<span>A network layout or topology that is the most common, the most simple and easiest to use out of the four network topologies is the Bus topology, one cable is used for installation so it is also the cheapest network type.</span>
Well, I would say a web browser, like Mozilla Firefox, Safari for IOS, Windows Edge, Chrome, or Internet Explorer; and some anti-malware software, since there are multiple websites on the WWW that try to steal your information and give your device viruses.
First it will glow then change what color you want
