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Storage Networking Fundamentals: An Introduction to Storage Devices, Subsystems, Applications, Management, and Filing Systems by Marc Farley

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Chapter 13

1: Name four uses for backup technology.
A1: Answer: Disaster protection, historical archiving, system migration, data sharing
2: What is offline storage?
A2: Answer: Storage that cannot be accessed without an administrator's making it available
3: What does backup metadata do?
A3: Answer: It keeps data about backup operations and tapes.
4: What does tape rotation do?
A4: Answer: It determines which tapes to use and when.
5: Explain the difference between incremental and differential backups.
A5: Answer: Incremental backups copy data that has changed since the last backup. Differential backups copy data that has changed since the last full backup.
6: What is hot backup?
A6: Answer: Hot backup operates while the application system is running.

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