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...Physical structures in we need to define some network attributes type of connection topology line configuration there are two possible types connections point and multipoint a provides dedicated link between devices the entire capacity is reserved for transmission those most use an actual length wire or cable connect ends but other options such as microwave satellite links also when you change television channels by infrared remote control establishing s system multi drop one which more than specific share single environment channel shared either spatially temporally if several can simultaneously it users must take turns timeshared term refers way laid out physically form geometric representation relationship all linking usually called nodes another four basic topologies mesh star bus ring categories every device has means that carries traffic only connects find number fully connected with n first consider each node be finally however allows communication both directions duplex mode di...