Backup types and strategies MCQs in DBMS

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1. Which type of backup captures all data and database objects at a specific point in time?



2. Which backup type saves only the changes made since the last full or incremental backup?



3. What is the main advantage of using incremental backups?



4. What is the primary disadvantage of incremental backups?



5. Which backup strategy involves creating copies of the database at regular intervals and using those for recovery?



6. What is a primary feature of a differential backup?



7. Which backup method involves capturing the database state and allowing rollback to that state without affecting the rest of the system?



8. In which scenario would a log backup be most useful?



9. What is the primary goal of a backup rotation strategy?



10. Which backup strategy is characterized by periodic full backups and incremental backups taken between them?



11. What does the “3-2-1 backup rule” involve?



12. Which backup type is typically used to protect against the risk of data loss due to hardware failures?



13. What is a primary benefit of using a backup strategy that includes offsite backups?



14. Which backup type involves capturing only the changes since the last full backup?



15. Which approach to backup involves capturing database changes and storing them in a way that allows the database to be restored to any point in time?



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