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單項(xiàng)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

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單項(xiàng)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

單項(xiàng)選擇題

A technician is preparing user education to raise awareness of malware. The technician’s goal is to increase user awareness and prevent the future spread of malware. All of the following are malware symptoms EXCEPT:（）

A. increased number of pop-ups.
B. decreased volume of spam.
C. decreased system performance.
D. home page hijacking.