A security system that monitors network traffic and blocks unauthorized access based on defined rules. What is this concept called?
- A. Zero-day vulnerability
- B. Encryption
- C. Firewall (security control) ✓
- D. Two-factor authentication (2FA)
Correct answer
C. Firewall (security control)
Explanation
Firewall (security control) refers to a security system that monitors network traffic and blocks unauthorized access based on defined rules.