单项选择题 Which of the following is enabled in the BIOS that will prompt a user to enter their password every time the laptop performs a POST?（）

单项选择题 A technician replacing a CRT monitor and the battery inside of a UPS wishes to dispose of thereplaced hardware. Which of the following should the technician do to BEST ensure properdisposal?（）

单项选择题 A computer’s case fan protects against which of the following environmental concerns?（）