that Internet connection stopped working even after rebooting. Upon investigation, the users' PCs with issues all have IP addresses that start with 169.254.x.x. The technician completes the replacement and powers on the new DHCP server. Which of the following is the BEST way to provide the PCs with issues a new IP address?

  1. Statically assign a legitimate IP address, and then set the PCs' NICs to DHCP
  2. Inform each user to replace 169.254 with 192.168
  3. Wait five minutes until the PC resends a DHCP request
  4. Run netstat on each PC and then reboot into safe mode

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

Jeff, a user, can no longer access the accounting file share, but others are still able to access the share. Which of the following would be the FIRST step in troubleshooting the issue?

  1. Notify senior management of the issue.
  2. Develop a probable cause theory.
  3. Ask Jeff if anything has changed on the system.
  4. Escalate the issue to the vendor.

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 is the MAXIMUM hop count for RIP before the network is considered converged?

  1. 1
  2. 5
  3. 10
  4. 15

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

A user reports that they are unable to connect to the network. Upon further investigation, a
technician notices that the user has an IP address/subnet mask combination of 192.168.204.255/24. The default gateway for the network is 192.168.204.254. Which of the following could the user's IP address be changed to so that they could connect to the network?

  1. 192.168.204.0/27
  2. 192.168.204.1/27
  3. 192.168.204.112/24
  4. 192.168.204.254/24

Answer(s): C



Viewing Page 14 of 193



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