What is the function of antivirus software? MCQ with Answer and Explanation

What is the function of antivirus software?
A. To detect, prevent, and remove malware
B. To encrypt data
C. To manage network traffic
D. To provide internet connectivity
Answer: Option A
Solution (By JKSSB Mock Tests)
Antivirus software is designed to detect, prevent, and remove malicious software from a computer system.

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Practice More Cyber Security Questions

Question #1
Which principle limits user account privileges and configuration rights to the absolute minimum required to complete designated corporate operations, reducing the blast radius of a compromised account?
A. Principle of Least Privilege (PoLP)
B. Stateful Inspection Mapping
C. Defense in Depth
D. Zero Trust Tracking

Correct Answer: Option A


Explanation:
The Principle of Least Privilege helps contain security breaches by ensuring users only have access to systems and files necessary for their specific role.

This question belongs to: Computer Cyber Security
Question #2
What form of targeted phishing threat focuses explicitly on high-level corporate personnel like CEOs or financial directors to pull down business access codes?
A. Smishing Campaign
B. Whaling Attack
C. Vishing Routine
D. Spam Blasting

Correct Answer: Option B


Explanation:
Whaling is a highly specialized phishing variant designed to target C-suite executives and high-value corporate decision makers.

This question belongs to: Computer Cyber Security
Question #3
Which malicious software strain automatically floods a user’s computer monitor with pop-up marketing window sequences, often slowing system performance and bundling tracker cookies secretly?
A. Rootkit Module
B. Computer Worm
C. Adware
D. Ransomware Core

Correct Answer: Option C


Explanation:
Adware is code optimized to continuously display advertisement matrices on client screens, often bundled with browser add-ons without transparent consent.

This question belongs to: Computer Cyber Security