61.
How is block-change tracking enabled?
- A.With alter database enable block change tracking
- B.With alter system enable block change tracking
- C.With an init.ora parameter change
- D.With an spfile parameter change
- Answer & Explanation
- Report
Answer : [A]
Explanation :
Explanation :
| Block-change tracking must be enabled with alter database enable block change tracking. The physical location and name of the block-change tracking file must be supplied. |
62.
What type of backup is stored in a proprietary RMAN format?
- A.Backup set
- C.Backup section
- B.Image copy
- D.Backup group
- Answer & Explanation
- Report
Answer : [A]
Explanation :
Explanation :
| The backup set is stored in a proprietary RMAN format, where only used blocks are backed up. |
63.
Consider the following command:
Backup database plus archivelog delete input;
How many backup sets would be created by this command if the following were true:
Backup database plus archivelog delete input;
How many backup sets would be created by this command if the following were true:
- Control-file auto backups were enabled.
- The size of backup sets was not restricted.
- One channel was allocated.
- A.1
- C.3
- E.5
- B.2
- D.4
- Answer & Explanation
- Report
Answer : [D]
Explanation :
Explanation :
The following backup sets would be created:
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64.
Which command creates an image copy?
- A.backup as copy
- C.copy as backup
- B.backup copy
- D.copy back
- Answer & Explanation
- Report
Answer : [A]
Explanation :
Explanation :
| The backup as copy command is used to create an image-copy backup. |
65.
Compressed backups work with which of the following commands?
- A.copy as backup
- C.backup
- B.backup as copy
- D.copy
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| Compressed backups work only with backup sets, not image copies. Thus, compressed backups will work only with the backup command. |
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