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CompTIA JK0-023 Exam Overview:
| Certification Vendor: | CompTIA |
|---|---|
| Exam Name: | CompTIA Network+ |
| Exam Number: | JK0-023 (Network+) |
| Exam Duration: | 90 minutes |
| Available Languages: | English, Japanese, Spanish, German, Portuguese |
| Exam Price: | Approximately USD $350-399 (voucher price varies by region / provider) |
| Passing Score: | 720 (on a scale of 100–900) |
| Related Certifications: | CompTIA Security+ CompTIA A+ |
| Exam Format: | Performance-based, Multiple choice |
| Certificate Validity Period: | Certification valid for 3 years after passing |
| Real Exam Qty: | Up to 90 |
| 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% | - Securing wired and wireless networks - Security concepts and threat mitigation |
| Topic 2: Industry Standards, Practices and Network Theory | 16% | - Best practices in networking environments - Fundamental network theory and standards |
| Topic 3: Troubleshooting | 24% | - Network troubleshooting methodology - Using tools to diagnose connectivity issues |
| Topic 4: Network Architecture | 22% | - OSI model and network standards - Network topology and architecture basics |
| Topic 5: Network Operations | 20% | - Network documentation and monitoring - Change, configuration and lifecycle management |
CompTIA Network+ certification Sample Questions:
Question 1
STP prevents which of the following problems?
A. Switching loops
B. Broadcast storms
C. Collision domains
D. Routing loops
Question 2
A technician finds that the network card is no longer functioning. At which of the following OSI layers is the problem occurring?
A. Layer 1
B. Layer 3
C. Layer 5
D. Layer 7
Question 3
Which of the following network elements enables unified communication devices to connect to and traverse traffic onto the PSTN?
A. Access switch
B. Edge router
C. UC gateway
D. UC server
Question 4
Which of the following DNS records allows for reverse lookup of a domain?
A. PTR
B. MX
C. AAAA
D. A
Question 5
A company has been given a Class C address to be utilized for all devices. The company has several subnets and the largest subnet has 15 hosts. Which of the following represents the MINIMUM CIDR notation of this subnet mask?
A. /26
B. /27
C. /28
D. /29
Solutions:
| Question 1 Answer: A | Question 2 Answer: A | Question 3 Answer: C | Question 4 Answer: A | Question 5 Answer: B |
By Lilith
