CompTIA
220-802 · Question #20
220-802 Question #20: Real Exam Question with Answer & Explanation
The correct answer is D: Worm. A worm is uniquely defined by its ability to self-replicate and spread across networks without requiring a host file or user interaction.
Question
Which of the following security threats is defined by its self propagating characteristic?
Options
- AVirus
- BRootkit
- CTrojan
- DWorm
Explanation
A worm is uniquely defined by its ability to self-replicate and spread across networks without requiring a host file or user interaction.
Common mistakes.
- A. A virus attaches itself to a legitimate host file and requires user action (running the infected file) to spread, so it lacks autonomous self-propagation.
- B. A rootkit is designed to gain and conceal privileged access to a system; its defining trait is stealth and persistence, not self-propagation.
- C. A Trojan disguises itself as legitimate software to trick users into executing it, but it does not self-replicate or spread on its own.
Concept tested. Malware classification - worm self-propagation
Reference. https://learn.microsoft.com/en-us/microsoft-365/security/intelligence/worms-malware
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