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Oracle 1Z0-025 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Flashback Technology (Oracle 10g) | - Flashback Table - Flashback Query |
| Backup Concepts and Strategies | - Backup types (cold, hot, full, incremental) - Backup strategies and scheduling considerations |
| Recovery Manager (RMAN) | - Recovery catalog usage - RMAN architecture and configuration - RMAN backup commands and scripts |
| Database Recovery Techniques | - Complete and incomplete recovery - Media recovery and instance recovery - Recovery from user errors |
| Archived Redo Log Management | - ARCHIVELOG mode configuration - Archived log maintenance and recovery usage |
Oracle Backup and Recovery Sample Questions:
Which statement about 'time-based recovery' is true?
- A. Recovery is stopped by entering CANCEL at the recovery prompt.
- B. Recovery is stopped when the database has committed all changes up to the specified system changes number (SCN).
- C. Recovery is stopped after the database has committed all changes up to the specified point of time.
- D. Recovery is stopped when the specified method of recovery (CANCEL, TIME, or CHANGE)
- E. Recovery is stopped by pressing at <CTL-C> the recovery prompt.
Correct Answer: C π³οΈ
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Given the RMAN script:
run(
allocation channel t2 type 'SET_TAPE'
backup filesperset 3
format '/disk1/backup/ar_%t_%s_%p'
(Archivelog from logseq*1056 until logseq*1056
thread*1 delete input):
)
What does this script do?
- A. Backup one archived log into three backup set.
- B. Backup one data file into one backup set.
- C. Backup three archived logs into three backup pieces.
- D. Backup one archived log into one backup piece.
- E. Backup three archived logs into one backup set.
- F. Backup three data files into one backup set.
Correct Answer: C π³οΈ
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You have determined that one of the data files belonging to the SYSTEM tablespace is corrupt. Which complete media recovery scenario do you choose?
- A. You cannot recover from the corruption of a database file belonging to the SYSTEM tablespace except by going back to the last full backup.
- B. Complete recovery - opened database, initially closed.
- C. Complete recovery - opened database, initially opened.
- D. Complete recovery - mounted database.
Correct Answer: A π³οΈ
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The Export utility must be used to transfer certain object to another database. You
have determined that these objects include all table triggers, snapshots, tables, and
views for a particular user.
Which Export mode should you use to export these objects?
- A. Incremental
- B. Complete
- C. Table
- D. User
Correct Answer: D π³οΈ
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When creating a standby database, which files must be transferred to the standby server?
- A. The database backup and the archived redo-log files.
- B. The standby control file, the database backup, and the online redo-log files.
- C. The standby control file, the database backup, and the archived redo-log files.
- D. The database backup and the online redo-log files.
Correct Answer: C π³οΈ
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