What is the main purpose of a Firewall in a computer network?
A
To prevent unauthorized access
B
To remove all viruses from a computer
C
To increase internet speed
D
To store network Data
Correct Answer: Option A — To prevent unauthorized access
Explanation:
A Firewall is a network security system that monitors and controls incoming and outgoing traffic based on predefined security rules. Its pri...
A Firewall is a network security system that monitors and controls incoming and outgoing traffic based on predefined security rules. Its primary purpose is to prevent unauthorized users, hackers, or malicious programs from accessing a computer or network. While a firewall can help block some threats, it is not a substitute for antivirus software and does not increase network speed.