单项选择题
After creating backups of critical system and user data, which of the following is the BEST location to store the backups?（）
A. In the supply closet so anyone can access them if needed B. Near the server for easy access to restore files C. Locked in a cabinet in the IT Manager’s office D. At a secure off-site storage facility
多项选择题 Which of the following are impact printers?（）
单项选择题 Which of the following is the MOST likely default configuration for a serial port?（）
单项选择题 Which of the following BEST describes the function of hyperthreading support within a CPU?（）
