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CompTIA JK0-018 : CompTIA Security+ Certification Exam

JK0-018 real exams

Exam Code: JK0-018

Exam Name: CompTIA Security+ Certification Exam

Updated: Oct 02, 2026

Q & A: 820 Questions and Answers

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CompTIA JK0-018 Exam Syllabus Topics:

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

CompTIA Security+ Certification Sample Questions:

Question #1
A compromised workstation utilized in a Distributed Denial of Service (DDOS) attack has been removed from the network and an image of the hard drive has been created. However, the system administrator stated that the system was left unattended for several hours before the image was created. In the event of a court case, which of the following is likely to be an issue with this incident?

A. Data Analysis of the hard drive
B. Chain of custody
C. Expert Witness
D. Eye Witness


Question #2
Ann would like to forward some Personal Identifiable Information to her HR department by email, but she is worried about the confidentiality of the information. Which of the following will accomplish this task securely?

A. Digital Signatures
B. Hashing
C. Secret Key
D. Encryption


Question #3
When using PGP, which of the following should the end user protect from compromise? (Select TWO).

A. Public key
B. Key escrow
C. Private key
D. Recovery agent
E. Key password
F. CRL details


Question #4
Digital certificates can be used to ensure which of the following? (Select TWO).

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


Question #5
Which of the following IP addresses would be hosts on the same subnet given the subnet mask 255.255.255.224? (Select TWO).

A. 10.4.4.165
B. 10.4.4.158
C. 10.4.4.189
D. 10.4.4.125
E. 10.4.4.199


Solutions:

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

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