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CompTIA JK0-018 : CompTIA Security+ Certification Exam

JK0-018

Exam Code: JK0-018

Exam Name: CompTIA Security+ Certification Exam

Updated: Oct 04, 2026

Q & A: 820 Questions and Answers

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CompTIA JK0-018 Exam Syllabus Topics:

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

CompTIA Security+ Certification Sample Questions:

Question #1
Which of the following describes how Sara, an attacker, can send unwanted advertisements to a mobile device?

A. Man-in-the-middle
B. Packet sniffing
C. Bluesnarfing
D. Bluejacking


Question #2
HOTSPOT
For each of the given items, select the appropriate authentication category from the dropdown choices.
Instructions: When you have completed the simulation, please select the Done button to submit.


Question #3
The security administrator needs to restrict traffic on a layer 3 device to support FTP from a new remote site. Which of the following secure network administration principles will need to be implemented?

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


Question #4
Review the following diagram depicting communication between PC1 and PC2 on each side of a router. Analyze the network traffic logs which show communication between the two computers as captured by the computer with IP 10.2.2.10.
DIAGRAM
PC1 PC2
[192.168.1.30]--------[INSIDE 192.168.1.1 router OUTSIDE 10.2.2.1]---------[10.2.2.10]
LOGS
10:30:22, SRC 10.2.2.1:3030, DST 10.2.2.10:80, SYN
10:30:23, SRC 10.2.2.10:80, DST 10.2.2.1:3030, SYN/ACK
10:30:24, SRC 10.2.2.1:3030, DST 10.2.2.10:80, ACK
Given the above information, which of the following can be inferred about the above environment?

A. The router filters port 80 traffic.
B. 192.168.1.30 is a web server.
C. The router implements NAT.
D. The web server listens on a non-standard port.


Question #5
Establishing a published chart of roles, responsibilities, and chain of command to be used during a disaster is an example of which of the following?

A. Recovery point objectives
B. Succession planning
C. Fault tolerance
D. Business continuity testing


Solutions:

Question #1
Correct Answer: D
Question #2
Correct Answer: Only visible for members
Question #3
Correct Answer: A
Question #4
Correct Answer: C
Question #5
Correct Answer: B

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