Computer Science for IGCSE & O level - Software (Section 12 - No. 49)
Which of the following is a function typically offered by a firewall?
Encrypting all data stored on a hard drive.
Monitoring and controlling network traffic.
Managing user access to different applications.
Cleaning up fragmented files on the hard drive.
Giải thích
Firewalls control incoming and outgoing network traffic based on a set of rules.