题目：
选择题
Which of the following descriptions in WRONG about the uses of Wi-Fi? __________
- A. Each station is constantly tuned in on the channel.
- B. The hardware provides indication to the sender about whether the transmission was delivered
- C. All stations share a single radio frequency communication channel.
- D. A carrier wave is used to transmit the data in packets.
答案：
<查看本题扣1积分>