Computer Science for IGCSE & O level - The Internet And Its Uses (Section 11 - No. 37)
Which of the following statements are correct regarding firewalls?
Firewalls are only available as hardware devices.
Firewalls allow a user to set rules for network traffic.
Firewalls will automatically stop all malicious traffic.
Firewalls only examine traffic entering a network.
Explicació
Firewalls allow users to control network traffic and are available as both hardware and software.