Which of the following options correctly defines a firewall (in the context of computing) ?

Options

A. It is the name of a software
B. It is a hardware device
C. It is a combination of both, software and hardware devices to permit or deny network transmission based on a set of rules
D. It is a combination of software and hardware-based devices to permit any and every network transmission

Answer

C

Explanation

It is a combination of both software and hardware devices to permit or deny network transmission based on a set of rules. Explanation: A firewall is a security device - computer hardware or software that can help protect your network by filtering traffic and blocking outsiders from gaining unauthorized access to the private data on your computer.