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Chapter 3 · SoftwarePractice
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CONCEPT PRACTICE

Backups for recovery from faults

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Volume 1 · Chapter 3 · Textbook Exercises · Q16

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Which of the following is an appropriate description concerning a file backup?

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Source: FE Vol 1.pdf, PDF page 255, textbook p. 245 · Information-technology Promotion Agency, Japan · First Edition: April, 2015. ID: tb-v1-c3-q16. Publisher answer and commentary · private review.

Original question · Q16
Q16 Which of the following is an appropriate description concerning a file backup? a) In a system such as RAID0 that performs striping, a file backup is completely unnecessary. b) In order to efficiently perform backup operations, backup files are created on the same physical device. c) A backup can be effective for restoring files that are lost due to a hardware fault or a human error. d) It is inexpensive to use a magnetic tape for the backup of file contents, but it cannot be automated.

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