单项选择题 A customer reports to Karen, a technician, that a PC’s video card has recently been upgraded and the computer reboots randomly. The last few restarts have happened during movie playback, playing a video game, and video editing. Which of the following is the MOST likely source of this issue?（）

单项选择题 Which of the following utilities would a technician use to prevent a service from starting duringsystem startup?（）

单项选择题 Which of the following groups should a user be added to for the ability to restore files, withoutgranting any ownership privileges?（）