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Every computer system has a database of information files. These files must be

A Backed up daily

Computer files should be backed up daily.



10 months ago

I have ptcb practices & this type of math is on none of the real practices from the past few years for the ptcb.. Summing up totals? Wasting my time since I see these are not on the actual test why waste my time.

Trillium Forest

10 months ago

Wonderful prep

janet Dowdy

10 months ago

Wow! The best study guide out there

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