多项选择题
A technician is attempting to get into the BIOS and they are being prompted for a password. Which of the following can clear the BIOS password？（）
A.Pull the CMOS battery.
B.Pull the 20/24 pin connector from the main board.
C.Short the reset circuit near the RAM.
D.Use the appropriate jumper on main board.
E.Use the reset button on the front panel.
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Acustomerreportsthattheirsoundisnotworking.Theystatethatthespeakersworkedpreviously.Whichofthefollowingshouldthetechniciancheck？（）
A.Speakers are in regulatory compliance.
B.Speakers are on and the mute is off.
C.Ensure the speakers are on the Windows HCL.
D.Verify the system has enough hard drive space.
E.The audio driver is installed correctly.
F.Speakers are plugged into the correct jack. -
单项选择题
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A.Add Hardware Wizard
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C.Disk Management
D.Control Panel -
单项选择题
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A.User Account Control （UAC）.
B.Windows Sidebar.
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D.Aero Interface.
