单项选择题
After plugging in and installing drivers for a wireless bar code reader, which of the following is the LAST step needed to configure the device?（）
A. Install an inventory tracking application. B. Scan the bar code on the reader’s cradle. C. Enable the device in Device Manager. D. Remove any temporary device drivers.
单项选择题 Which of the following technologies has the HIGHEST potential throughput?（）
单项选择题 Which of the following wireless security techniques is the MOST secure?（）
单项选择题 Which of the following can be hot-swappable?（）
