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单选题
A user reports poor picture quality with a laptop connected to an LCD. Which of the followingshould the technician check FIRST for optimal picture quality?（）
A
Native resolution
B
Color depth
C
Minimum brightness
D
Maximum brightness
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单选题A technician replaces a user’s 15 inch LCD with a 20 inch LCD. Later, the user informs thetechnician that icons are very large and the text on the monitor is fuzzy and distorted. Which of the following is MOST likely the cause?（）A
The contrast setting needs to be raised from the default.B
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The monitor needs to be degaussed to clarify the picture.
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单选题A user reports that they are unable to print to a remote printer. Which of the following should the technician check FIRST？（）A
Printer driverB
Protocol stackC
Network connectivityD
Correct patch application
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单选题A home user working outside an office reports that their laptop is no longer connecting to theInternet. Which of the following would a technician recommend to check FIRST?（）A
Windows Firewall settingsB
DHCP settingsC
Disable HomeGroupD
Wireless on/off switch
考题
单选题A user reports that their touchpad no longer works on their laptop. Which of the following is the FIRST troubleshooting step?（）A
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Plug in an external monitor to test the video card.B
Run a check disk scan to verify there is no corruption.C
Check if the laptop is now on battery power.D
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考题
单选题A user states that the wireless on their laptop was working when they where at home, however,now in the office no wireless connection can be made. Which of the following should the technician check FIRST?（）A
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If the laptop is connected to the correct gatewayC
If the SSID is enabledD
If the DHCP address scheme is correct
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Agree with the user’s complaintsB
Clarify the user’s statementsC
Minimize the user’s criticismD
Shadow the other technician on the next repair
考题
单选题A user reports poor picture quality with a laptop connected to an LCD. Which of the followingshould the technician check FIRST for optimal picture quality?（）A
Native resolutionB
Color depthC
Minimum brightnessD
Maximum brightness
考题
单选题A customer reports that the laser printer produces poor quality printouts. Having arrived onsite, the technician has a discussion with the customer and reviews some examples of their print jobs. Which of the following should the technician do NEXT? （）A
Clean the toner cartridge.B
Change the paper.C
Replace the fuser.D
Print a test page.
考题
单选题A technician is troubleshooting a laptop LCD, and when the cover is opened nothing shows on the screen. Then all of a sudden the screen comes on and works fine. Which of the following should the technician check FIRST?（）A
BacklightB
InverterC
Loose cableD
Lid switch
考题
单选题After opening up the lid of a laptop that is powered on, nothing is displayed on the LCD. Opening and closing the lid multiple times usually causes the display to regain the signal. Which of the following components should the technician check FIRST?（）A
MotherboardB
Video cardC
Cutoff switchD
AC adapter
考题
单选题Which of the following video outputs from a media PC provide the BEST picture quality， when connecting the media PC to a projector？（）A
SVGAB
VGAC
S-VideoD
DVI
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