What is the primary operational difference between a standard computer virus and a computer worm? MCQ with Answer and Explanation

What is the primary operational difference between a standard computer virus and a computer worm?
A. A virus relies entirely on hardware modulation bugs.
B. A virus targets network protocols, while a worm exclusively targets storage sectors.
C. A worm cannot run without administrative OS privileges.
D. A virus requires a human operator to execute an infected host file to spread, whereas a worm can self-replicate and spread independently across networks.
Answer: Option D
Solution (By JKSSB Mock Tests)
Viruses insert themselves into existing host files and require human execution to propagate, while worms exploit system vulnerabilities to self-replicate and travel autonomously across network lines.

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Practice More Cyber Security Questions

Question #1
What is 'zero-day vulnerability'?
A. A software vulnerability that is unknown to the vendor and has no patch
B. A vulnerability that is easy to fix
C. A vulnerability that only affects older systems
D. A vulnerability that has been known for a long time

Correct Answer: Option A


Explanation:
A zero-day vulnerability is a flaw in software that is unknown to the vendor, meaning there is no official patch available at the time it is discovered.

This question belongs to: Computer Cyber Security
Question #2
Which of the following is a common technique used in social engineering?
A. Encrypting data
B. Baiting
C. Installing a firewall
D. Using antivirus

Correct Answer: Option B


Explanation:
Baiting is a social engineering technique that lures victims with a promise of a reward, such as a free download, to trick them into installing malware or revealing information.

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Question #3
What is the purpose of a security audit?
A. To assess an organization's security posture and identify vulnerabilities
B. To manage employee salaries
C. To increase system performance
D. To install new software

Correct Answer: Option A


Explanation:
A security audit is a systematic evaluation of an organization's information security policies, practices, and controls to identify vulnerabilities and ensure compliance.

This question belongs to: Computer Cyber Security