Oracle 1Z0-025 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle8i: Backup and Recovery |
| Exam Number: | 1Z0-025 |
| Passing Score: | 70% (42/60) |
| Real Exam Qty: | 60 |
| Exam Price: | USD $125 - $195 (historical) |
| Certificate Validity Period: | Retired December 31, 2004; earned credentials remain valid |
| Exam Format: | Multiple-choice questions |
| Exam Duration: | 90 minutes |
| Available Languages: | Japanese, English |
| Related Certifications: | Oracle8i DBA OCP Oracle9i DBA OCP (upgrade path) |
| Recommended Training: | Oracle8i Backup and Recovery Course |
| Exam Registration: | Oracle Education & Certification |
| Sample Questions: | Oracle 1Z0-025 Sample Questions |
| Exam Way: | Proctored onsite at Prometric testing centers |
| Pre Condition: | Recommended: 1Z0-023 Oracle8i Architecture and Administration; required as part of Oracle8i OCP track |
| Official Syllabus URL: | https://education.oracle.com/ |
Oracle 1Z0-025 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: User-Managed Backups | 20% | - Control File & Redo Log Backups - Operating System Level Backups - Consistent & Inconsistent Backups |
| Topic 2: High Availability & Troubleshooting | 15% | - Backup/Recovery Troubleshooting - Recovery Catalog Maintenance - Standby Database Concepts |
| Topic 3: Oracle Backup & Recovery Concepts | 15% | - Instance vs Media Failure - ARCHIVELOG vs NOARCHIVELOG Mode - Redo Log Architecture |
| Topic 4: Export/Import & Logical Backup | 10% | - Logical Backup Strategies - EXP/IMP Utilities |
| Topic 5: Recovery Manager (RMAN) Basics | 20% | - RMAN Architecture & Repository - Full & Incremental Backups - Restore & Recover with RMAN |
| Topic 6: User-Managed Recovery | 20% | - Incomplete Recovery Techniques - Recovering Critical Files - Complete Media Recovery |
Oracle Backup and Recovery Sample Questions:
Which two benefits do the command?
ALTER DATABASE MOUNT CLONE DATABASE
Offer for the tablespace point-in-time recovery? (Choose two)
- A. It allows you to remove a data file that has been added to the wrong tablespace.
- B. It allows the export to recover statistics on the tables.
- C. It allows the POINT_IN_TIME_RECOVERY option on the export to function.
- D. It allows the SYSTEM tablespace to become a transportable tablespace.
- E. It prevents accidental corruption of the primary database.
Correct Answer: A,C 🗳️
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What are two causes of a user process failure? (Choose two)
- A. The application program receives an addressing exception.
- B. A table is accidentally truncated.
- C. There is a head crash on the disk containing a database file.
- D. There is a logic error in the application.
- E. The user issues an abnormal interrupt.
Correct Answer: B,D 🗳️
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The alert log will never contain specific information about which database backup activity?
- A. Placing datafiles in begin backup mode.
- B. Performing an operating system backup of the database files.
- C. Shutting the database down with an ABORT.
- D. Changing the database backup mode from ARCHIVELOG to NOARCHIVELOG.
Correct Answer: B 🗳️
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If a DBA restores a read-only tablespace from a backup taken before the tablespace was made read-only, what must the DBA do next?
- A. Recreate the control file.
- B. Make the tablespace locally-managed.
- C. Complete media recovery.
- D. After the tablespace to become read-only.
Correct Answer: C 🗳️
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What is the function of ARCn in instance recovery?
- A. It writes dirty buffers from the buffer cache to the data files.
- B. It frees resources held by user processes.
- C. It writes data to the online redo log files.
- D. It synchronizes data file header and control files.
- E. It writes data to the archive log files.
- F. The archive process does not take part in instance recovery.
Correct Answer: F 🗳️
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