CompTIA JK0-023 Q&A - in .pdf

  • Exam Code: JK0-023
  • Exam Name: CompTIA Network+ certification
  • Updated: Aug 17, 2026
  • Q & A: 995 Questions and Answers
  • Printable CompTIA JK0-023 PDF Format. It is an electronic file format regardless of the operating system platform.
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CompTIA JK0-023 Q&A - Testing Engine

  • Exam Code: JK0-023
  • Exam Name: CompTIA Network+ certification
  • Updated: Aug 17, 2026
  • Q & A: 995 Questions and Answers
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CompTIA JK0-023 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Network Security18%- Securing wired and wireless networks
- Security concepts and threat mitigation
Topic 2: Troubleshooting24%- Using tools to diagnose connectivity issues
- Network troubleshooting methodology
Topic 3: Network Operations20%- Network documentation and monitoring
- Change, configuration and lifecycle management
Topic 4: Network Architecture22%- OSI model and network standards
- Network topology and architecture basics
Topic 5: Industry Standards, Practices and Network Theory16%- Fundamental network theory and standards
- Best practices in networking environments

CompTIA Network+ certification Sample Questions:

1. A network administrator is looking to implement a solution allowing users to utilize a common password to access most network resources for an organization. Which of the following would BEST provide this functionality?

A) Single sign on
B) Multifactor authentication
C) RADIUS
D) Two-factor authentication


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

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


3. Given a subnet mask of 255.255.255.0, how many usable IP addresses would be in that subnet?

A) 255
B) 250
C) 256
D) 254


4. Which of the following BEST describes the difference between layer 2 switching and layer 2 routing?

A) Both routing and switching move packets between hosts on different subnets, but switching does so at a faster pace.
B) Both routing and switching move packets between hosts on the same subnet, but routing does so at a faster pace.
C) Switching moves packets between hosts on different subnets, and routing moves packets between hosts on the same subnet.
D) Routing moves packets between hosts on different subnets, and switching moves packets between hosts on the same subnet.


5. Which of the following can a technician use when installing a wireless network in a lounge to prevent inappropriate website images?

A) VPN concentrator
B) Load balancer
C) Content filter
D) Proxy server


Solutions:

Question # 1
Answer: A
Question # 2
Answer: A
Question # 3
Answer: D
Question # 4
Answer: D
Question # 5
Answer: C

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