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CompTIA Security+ JK0-018

JK0-018

Exam Code: JK0-018

Exam Name: CompTIA Security+ Certification Exam

Updated: Oct 25, 2026

Q&A Number: 820 Q&As

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CompTIA JK0-018 Exam Syllabus Topics:

SectionObjectives
Topic 1: General Security Concepts- Security fundamentals and principles
- Threats, vulnerabilities, and risk concepts
Topic 2: Operational Security- Incident response and monitoring
- Security policies and procedures
Topic 3: Cryptography- Encryption standards and algorithms
- PKI and certificate management
Topic 4: Identity and Access Management- Authentication and authorization mechanisms
- Access control models and policies
Topic 5: Network Security- Secure network design and architecture
- Secure communication protocols

CompTIA Security+ Certification Sample Questions:

Question #1
A perimeter survey finds that the wireless network within a facility is easily reachable outside of the physical perimeter. Which of the following should be adjusted to mitigate this risk?

A. MAC filter
B. SSID broadcast
C. CCMP
D. Power level controls


Question #2
A system administrator needs to ensure that certain departments have more restrictive controls to their shared folders than other departments. Which of the following security controls would be implemented to restrict those departments?

A. Group based privileges
B. Password disablement
C. User assigned privileges
D. Multiple account creation


Question #3
Which of the following is an attack vector that can cause extensive physical damage to a datacenter without physical access?

A. CCTV system access
B. Changing environmental controls
C. Dial-up access
D. Ping of death


Question #4
Which of the following types of trust models is used by a PKI?

A. Open source
B. Decentralized
C. Centralized
D. Transitive


Question #5
Digital certificates can be used to ensure which of the following? (Select TWO).

A. Authorization
B. Confidentiality
C. Verification
D. Availability
E. Non-repudiation


Solutions:

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

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