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

A. True
B. False

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

A. True
B. False

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

A. True
B. False

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

A. True
B. False

15. Incorrect data is easy to detect.

A. True
B. False