FC0-U71 Security Practice Question
Which of the following is a characteristic of a worm in the context of malware?
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
✓
It self-replicates without needing a host file
A worm is a standalone malware that replicates itself to spread to other computers without needing to attach to a host file, often exploiting network vulnerabilities.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
It disguises itself as legitimate software
Why it's wrong here
That describes a Trojan horse.
- ✗
It encrypts files and demands a ransom
Why it's wrong here
That describes ransomware.
- ✗
It requires a host file to spread
Why it's wrong here
That describes a virus, not a worm.
- ✓
It self-replicates without needing a host file
Why this is correct
Correct: worms are self-propagating and do not need a host file.
Go deeper
Related to this question
About these practice questions
Courseiva writes every FC0-U71 question from scratch — 988 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →
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.