57. In simplex transmission A.Data format is simple B.Data transmission is one way C.Data can be transmitted to small distances only D.All of the above E.None of the above
Option B Solution: In Simplex mode, the communication is unidirectional, as on a one-way street. Only one of the two devices on a link can transmit, the other can only receive. The simplex mode can use the entire capacity of the channel to send data in one direction.
