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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单项选择题

An executive’s laptop screen has been damaged and will not power on. Which of the following is the FASTEST way to get the executive back online?（）

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.

单项选择题

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?（）

A. POST diagnostic card
B. Power supply tester
C. Loop back plug
D. Cable tester

单项选择题

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