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Updated: Oct 16, 2026
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CompTIA JK0-023 Exam Overview:
| Certification Vendor: | CompTIA |
|---|---|
| Exam Name: | CompTIA Network+ |
| Exam Number: | JK0-023 (Network+) |
| Real Exam Qty: | Up to 90 |
| Available Languages: | Spanish, German, Portuguese, English, Japanese |
| Exam Duration: | 90 minutes |
| Exam Price: | Approximately USD $350-399 (voucher price varies by region / provider) |
| Exam Format: | Performance-based, Multiple choice |
| Passing Score: | 720 (on a scale of 100–900) |
| Related Certifications: | CompTIA A+ CompTIA Security+ |
| Certificate Validity Period: | Certification valid for 3 years after passing |
| 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 Security | 18% | - Security concepts and threat mitigation - Securing wired and wireless networks |
| Topic 2: Network Operations | 20% | - Network documentation and monitoring - Change, configuration and lifecycle management |
| Topic 3: Network Architecture | 22% | - Network topology and architecture basics - OSI model and network standards |
| Topic 4: Industry Standards, Practices and Network Theory | 16% | - Best practices in networking environments - Fundamental network theory and standards |
| Topic 5: Troubleshooting | 24% | - Using tools to diagnose connectivity issues - Network troubleshooting methodology |
CompTIA Network+ certification Sample Questions:
A user reports sporadic network outages. The user tells the administrator it happens after approximately 20 minutes of work on an application. The administrator should begin troubleshooting by checking which of the following?
- A. The DNS resolution time
- B. The patch cable
- C. The firewall's blocked logs
- D. The IDS server logs
Correct Answer: B 🗳️
A network administrator is implementing a wireless honeypot to detect wireless breach attempts. The honeypot must implement weak encryption to lure malicious users into easily breaking into the network. Which of the following should the network administrator implement on the WAP?
- A. WEP
- B. VPN
- C. WPA
- D. WPA2
Correct Answer: A 🗳️
Which of the following would be used on a network to ensure access to resources if a critical host becomes unavailable?
- A. CARP
- B. QoS
- C. DHCP server
- D. VLAN
Correct Answer: A 🗳️
A network technician has been asked to look into a report from the IDS to determine why traffic is being sent from an internal FTP server to an external website. Which of the following tools can be used to inspect this traffic?
- A. Ping and traceroute
- B. Protocol analyzer
- C. Router firewall
- D. Throughput tester
Correct Answer: B 🗳️
Which of the following authentication solutions also provides AAA and uses TCP?
- A. RADIUS
- B. TACACS+
- C. Kerberos
- D. RAS
Correct Answer: B 🗳️
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