Oracle Database Administration II — Question 54
Which four are true about RMAN backup sets? (Choose four.)
Answer options
- A. A backup piece can belong to only one backup set.
- B. A data file can be split into multiple sections stored in different backup sets.
- C. A data file can be split into multiple sections stored in different backup pieces in the same backup set.
- D. Blocks from multiple data files can be contained in one backup piece.
- E. A backup set can contain only one backup piece.
- F. A backup set must be written to media.
- G. A backup set must be written to disk.
- H. Blocks from multiple data files can be contained in one backup set.
Correct answer: A, C, D, H
Explanation
The correct answers A, C, D, and H accurately describe the characteristics of RMAN backup sets. For example, A emphasizes that a backup piece is unique to a backup set, while C and D highlight the flexibility in how data files and blocks can be organized. Options B, E, F, and G are incorrect as they misrepresent the relationships and requirements of backup sets and pieces.