Which form of malicious software can travel across network links to infect other network devices without needing a human user to copy or share an infected file? MCQ with Answer and Explanation

Which form of malicious software can travel across network links to infect other network devices without needing a human user to copy or share an infected file?
A. Keylogger Module
B. Macro Virus
C. Computer Worm
D. Trojan Horse
Answer: Option C
Solution (By JKSSB Mock Tests)
Worms are self-contained, self-replicating malware strains that exploit network vulnerabilities to spread autonomously among connected devices.

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Practice More Cyber Security Questions

Question #1
Which of the following is a common type of attack against web applications?
A. Cross-site scripting (XSS)
B. Phishing
C. Man-in-the-middle
D. Denial-of-service

Correct Answer: Option A


Explanation:
Cross-site scripting (XSS) is a common attack that injects malicious scripts into web applications, exploiting vulnerabilities to steal data or hijack sessions.

This question belongs to: Computer Cyber Security
Question #2
What is the difference between a virus and a worm?
A. A worm requires user action to spread, while a virus does not
B. A virus is always more harmful than a worm
C. A virus requires a host program to spread, while a worm is self-contained
D. There is no difference

Correct Answer: Option C


Explanation:
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.

This question belongs to: Computer Cyber Security
Question #3
What form of social engineering trick uses a physical item—such as scattering malware-infected USB flash drives around an office elevator—to compromise a network via employee curiosity?
A. Whaling Scam
B. Baiting
C. Pharming Attack
D. Smishing Attempt

Correct Answer: Option B


Explanation:
Baiting leverages curiosity or greed by using physical media tokens to trick victims into executing malicious payloads on their systems.

This question belongs to: Computer Cyber Security