Question

what is a firewall in a network?

Answer 1

just let us to the other than the way you can be a few days by reply and then you

Answer 2

Answer:

what is Network security firewall:

Firewall is something in the internet, which protects our computer from the network which consists of many untrusted bad guys. It checks the IP adress, protocol and many other things and chooses a network as trusted or unsafe. If unsafe the computer does not permit any download or does not reccomend us to use that website.

How to open windows firewall in windows 7 :

Step 1: Go to the start button and search there for all control panel items.

Step 2: Now go to windows firewall and you will see the status of your windows firewall. you can switch it off if you want.

It shows whether you are connected to any public network also