11. Backward recovery is used to reverse the changes made by transactions that have aborted, or terminated abnormally.

A. True
B. False

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12. A disaster recovery plan does not need to include the shipment of database backups to other sites.

A. True
B. False

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13. With concurrent processing involving updates, a database with concurrency control will be compromised due to interference between users.

A. True
B. False

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14. Data modeling and database design are key responsibilities of data and database administration.

A. True
B. False

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15. Incorrect data is easy to detect.

A. True
B. False

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