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Oracle 1Z0-025 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: High Availability & Troubleshooting | 15% | - Backup/Recovery Troubleshooting - Standby Database Concepts - Recovery Catalog Maintenance |
| Topic 2: User-Managed Backups | 20% | - Operating System Level Backups - Control File & Redo Log Backups - Consistent & Inconsistent Backups |
| Topic 3: User-Managed Recovery | 20% | - Complete Media Recovery - Incomplete Recovery Techniques - Recovering Critical Files |
| Topic 4: Export/Import & Logical Backup | 10% | - Logical Backup Strategies - EXP/IMP Utilities |
| Topic 5: Recovery Manager (RMAN) Basics | 20% | - Full & Incremental Backups - Restore & Recover with RMAN - RMAN Architecture & Repository |
| Topic 6: Oracle Backup & Recovery Concepts | 15% | - Redo Log Architecture - Instance vs Media Failure - ARCHIVELOG vs NOARCHIVELOG Mode |
Oracle Backup and Recovery Sample Questions:
1. In which two situations would you have to apply redo information to a read-only tablespace? (Choose two)
A) When the tablespace being recovered has always been writeable.
B) When the tablespace being recovered is writeable, but was read-only when the last backup occurred.
C) When the tablespace being recovered is read-only and was read-only when the last backup occurred.
D) When the tablespace being recovered is unknown to the control file.
E) When the tablespace being recovered is read-only, but was writeable when the last backup occurred.
2. What kind of destination can DBA choose when specifying the LOG_ARCHIVE_DEST_n parameter?
A) A Net8 listener name.
B) Only a Net8 alias for a remote database.
C) Only a local dictionary.
D) A local dictionary or Net8 alias for a remote database.
3. Which two benefits do the command?
ALTER DATABASE MOUNT CLONE DATABASE
Offer for the tablespace point-in-time recovery? (Choose two)
A) It allows the SYSTEM tablespace to become a transportable tablespace.
B) It allows the POINT_IN_TIME_RECOVERY option on the export to function.
C) It prevents accidental corruption of the primary database.
D) It allows the export to recover statistics on the tables.
E) It allows you to remove a data file that has been added to the wrong tablespace.
4. In which situation would you need to create a new control file for an existing database?
A) When all redo-log files are lost.
B) When MAXLOGMEMBERS needs to be changed.
C) When RECOVERY_PARALLELISM needs to be changed.
D) When the name of the parameter file needs to be changed.
5. What is the effect of issuing an ALTER DATABASE OPEN RESETLOGS command on the primary database?
A) It invalidates the standby database.
B) Once the archived log files are applied to the standby database, the redo log of the standby database is reset.
C) The standby database can only be used in read-only mode.
D) A new standby database incarnation will automatically be started.
Solutions:
| Question # 1 Answer: B,E | Question # 2 Answer: D | Question # 3 Answer: B,E | Question # 4 Answer: B | Question # 5 Answer: A |
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