Hardware or software designed to guard against unauthorized access to a computer network is known as a(n)___________?
Correct answer: B. Firewall
- A. Hacker-proof program
- B. Firewall
- C. Hacker-resistant server
- D. Encryption safe wall
Explanation
A firewall may be hardware, software, or both, and it filters network traffic according to security rules. Its purpose is to block unauthorized access while permitting approved communication.
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