FC0-U71 Security Practice Question
Which type of malware is disguised as legitimate software but performs malicious actions?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Trojan
A Trojan horse appears useful but contains harmful code, unlike viruses or worms that self-replicate.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Virus
Why it's wrong here
A virus attaches to files and replicates; it may not be disguised.
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Ransomware
Why it's wrong here
Ransomware encrypts files; it may not be disguised as legitimate software.
- ✓
Trojan
Why this is correct
Correct. A Trojan disguises itself as legitimate software.
- ✗
Worm
Why it's wrong here
A worm spreads without a host file; it doesn't need to be disguised.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This FC0-U71 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the FC0-U71 exam.