单项选择题
Which of the following allows a Windows 7 remote user to edit a file offline then automatically update the changes when back in the office?（）
A. Windows Defender
B. Sync Center
C. Windows Aero
D. HomeGroup
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A technician is booting up a computer but the computer never moves beyond POST. The floppydisk drive light stays lit continuously during the boot process. Which of the following is the MOST likely cause?（）
A. The hard drive is not formatted.
B. The BIOS is corrupted.
C. The motherboard has faulty capacitors.
D. The drive cable is backwards -
单项选择题
A program configuration file on a shared computer changes each time the program is run, causing the program to fail. Which of the following steps could a technician take to help prevent this file from being changed?（）
A. Set the group’s folder permissions to deny.
B. Use Event Viewer to monitor changes to the file.
C. Store a backup copy of the file on a USB drive.
D. Change the file attribute to read only. -
单项选择题
A user installed a Blu-Ray drive in their PC. The user reports that the new drive and their existing DVD-RW drive are not operating. Which of the following needs to be replaced?（）
A.Power supply
B.DVD-RW
C.Blu-Ray drive
D.Motherboard
