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CompTIA Security+ JK0-018

JK0-018

Exam Code: JK0-018

Exam Name: CompTIA Security+ Certification Exam

Updated: Oct 06, 2026

Q & A: 820 Questions and Answers

JK0-018 Free Demo download:

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CompTIA JK0-018 Exam Syllabus Topics:

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

CompTIA Security+ Certification Sample Questions:

Question #1
The security administrator installed a newly generated SSL certificate onto the company web server. Due to a mis-configuration of the website, a downloadable file containing one of the pieces of the key was available to the public. It was verified that the disclosure did not require a reissue of the certificate. Which of the following was MOST likely compromised?

A. The file containing the private key.
B. The file containing the recovery agent's keys.
C. The file containing the public key.
D. The file containing the server's encrypted passwords.


Question #2
A network stream needs to be encrypted. Sara, the network administrator, has selected a cipher which will encrypt 8 bits at a time before sending the data across the network. Which of the following has Sara selected?

A. Block cipher
B. CRC
C. Stream cipher
D. Hashing algorithm


Question #3
An investigator recently discovered that an attacker placed a remotely accessible CCTV camera in a public area overlooking several Automatic Teller Machines (ATMs). It is also believed that user accounts belonging to ATM operators may have been compromised. Which of the following attacks has MOST likely taken place?

A. Whaling attack
B. Dumpster diving
C. Shoulder surfing
D. Vishing attack


Question #4
Which of the following authentication services uses a ticket granting system to provide access?

A. LDAP
B. Kerberos
C. TACACS+
D. RADIUS


Question #5
A security administrator has been tasked with setting up a new internal wireless network that must use end to end TLS. Which of the following may be used to meet this objective?

A. WEP
B. WPA
C. HTTPS
D. WPA 2


Solutions:

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

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