Question

What is the purpose of a firewall ?
(a) To detect viruses on a system and prevent them from attacking it and spreading
(b) To prevent unauthorised connections coming in to and out of a network
(c) To prevent a hacker from logging on to the network​

Answer 1

Answer:

I think answer c

Answer 2

Answer:

option (b) is correct

Explanation:

to prevent unauthorised connections coming in to and out of a network

hope it helps u