单项选择题

Which of the following could be disabled to improve performance and response, in Windows Vista,on a computer with an older video card?（）

A. Desktop Icons
B. Aero
C. Task Manager
D. UAC

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单项选择题

After POST, the error message ‘Invalid system disk. Replace and press any key’ appears. Which of the following is MOST likely the cause?（）

A. There is a non-bootable CD in the CD-ROM drive.
B. There is a non-bootable DVD in the DVD-ROM drive.
C. There is a non-bootable Blu-Ray in the Blu-Ray drive.
D. There is a non-bootable floppy in the floppy drive.

单项选择题

A user states while making several attempts to install a new version of their graphics application,they place the disk in the drive and the LED blinks but nothing happens. Which of the following is the FIRST action to perform?（）

A. Clean the drive with an approved cleaning disk.
B. Check the media for scratches or cracks.
C. Replace the drive with a known good one.
D. Verify the type of media and drive.

单项选择题

A technician cannot access the print queue to delete a print job. Which of the following is the MOST likely cause of this issue? （）

A. Print spooler has stalled
B. Device driver has failure
C. Incorrect form is printing
D. Incompatible driver is installed