单选题A technician is working on a PC that may have malware. Which of the following should thetechnician try FIRST?（）AEducate the end user about how a computer becomes infected.BPerform a clean install of the OS.CBoot the PC in Safe Mode.DQuarantine all infected files.
单选题
A technician is working on a PC that may have malware. Which of the following should thetechnician try FIRST?（）
A
Educate the end user about how a computer becomes infected.
B
Perform a clean install of the OS.
C
Boot the PC in Safe Mode.
D
Quarantine all infected files.
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