What is the relationship between a wireless client’s data rate and the throughput for the client’s traffic?

A. The throughput is 90 percent of the data rate.

B. The throughput is equal to the data rate multiplied by the connection time, minus the headers’ bytes.

C. The throughput is less than the data rate and also depends on factors such as number of clients in the cell.
D. The data rate and the throughput are equivalent.