Which of the following statements about the delay test is wrong?

Which of the following statements about the delay test is wrong?
A . The delay is divided into the delay of the store-and-forward device and the delay of the bit-forward device. Huawei devices are all store-and-forward devices
B. The timing starts from the entry of the first bit of the data frame, and ends when the first bit of the data frame appears on the output terminal P. The time difference between the two is the delay of the bit forwarding device
C. The timing starts from the entry of the first bit of the data frame, and ends when the first bit of the data frame appears on the output terminal P. The time difference between the two is the delay of the bit forwarding device
D. During the delay test, the frame rate can be greater than the throughput

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Answer: D