6. After you service a laser printer, you notice dirty print. Which of the following would correct the problem?

A. Clean the developer tank
B. Reset the printer
C. Run several blank pages
D. Clean the laser diode
E. None of the above

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7. During the boot process, a system first counts memory from where?

A. Expansion memory board
B. Video adapter
C. System board
D. Cache
E. None of the above

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8. What command is used to reset a MODEM when using the

A. ATR
B. ATZ
C. DTR
D. DCE
E. None of the above

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9. Modems use _____ transmission.

A. Synchronous
B. Asynchronous
C. Timed interval
D. PPP
E. None of the above

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10. What should he use to extinguish a computer fire?

A. fire hose
B. class a extinguisher
C. class c extinguisher
D. silver foam water
E. None of the above

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