• Exam Code: JK0-023
  • Exam Name: CompTIA Network+ certification
  • Certification Provider: CompTIA
  • Corresponding Certification:Network+
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CompTIA JK0-023 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Network Troubleshooting20%- IP addressing and routing problems
- Troubleshooting methodology
- Wireless and security troubleshooting
- Cable and connectivity issues
Topic 2: Network Architecture20%- Network topologies and types
- Routing and switching technologies
- IP addressing and subnetting
- OSI and TCP/IP models
- Network services and cloud concepts
Topic 3: Network Operations20%- Remote access and management
- Network policies and best practices
- Business continuity and disaster recovery
- Monitoring and documentation
Topic 4: Network Security20%- Threats, vulnerabilities, and mitigation
- Encryption and secure protocols
- Security devices and technologies
- Authentication and access control
Topic 5: Industry Standards, Practices, and Network Theory20%- Communication and professional conduct
- Standards and protocols
- Network evolution and emerging technologies
- Safety and environmental procedures

CompTIA Network+ certification Sample Questions:

1. Which of the following attacks would allow an intruder to do port mapping on a company's internal server from a separate company server on the Internet?

A) FTP bounce
B) Teardrop
C) Smurf
D) SYN flood


2. Which of the following IP addresses would be classified as private?

A) 200.100.25.0
B) 10.100.200.0
C) 172.168.5.0
D) 169.253.10.20


3. An administrator would like to inspect all traffic flowing over the SMTP protocol on a given network. Which of the following tools would accomplish this? (Select TWO).

A) Port scanner
B) Honeypot
C) IDS
D) IPS
E) Port mirroring
F) Packet sniffer


4. Zach, a network administrator, is responding to a support ticket. The ticket does not have enough information to determine the problem. Which of the following should Zach perform FIRST before responding to the ticket?

A) Escalate the problem if necessary.
B) Establish a plan of action to resolve the problem.
C) Determine if anything has changed.
D) Test a theory to determine a cause.


5. Which of the following is MOST likely used with RG-6 media?

A) RJ-45
B) RJ-11
C) F-connector
D) MTRJ


Solutions:

Question # 1
Answer: A
Question # 2
Answer: B
Question # 3
Answer: E,F
Question # 4
Answer: C
Question # 5
Answer: C

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