Computer Science for IGCSE & O level - The Internet And Its Uses (Section 15 - No. 8)
What is the main function of a firewall?
To store user passwords
To monitor and filter incoming and outgoing network traffic
To speed up internet browsing
To provide a back-up of your system
Explicació
A firewall is designed to protect a computer or network by controlling the incoming and outgoing traffic based on set rules.