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Hierarchical Storage Management (HSM) is commonly emplo…

Hierarchical Storage Management (HSM) is commonly employed in:

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A.
very large data retrieval systems.

B.
very small data retrieval systems.

C.
shorter data retrieval systems.

D.
most data retrieval systems.

Explanation:
HSM (Hierarchical Storage Management) provides continuous online backup functionality. It combines hard
disk technology with the cheaper and slower optical or tape jukeboxes. HSM is typically used in very large data
retrieval systems.
Incorrect Answers:
B: HSM is typically not used in small data retrieval systems.
C: HSM is not used in small data retrieval systems.
D: Due to the added complexity of HSM, it is used only in very large data retrieval systems.

Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, New York, 2013, p. 1274


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