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單項選擇題

A technician is servicing a customer’s color laser printer and notices excess toner in the printer.Which of the following tools would BEST assist the technician in removing the excess toner?（）

A. Damp towel
B. Compressed air
C. Alcohol wipe
D. Computer vacuum

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單項選擇題

Which of the following would BEST provide cooling to a processor?（）

A. Case fan
B. Heatsink
C. Liquid cooling system
D. CPU fan

單項選擇題

Which of the following should be done FIRST to a hard drive before it is disposed?（）

A. Partition
B. Physical damage
C. Data wipe
D. Format

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