CSMA /CD (Carrier Sense Multiple Access /Collision Detection . The benefit of this system is Ethernet can use multiple transmission media like twisted pairs , coaxial , fiber optic cable etc . another advantage is no-collision between two computers that send data simultaneously . Token Ring IBM develops the use of Token Ring method in a computer network in 1980s . In a token system , many computers are connected to a ring in which every time a computer sends a data , the system will tap it...











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