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MCQs

Total Questions : 46 | Page 3 of 5 pages
Question 21. Information repositories are replacing data dictionaries in many organizations.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 22. Mirrored databases are almost always provided in high-availability systems.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 23. Databases are not the property of a single function or individual within the organization.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 24. Queries that do full table scans should be avoided.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 25. The restore/rerun technique involves reprocessing the day's transactions up to the point of failure.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 26. Backward recovery is used to reverse the changes made by transactions that have aborted, or terminated abnormally.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 27. A disaster recovery plan does not need to include the shipment of database backups to other sites.
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False
Question 28. With concurrent processing involving updates, a database with concurrency control will be compromised due to interference between users.
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False
Question 29. Data modeling and database design are key responsibilities of data and data base administration.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 30. Incorrect data is easy to detect.
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False

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