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CompTIA JK0-023 Exam Syllabus Topics:

CompTIA Network+ certification Sample Questions:

1. Kurt, a network technician, has been troubleshooting a connectivity problem in the LAN room. He has diagnosed the problem and implemented a solution. Which of the following would be Kurt's NEXT step?

A) Document findings
B) Establish a plan of action
C) Test the theory
D) Establish a theory

2. Which of the following assists a network administrator in reverse engineering malware and viruses?

A) VLANs
B) Virtual machines
C) Virtual switches
D) IDS

3. A network technician is configuring a wireless network. To avoid interference from other wireless networks in the area, the technician should change which setting?

A) Firewall rule
B) Channel
C) Encryption
D) SSID

4. A technician recently ran a 20-meter section of CAT6 to relocate a control station to a more central area on the production floor. Since the relocation, the helpdesk has received complaints about intermittent operation. During the troubleshooting process, the technician noticed that collisions are only observed on the switch port during production. Given this
information, which of the following is the cause of the problem?

A) Cross talk
B) Speed and duplex mismatch
C) Distance limitation
D) Electromagnetic interference

5. A technician has narrowed down the cause of a problem to two possible sources. Which of the following should the technician do NEXT?

A) Implement a solution for both causes to be sure all possibilities are covered.
B) Establish a plan of action for each.
C) Choose the less likely cause and test to eliminate.
D) Choose the more likely cause and test to confirm.

Solutions: