多项选择题
A. Allow the user to continue working
B. Check for viruses
C. Re-image the hard drive
D. Document time/date for later reference
E. Prevent users from accessing the PC
F. Turn off PC
单项选择题 Which of the following protocols is used by thin clients?（）
单项选择题 A customer needs to run 3 virtual machines on their software design workstation. Which of thefollowing CPUs would be MOST cost effective for this task?（）
多项选择题 When configuring a POS system, which of the following peripheral devices would MOST likelyneed to be installed?（）