Computer Science for IGCSE & O level - Hardware (Section 23 - No. 18)
What is the primary function of a firewall?
To speed up internet connections.
To provide a wireless internet connection.
To protect a computer from viruses.
To filter network traffic and prevent unauthorized access.
คำอธิบาย
Firewalls filter network traffic and prevent unauthorized access to protect a computer from viruses and malware.