单项选择题
Which of the following commands will be run at a command prompt to determine which WindowsOS is running on the computer?（）
A.VER
B.Device Manager
C.VERIFY
D.SET
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A. Pull the hard drive and install it in a spare laptop of the same make and model.
B. Replace the motherboard on the laptop.
C. Build the executive a temporary laptop and attempt to repair the damaged one.
D. Replace the backlight on the laptop. -
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A user is reporting that their computer is making strange noises and randomly powers off. Which of the following tools would MOST likely be used to troubleshoot this problem?（）
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Which of the following could cause an NTLDR error on reboot?（）
A. Processor is failing
B. Services failed to start on bootup
C. RAM is faulty
D. Boot.ini file is corrupt
