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單項選擇題

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.

單項選擇題

Which of the following errors are caused by leaving a floppy disk in the drive when a computer is powered on?（）

A. Random bluescreen error
B. Inaccessible boot drive
C. Missing NTLDR
D. Invalid boot disk