Descriptors | Data processing, Information exchange, Data transfer, Local area networks, Network layer (OSI), Data link layer (OSI), Physical layer (OSI), Data transmission, Interfaces (data processing), Signals, Messages, Data transmission methods, Telecommunication transmission methods, Computer networks, CSMA/CD networks, Fibre optics, Performance, Signal level, Voltage, Electrical safety, Bandwidths, Metropolitan area networks Medium access control |