GCIH · Question #290
Which of the following statements is true about the difference between worms and Trojan horses?
The correct answer is D. Worms replicate themselves while Trojan horses do not. Worms and Trojan horses differ in their self-replication behavior. Worms autonomously replicate and spread across networks, while Trojan horses disguise themselves as legitimate software but do not self-replicate.
Question
Which of the following statements is true about the difference between worms and Trojan horses?
Options
- ATrojan horses are a form of malicious codes while worms are not.
- BTrojan horses are harmful to computers while worms are not.
- CWorms can be distributed through emails while Trojan horses cannot.
- DWorms replicate themselves while Trojan horses do not.
How the community answered
(31 responses)- A6% (2)
- B3% (1)
- C3% (1)
- D87% (27)
Why each option
Worms and Trojan horses differ in their self-replication behavior. Worms autonomously replicate and spread across networks, while Trojan horses disguise themselves as legitimate software but do not self-replicate.
Both worms and Trojan horses are forms of malicious code (malware), so this distinction is factually incorrect.
Both worms and Trojan horses are harmful to computers - worms consume bandwidth and system resources while Trojans can create backdoors or deliver payloads.
Both worms and Trojan horses can be distributed via email attachments or links, so this is not a distinguishing characteristic.
Worms are specifically defined by their ability to self-replicate and propagate across systems without user interaction, whereas Trojan horses rely on social engineering to be executed and do not copy themselves to other systems.
Concept tested: Malware classification - worms vs Trojan horses
Source: https://www.cisa.gov/news-events/news/understanding-hidden-threats-rootkits-and-botnets
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