单项选择题
A. Remove all of the memory
B. Plug in the AC adapter
C. Remove the hard drive and optical drive
D. Clear the partitions on the hard drive
单项选择题 A user has reported that everyday at 12:00 p.m. their workstation becomes sluggish with Internet access and overall performance. Which of the following will MOST likely resolve this issue?（）
单项选择题 Which of the following is the BEST way for Karen, a technician, to mitigate phishing attempts?（）
单项选择题 A technician is trying to retrieve a screw that fell inside a case and is just out of reach. Which of the following is the BEST procedure to retrieve the screw?（）