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單項(xiàng)選擇題

Which of the following percentages is required for Disk Defragmenter to fully defragment thevolume?（）

A.5%
B.15%
C.25%
D.50%

單項(xiàng)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.