In the ______ method, all data exchanges must be made through the primary device even when the ultimate destination is a secondary device.
A)reservation
B)polling
C)token passing
D)none of the above

Question

Quizplus · Accepted Answer

In the polling method, the primary device (also known as the controller or master) controls the network communication by sequentially polling each secondary device (or slave) to see if it needs to communicate. This means all data exchanges, even between secondary devices, must go through the primary device.

In the ______ Method, All Data Exchanges Must Be Made