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问题：多选题Which of the following is the voltage that an ATX molex connector delivers to an IDE device？ （）A-3.3 VoltsB24 VoltsC120 VoltsD12 VoltsE5 Volts...
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问题：单选题Which of the following would be an example of a biometric device？（）A USB security keyB smart card readerC thumb print readerD encryption password...
问题：单选题When installing a new Plug and Play sound card， a technician should turn off and unplug the computer； remove the computer’s cover； locate the sound card slot， insert and secure the card in the slot and：（）A plug in and turn on the computer； let Windows ...
问题：单选题When experiencing video problems， which of the following should be performed FIRST to ensure that the monitor is not causing the problem？ （）A Check for the latest video drivers.B Install a known-good video adapter.C Attach the monitor to a known-good c...
问题：单选题A technician receives a laptop that is running out of battery power more quickly than expected.Which of the following can the technician do to correct the problem？ （）A Note on the work order that the laptop is losing battery capabilities and the laptop...
问题：单选题Which of the following desktop hardware should a technician be MOST concerned with disposing of correctly？（）A batteriesB power cordsC disk drivesD hard drives...
问题：单选题Which of the following makes toner stick to paper？（）A corona transfer wireB fuser assemblyC drum assemblyD pickup roller assembly...
问题：单选题A new computer is displaying the wrong amount of memory. Which of the following may be the cause？（）A The module is installed backwards.B A USB device is using some memory.C An onboard video card is using some memory.D The CPU is using some memory....
问题：单选题A technician is performing scheduled preventive maintenance on a laser printer. Which of the following should the technician clean or replace？ （）A fuserB ozone filterC transfer coronaD primary corona...
问题：单选题Which of the following is the process a scanner uses to scan images to a computer？（）A Light is shown through the image and onto the scanner headB Light is reflected off a mirror onto the Charged Coupled Device （CCD）C Light is flashed off a mirror onto ...
问题：单选题Which of the following item colorizes the paper using a two-component laser printer？ （）A tonerB laser beamC developerD ribbon...
问题：单选题Which of the following would be the safest environmental condition for working on multiple systems at one time？（）A A tiled room with anti-static mats and wrist straps.B A clean， carpeted room with anti-static mats and wrist straps.C A tiled room in a w...
问题：单选题A printer takes a long time to print high-end graphics. Which of the following would be the FIRST action to take？（）A Recommend the use of smaller graphics.B Replace the toner cartridge.C Recommend connecting fewer users to the printer.D Check the amou...
问题：单选题A technician receives a new printer for repair and the work order states that when powered on the printer makes a loud noise and will not print. Which of the following actions should the technician take？ （）A Install new drivers on the computer.B Insta...
问题：多选题When a computer does not recognize an internal modem， a technician should determine whether：（）Athe modem is seated properly.Bthe number being dialed is valid.Cthere are resource conflicts.Dthere is power to the modem.Ethe modem speaker is enabled....
问题：单选题A technician receives a work order requesting the installation of an NLX motherboard into a micro ATX case. Which of the following should the technician recognize？（）A A standard ATX power supply will not be able to connect to the NLX adapter.B The syst...
问题：单选题A technician is performing preventive maintenance on the hardware components in a workstation. Which of the following actions should the technician take？ （）A Remove the case front and clean the air vents.B Unplug the capacitors from the board and clean...
问题：单选题A computer has been upgraded with a new hard drive and after reassembling the computer and turning the computer on， the drive LED remains lit and an error message during power-on self test （POST） states， ’No Drive Present.’ Which of the following would...
问题：单选题A technician receives a computer for repair and observes that the fan on the power supply is not moving. Which of the following should the technician do？ （）A Move the power supply voltage switch to 220 volts.B Add an additional fan to help cool the com...
