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Updated: Oct 24, 2026
No. of Questions: 995 Questions & Answers with Testing Engine
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JK0-023 Online Engine
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JK0-023 Self Test Engine
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CompTIA JK0-023 Exam Overview:
| Certification Vendor: | CompTIA |
|---|---|
| Exam Name: | CompTIA Network+ |
| Exam Number: | JK0-023 (Network+) |
| Passing Score: | 720 (on a scale of 100–900) |
| Exam Price: | Approximately USD $350-399 (voucher price varies by region / provider) |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | Up to 90 |
| Available Languages: | Spanish, English, Portuguese, German, Japanese |
| Related Certifications: | CompTIA Security+ CompTIA A+ |
| Certificate Validity Period: | Certification valid for 3 years after passing |
| Exam Format: | Performance-based, Multiple choice |
| Sample Questions: | CompTIA JK0-023 Sample Questions |
| Exam Way: | Administered by Pearson VUE; available onsite at test centers or online proctored |
| Pre Condition: | Recommended: CompTIA A+ certification and 9–12 months of networking experience |
| Official Syllabus URL: | https://www.comptia.org/en-us/certifications/network |
CompTIA JK0-023 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Operations | 20% | - Change, configuration and lifecycle management - Network documentation and monitoring |
| Topic 2: Network Security | 18% | - Securing wired and wireless networks - Security concepts and threat mitigation |
| Topic 3: Network Architecture | 22% | - OSI model and network standards - Network topology and architecture basics |
| Topic 4: Industry Standards, Practices and Network Theory | 16% | - Fundamental network theory and standards - Best practices in networking environments |
| Topic 5: Troubleshooting | 24% | - Network troubleshooting methodology - Using tools to diagnose connectivity issues |
CompTIA Network+ certification Sample Questions:
A network technician configures a firewall to block only certain IP addresses from accessing the Internet. All users are reporting that they are unable to access the Internet. Which of the following is the MOST likely reason?
- A. All protocols are being allowed in
- B. Incorrectly configured ACL
- C. Implicit allow statement
- D. SMTP requests are being denied
Correct Answer: B 🗳️
Kim, a user, cannot access the network using wireless. Which of the following is MOST likely the cause?
- A. TXRX is reversed
- B. Incorrect WEP key
- C. Faulty crossover cable
- D. A short in the cable pairs
Correct Answer: B 🗳️
A Chief Executive Officer (CEO) decided that only a limited number of authorized company workstations will be able to connect to the Internet. Which of the following would BEST accomplish this goal?
- A. Install and configure IDS
- B. Enable RAS on the network firewall
- C. Use content filtering
- D. Enable MAC address filtering
Correct Answer: D 🗳️
Which of the following wireless parameters may need to be modified when a new cordless telephone is installed?
- A. SSID
- B. Channel
- C. Encryption type
- D. IP address
Correct Answer: B 🗳️
A user snapped the retention tab off of a network cable. Which of the following tools would Jeff, a technician, use to replace the RJ-45 connector?
- A. Wire tester
- B. Multimeter
- C. Crimper
- D. Punch down
Correct Answer: C 🗳️
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