多项选择题

Which of the following will allow Karen, a technician, to determine if the correct voltages are reaching the computer components? (Select TWO).（）

A. Power supply tester
B. Cable tester
C. Loopback plugs
D. Multimeter
E. Butt set

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单项选择题
A technician has replaced a video card with another manufacturer’s video card. The driverinstallation does not complete. Which of the following steps should the technician take FIRST?（）

A. Roll back the driver.
B. Install the original video card and reboot.
C. Delete the monitor.
D. Remove the video card and reboot.
单项选择题
Where can a user find the System32 folder on a Windows Vista x64 system?（）

A.C：\Windows\System32（x64）
B.C：\Windows\System
C.C：\Windows\System32
D.C：\Windows（x64）\System32
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