CompTIA JK0-018 : CompTIA Security+ Certification Exam

JK0-018 real exams

Exam Code: JK0-018

Exam Name: CompTIA Security+ Certification Exam

Updated: Sep 01, 2026

Q & A: 820 Questions and Answers

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CompTIA JK0-018 Exam Syllabus Topics:

SectionObjectives
Topic 1: General Security Concepts- Security fundamentals and principles
- Risk management concepts
Topic 2: Operational Security- Security policies and procedures
- Incident response fundamentals
Topic 3: Infrastructure Security- Host and device security
- Network architecture security controls
Topic 4: Communication Security- Secure communications and encryption basics
- Network security protocols
Topic 5: Access Control and Identity Management- Account management and access controls
- Authentication and authorization concepts

CompTIA Security+ Certification Sample Questions:

Question 1

Which of the following preventative controls would be appropriate for responding to a directive to reduce the attack surface of a specific host?

A. Installing anti-malware
B. Taking a baseline configuration
C. Disabling unnecessary services
D. Implementing an IDS


Question 2

A database administrator contacts a security administrator to request firewall changes for a connection to a new internal application. The security administrator notices that the new application uses a port typically monopolized by a virus. The security administrator denies the request and suggests a new port or service be used to complete the application's task. Which of the following is the security administrator practicing in this example?

A. Access control lists
B. Explicit deny
C. Implicit deny
D. Port security


Question 3

A server administrator notes that a legacy application often stops running due to a memory error. When reviewing the debugging logs, they notice code being run calling an internal process to exploit the machine. Which of the following attacks does this describe?

A. Malicious add-on
B. Zero-day
C. Buffer overflow
D. Cross site scripting


Question 4

Joe, a security analyst, asks each employee of an organization to sign a statement saying that they understand how their activities may be monitored. Which of the following BEST describes this statement? (Select TWO).

A. Security policy
B. Acceptable use policy
C. Privacy policy
D. Risk acceptance policy
E. Email policy


Question 5

Based on information leaked to industry websites, business management is concerned that unauthorized employees are accessing critical project information for a major, well-known new product. To identify any such users, the security administrator could:

A. Block access to the project documentation using a firewall.
B. Set up a honeypot and place false project documentation on an unsecure share.
C. Apply security updates and harden the OS on all project servers.
D. Increase antivirus coverage of the project servers.


Solutions:

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

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