What is the difference between a virus and a worm? MCQ with Answer and Explanation

What is the difference between a virus and a worm?
A. A virus requires a host program to spread, while a worm is self-contained
B. There is no difference
C. A worm requires user action to spread, while a virus does not
D. A virus is always more harmful than a worm
Answer: Option A
Solution (By JKSSB Mock Tests)
A virus attaches itself to a host program or file to replicate, while a worm is a standalone program that replicates and spreads on its own.

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Practice More Cyber Security Questions

Question #1
Which of the following is a common security risk associated with remote work?
A. Unsecured home networks
B. Regular security updates
C. Use of strong passwords
D. Use of VPNs

Correct Answer: Option A


Explanation:
Remote work often involves using unsecured home networks, which can expose corporate devices and data to cyber threats without proper security measures like VPNs.

This question belongs to: Computer Cyber Security
Question #2
A complex exploit strategy that compromises the DNS routing directories of a server to automatically redirect users to fake e-commerce sites, even if they typed the correct URL, is known as:
A. Vishing
B. Pharming
C. Smishing
D. Spear Phishing

Correct Answer: Option B


Explanation:
Pharming manipulates DNS servers or host files to transparently reroute traffic to spoofed destinations, harvesting user data even when valid URLs are entered.

This question belongs to: Computer Cyber Security
Question #3
What is 'cyber resilience'?
A. The ability to ignore cyber threats
B. The ability to increase system speed
C. The ability to continuously deliver the intended outcome despite adverse cyber events
D. The ability to prevent all cyber attacks

Correct Answer: Option C


Explanation:
Cyber resilience is the ability of an organization to prepare for, respond to, and recover from cyber attacks while maintaining business operations.

This question belongs to: Computer Cyber Security