单项选择题 Bob, a technician, needs to backup a user’s local My Documents on a Windows XP workstation.Which of the following is the QUICKEST way to the user’s folder?（）

单项选择题 Which of the following is the MOST likely cause of a low wireless signal after an internal wireless adapter on a laptop was replaced?（）

单项选择题 Which of the following would be the BEST device to use when removing a loose screw from theinside of a laptop?（）