What is the role of a certificate authority (CA) in cybersecurity? MCQ with Answer and Explanation

What is the role of a certificate authority (CA) in cybersecurity?
A. To issue and manage digital certificates
B. To manage network traffic
C. To provide backup services
D. To encrypt data
Answer: Option A
Solution (By JKSSB Mock Tests)
A Certificate Authority (CA) is a trusted entity that issues digital certificates, verifying the identity of entities and enabling secure communications.

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Practice More Cyber Security Questions

Question #1
What type of attack relies on social engineering to drop malicious flash drives in a company parking lot, hoping an employee will plug one into a corporate workstation out of curiosity?
A. Pharming Exploit
B. Whaling Attack
C. Smishing Attempt
D. Baiting

Correct Answer: Option D


Explanation:
Baiting uses the promise of an item or curiosity (like a misplaced USB drive with an intriguing label) to entice victims into compromising their own system security.

This question belongs to: Computer Cyber Security
Question #2
What is the function of antivirus software?
A. To manage network traffic
B. To encrypt data
C. To provide internet connectivity
D. To detect, prevent, and remove malware

Correct Answer: Option D


Explanation:
Antivirus software is designed to detect, prevent, and remove malicious software from a computer system.

This question belongs to: Computer Cyber Security
Question #3
What form of malicious code hides itself inside the deep administrative or kernel layer of an operating system to hide active system tracking files from malware sweeps?
A. Adware Module
B. Spyware Script
C. Macro Virus
D. Rootkit

Correct Answer: Option D


Explanation:
Rootkits modify system kernel code to hide processes, files, and network links, rendering themselves invisible to standard antivirus utilities.

This question belongs to: Computer Cyber Security