A user reports sporadic connectivity with their wireless connection. A technician determines thewireless speed reported by the laptop to be 1Mbps.Which of the following is the MOST likely cause of this issue?（）
A. The client does not support 802.11n
B. Incorrect frequency on the client is being used
C. Incorrect encryption on the AP
D. The client distance from the AP
参考答案：D
