200-201 Security Concepts Practice Question
Which THREE of the following are common types of malware?
⚠ Common exam trap
Cisco often tests the distinction between security tools (like patches and firewalls) and actual malware types, leading candidates to mistakenly classify protective measures as malicious software.
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
✓
Virus
A virus is a type of malware that replicates by attaching itself to legitimate executable files or scripts, requiring user action (e.g., opening an infected attachment) to spread. It is one of the classic and most common forms of malicious software, making option B correct.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Patch
Why it's wrong here
A patch is a software update, not malware.
- ✓
Virus
Why this is correct
A virus attaches to files and spreads.
- ✓
Ransomware
Why this is correct
Ransomware encrypts data for ransom.
- ✓
Worm
Why this is correct
A worm self-replicates over networks.
- ✗
Firewall
Why it's wrong here
A firewall is a security device, not malware.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 200-201 practice question is part of Courseiva's free Cisco 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 200-201 exam.