单项选择题
A. increased number of pop-ups.
B. decreased volume of spam.
C. decreased system performance.
D. home page hijacking.
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?()
单项选择题 Which of the following is the BEST way for Karen, a technician, to mitigate phishing attempts?()