Which of the following uses software and/or hardware to prevent unwanted access to a computer or computer system?
A) firewall
B) router
C) spam filter
D) utility program

Question

Quizplus · Accepted Answer

A firewall is a security system that is designed to prevent unauthorized access to or from a private network. It can be either a hardware or software-based solution that monitors incoming and outgoing network traffic and allows or blocks data packets based on a set of security rules.

Which of the Following Uses Software And/or Hardware to Prevent