Token

These days each desktop computer has a separate internet address bypassing the need to have everything sent through a ring of computers or token ring system. The internet is based on a form of interlinked computers that means information sent from one computer find its way through whatever links it needs to another computer regardless of where those computers are.

There are number of LAN technologies and each technology is classified into a category according to its topology , two such topologies are star and ring topology. In star topology ,The hub accepts data from a sender and delivers it to receiver, there is no security in star topology . In Ring topology Computers are connected in a circle- the first computer is cabled with the second computer.

protocol, token, proxy or packet

Computer security refers to be protected from the viruses present inside your computer whereas Internet security refers to be protected from the malwares those could attack your computer through Internet.