单项选择题 A technician is preparing user education to raise awareness of malware. The technician’s goal is to increase user awareness and prevent the future spread of malware. All of the following are malware symptoms EXCEPT:（）

单项选择题 A technician is preparing to update the BIOS on a laptop. Which of the following should thetechnician do to prevent problems during the update?（）

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?（）