Question

In network security, a firewall is a device which lies between two networks.

A. Regulates data traffic between the networks to prevent attacks originating from the external network to cause harm to the internal network.
B. Regulates the movement of network administrators from the external network to the internal network.
C. Prevents fires in the external network from spreading to the internal network.
D. None of the above.

Answer 1

The answer is A. A firewall is a piece of software that monitors all connections to make sure no attacks can be made in the internal or external networks