Which one among the following is the purpose of firewall?
- A. Preventing unauthorised access to computer via the internet ✓
- B. Installation of software that can harm the computer
- C. Recording everything that is done on computer
- D. Running checks to prevent virus attacks
Correct Answer: A. Preventing unauthorised access to computer via the internet
Explanation
A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules to prevent unauthorized access.
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