Technically, we have two types of firewall, a one way firewall and a two way. A one-way firewall will protect you from incoming threats. A two-way built-in or standalone firewall will add another layer of protection and thus, it is a must have tool.
Answer:
The window operating system is popularly known as a graphical user interface(GUI)
Explanation:
older operating systems were command line based but window uses a gui
Answer it gives u points I think
The Underground Railroad