Question

which of the following is a combination of firewall

Answer 1

Answer:

There is not enough information

Explanation:

Just in case you're talking about computer security, A firewall is security component usually built-in in major operating systems like Windows 10 and Linux. If you don't have a firewall you can use an antivirus which has it built-in.

It can also be used to monitor network traffic.

Helpful:

Popular antivirus programs

Bitdefender, Kaspersky, Norton, Quick-Heal and Panda security

Some of them have free versions and some have free trials.

Hope it helps!