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CompTIA Security+ Exam Prep

Category - Operations

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Backing up software and having backup hardware devices are two large parts of network availability. What provides continuous online backup functionality?

Redundant Networks
Storage Area Networks
Mainframes
Hierarchical Storage Management

Explanation

Answer: D - Hierarchical Storage Management (HSM) provides continuous online backup functionality. It combines hard disk technology with the cheaper and slower optical or tap jukeboxes. The HSM system dynamically manages the storage and recovery of files, which are compiled to storage media devices that varies speed and cost. The faster media hold the data that are accessed more often and the seldom-used files are stored on the slower devices.

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CompTIA Security+ Exam Prep

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