Computer Basic Information
What is backup?

Filtering old data from the new data
Protecting data by copying it from the original source to a different destination
None of these
Adding more components to your network
Accessing data on tape

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Computer Basic Information
Which of the following is not true of a magnetic disk?

It provides only sequential access to stored data
It does not provide an automatic audit trail
Users can easily update records by writing over the old data
It is expensive relative to magnetic tape
All of these

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