单项选择题

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 warehouse with outside ventilation.
D.A clean， carpeted room with air purifiers and dehumidifiers.

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多项选择题

Which of the following can be used to determine the amount of physical memory installed in a laptop？（）

A.Check Device Manager Snap-in.
B.Type WINVER in the command prompt.
C.Check the BIOS.
D.Check System Information in the Accessibility folder.
E.Check System Information.

单项选择题

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 computer.
C.Replace the cable that attaches the power supply to the motherboard.
D.Replace the power supply.

单项选择题

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 system will not start up.
C.The case is too small for the motherboard.
D.The motherboard was not meant for this style of case.