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Oracle 1Z0-025 Exam Overview:
| Certification Vendor: | Oracle |
| Exam Name: | Oracle Database 10g: Backup and Recovery |
| Exam Number: | 1Z0-025 |
| Available Languages: | English |
| Certificate Validity Period: | Oracle certification generally does not expire for legacy OCP tracks (varies by policy version) |
| Exam Duration: | 90-120 |
| Exam Price: | USD 200–300 (varies by region and time period) |
| Exam Format: | Multiple Choice, Scenario-based Questions |
| Passing Score: | Unknown (typically Oracle scaled score requirement, varies by exam version) |
| Real Exam Qty: | 55-75 (varies by exam version) |
| Related Certifications: | Oracle Certified Professional (OCP) - Oracle Database 10g |
| Recommended Training: | Oracle University Backup and Recovery Training |
| Exam Registration: | Oracle Certification Registration |
| Sample Questions: | Oracle 1Z0-025 Sample Questions |
| Exam Way: | Proctored exam delivered online or at authorized testing centers |
| Pre Condition: | Basic knowledge of Oracle Database administration recommended; often associated with Oracle Database Administrator certification track |
| Official Syllabus URL: | https://education.oracle.com/ |
Oracle 1Z0-025 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Recovery Manager (RMAN) | - Recovery catalog usage - RMAN backup commands and scripts - RMAN architecture and configuration |
| Archived Redo Log Management | - Archived log maintenance and recovery usage - ARCHIVELOG mode configuration |
| Flashback Technology (Oracle 10g) | - Flashback Table - Flashback Query |
| Database Recovery Techniques | - Complete and incomplete recovery - Media recovery and instance recovery - Recovery from user errors |
| Backup Concepts and Strategies | - Backup strategies and scheduling considerations - Backup types (cold, hot, full, incremental) |
Oracle Backup and Recovery Sample Questions:
1. In the view V$DATAFILE_HEADER, what does value 'YES' in the 'FUZZY' column as specified?
A) The data file is part of a read-only tablespace.
B) The data file is locally managed.
C) The data file is corrupted.
D) The data file is in backup mode.
2. The instance crashed after the current online redo-log becomes corrupt. Which action can the DBA take to open the database?
A) Skip recovery and open the database with the RESETLOGS option.
B) Perform a complete recovery of the database.
C) Recover the SYSTEM tablespace.
D) Perform a time-based recovery that stops at the time that the current online redo-log became corrupt.
E) Perform a tablespace recovery.
3. When two or more databases are backed up using RMAN, is it appropriate to use each database as the other's recovery catalog. Why?
A) Yes, but only if the database are run in NOARCHIVELOG mode.
B) Yes. The catalog is a recognized procedure.
C) No. A database that contains a catalog cannot be target database.
D) No. There would be too many dependencies.
4. The steps required to recover a tablespace with recovery manager are listed below.
Place them in correct order.
Steps to recover a tablespace, provide proper order
A) Run RMAN to restore/recover.
B) Check on recovery completion.
C) Check status of the database.
D) List data files that need to be restored.
E) Take a backup.
5. The RMAN script is run every Sunday
Run (
Allocate channel c1 type disk
Format='/home/disk1/BACKUP/run_is_ip.bus';
backup incremental level=0 (database);
)
This RMAN script is run everyday of the week, except Sunday
Run (
Allocate channel c1 type disk
Format+ '/home/disk1/user4/BACKUP/inc_is_ip.bus'
Backup incremental level= 1cumulative (database);
)
What do these scripts do?
A) On Sunday, they backup the entire database. On other days of the week, they back up all blocks changed in data file two since the previous backup.
B) On Sunday, they backup the entire database. On other days of the week, they backup all blocks changed since the previous backup.
C) On Sunday, they backup the system tablespace. On other days of the week, they backup all blocks changed in data file log since the previous backup.
D) They backup the entire database everyday of the week.
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: A,B,C,D,E | Question # 5 Answer: B |
By Bennett
