FC0-U71 Security Practice Question
Which THREE of the following are effective methods to protect against malware infections? (Select THREE.)
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
✓
Install and maintain antivirus software
Antivirus software detects and removes malware; keeping software updated patches vulnerabilities; using a firewall blocks malicious traffic. Disabling software updates would increase risk, and opening all email attachments is dangerous.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Open all email attachments regardless of sender
Why it's wrong here
Opening unknown attachments is a common way malware spreads.
- ✓
Install and maintain antivirus software
Why this is correct
Antivirus software is a primary defense against malware.
- ✓
Use a firewall to filter incoming and outgoing traffic
Why this is correct
Firewalls can block malware from communicating or entering the network.
- ✗
Disable automatic software updates to avoid changes
Why it's wrong here
Disabling updates leaves systems vulnerable to known exploits.
- ✓
Keep operating systems and applications up to date
Why this is correct
Updates patch security vulnerabilities that malware could exploit.
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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.