單項選擇題

Which of the following commands should Karen, a technician, use to examine and restoreprotected system files?（）

A.SFC
B.RECOVER
C.REPLACE
D.COPY

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單項選擇題

A color laser printer is producing pages where the ink smears when touched. Which of thefollowing components should be replaced?（）

A. Paper tray
B. Fuser
C. Toner
D. Drum

單項選擇題

Core files required for user applications are stored in which of the following locations?（）

A. Program files
B. Temporary files
C. Windows
D. Documents and settings