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CompTIA JK0-018 : CompTIA Security+ Certification Exam
Exam Code: JK0-018
Exam Name: CompTIA Security+ Certification Exam
Updated: Oct 20, 2026
Q & A: 820 Questions and Answers
JK0-018 Free Demo download
About CompTIA JK0-018 Exam
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CompTIA JK0-018 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: General Security Concepts | - Security fundamentals and principles - Threats, vulnerabilities, and risk concepts |
| Topic 2: Network Security | - Secure network design and architecture - Secure communication protocols |
| Topic 3: Cryptography | - Encryption standards and algorithms - PKI and certificate management |
| Topic 4: Operational Security | - Security policies and procedures - Incident response and monitoring |
| Topic 5: Identity and Access Management | - Access control models and policies - Authentication and authorization mechanisms |
CompTIA Security+ Certification Sample Questions:
Question #1
After analyzing and correlating activity from multiple sensors, the security administrator has determined that a group of very well organized individuals from an enemy country is responsible for various attempts to breach the company network, through the use of very sophisticated and targeted attacks. Which of the following is this an example of?
- A. Spear phishing
- B. Malicious insider threat
- C. Advanced persistent threat
- D. Privilege escalation
Correct Answer: C 🗳️
Question #2
A security administrator plans on replacing a critical business application in five years. Recently, there was a security flaw discovered in the application that will cause the IT department to manually re-enable user accounts each month at a cost of $2,000. Patching the application today would cost $140,000 and take two months to implement. Which of the following should the security administrator do in regards to the application?
- A. Avoid the risk to the user base allowing them to re-enable their own accounts
- B. Transfer the risk replacing the application now instead of in five years
- C. Mitigate the risk by patching the application to increase security and saving money
- D. Accept the risk and continue to enable the accounts each month saving money
Correct Answer: D 🗳️
Question #3
The string:
' or 1=1--
represents which of the following?
- A. SQL Injection
- B. Rogue access point
- C. Client-side attacks
- D. Bluejacking
Correct Answer: A 🗳️
Question #4
Pete, an employee, needs a certificate to encrypt data. Which of the following would issue Pete a certificate?
- A. Registration authority
- B. Certification authority
- C. Key escrow
- D. Certificate revocation list
Correct Answer: B 🗳️
Question #5
Which of the following BEST describes a SQL Injection attack?
- A. The attacker attempts to have the receiving server run a payload using programming commonly found on web servers.
- B. The attacker attempts to have the receiving server pass information to a back-end database from which it can compromise the stored information.
- C. The attacker overwhelms a system or application, causing it to crash, and then redirects the memory address to read from a location holding the payload.
- D. The attacker overwhelms a system or application, causing it to crash and bring the server down to cause an outage.
Correct Answer: B 🗳️
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