单项选择题

Which of the following RAID configurations takes advantage of mirroring？（）

A.RAID 1
B.RAID 5
C.RAID 0
D.RAID 2

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多项选择题

Which of the following should be considered when upgrading memory？（）

A.speed of memory
B.memory slot color
C.type of memory
D.CPU speed
E.BIOS version

单项选择题

A user reports that when trying to print a document nothing comes out of the printer and states that the only printer in the printer dialog box is ’Microsoft Office Document Image Writer.’ The technician should understand that the problem is that the printer：（）

A.has not been installed on the user’s computer.
B.is not turned on.
C.driver is corrupt.
D.cable is unplugged.

单项选择题

A user reports that the display on the laptop appears blurred. Which of the following is MOST likely the cause？（）

A.The LCD is not running in its native resolution.
B.LCD monitors do not appear blurred.
C.The drivers are improperly installed.
D.More video memory needs to be allocated.