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Oracle 1Z0-025 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Archived Redo Log Management | - Archived log maintenance and recovery usage - ARCHIVELOG mode configuration |
| Topic 2: Database Recovery Techniques | - Complete and incomplete recovery - Recovery from user errors - Media recovery and instance recovery |
| Topic 3: Recovery Manager (RMAN) | - RMAN architecture and configuration - Recovery catalog usage - RMAN backup commands and scripts |
| Topic 4: Backup Concepts and Strategies | - Backup types (cold, hot, full, incremental) - Backup strategies and scheduling considerations |
| Topic 5: Flashback Technology (Oracle 10g) | - Flashback Query - Flashback Table |
Oracle Backup and Recovery Sample Questions:
Question 1
You have been informed that the ORDER table was dropped two days ago. It is unwise to
perform an incomplete recovery of this database; therefore, your only option is to
perform tablespace point-in-time recovery.
What are two ways this can be done in Oracle8i?
A. Create and recover a clone database, export the table from the clone database, then import it into the primary database.
B. Create and recover the database on another machine and use the transportable tablespace option.
C. Create and recover a clone database and export the primary database into this new database.
D. Recover only the files for the tablespace that contains the ORDER table.
Question 2
Which two actions must you take to stop automatic archiving of redo-log files? (Choose two)
A. Issue the ALTER SYSTEM SET LOG_ARCHIVE_START=FALSE; command.
B. Issue the ALTER SYSTEM ARCHIVE LOG STOP ; command.
C. Set LOG_ARCHIVE_STOP=TRUE in the parameter file and restart the database.
D. Set LOG_ARCHIVE_START=FALSE in the parameter file and restart the database.
Question 3
A backup file named user01_2.dbf in the '/disk3/backup' directory is no longer
needed and must be deleted. You are using the recovery catalog.
Which set of command must you issue to delete this entry from the recovery
catalog?
A. Rman> allocate channel for delete type * file
Rman> change datafilecopy '/disk3/backup/user01_2.dbf'
Rman> release channel;
B. Rman> allocate channel for delete type * file
Rman> change datafilecopy '/disk3/backup/user01_2.dbf' delete
Rman> release channel;
C. Rman> allocate channel for delete type * disk
Rman> change datafilecopy '/disk3/backup/user01_2.dbf'
Rman> release channel;
D. Rman> allocate channel for delete type * disk
Rman> change datafilecopy '/disk3/backup/user01_2.dbf' delete
Rman> release channel;
Question 4
Which statement regarding recovery manager with a database operating in NOARCHIVELOG mode is true?
A. Recovery manager only works in conjunction with a tape subsystem.
B. Recovery manager supports multi-level incremental backups.
C. Recover manager requires a recovery catalog.
D. Recovery manager is compatible with enterprise backup utility.
Question 5
What is recommended initial size for a tablespace containing an RMAN recovery catalog?
A. 10M
B. 10% of size of the target database.
C. 20M
D. 100M
Solutions:
| Question 1 Answer: A | Question 2 Answer: B,D | Question 3 Answer: D | Question 4 Answer: B | Question 5 Answer: A |






