- Exam Code: 1Z0-042
- Exam Name: Oracle database 10g:Administration I
- Updated: Oct 09, 2026
- Q & A: 185 Questions and Answers
Oracle 1Z0-042 Exam : Oracle database 10g:Administration I
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Oracle 1Z0-042 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Database Management | - Managing storage structures - Managing database instances - User and privilege management |
| Oracle Database Architecture | - Memory structures and process management - Database storage structures (datafiles, control files, redo logs) - Instance architecture (SGA, PGA, background processes) |
| Backup and Recovery | - Recovery Manager (RMAN) basics - Flashback concepts (intro level) - User-managed backup and recovery |
| Database Security | - Authentication and authorization - Roles and privileges management |
| Database Installation and Configuration | - Installing Oracle Database 10g software - Oracle Net Services configuration basics - Creating and configuring databases |
Oracle database 10g:Administration I Sample Questions:
Question #1
Which three statements are true regarding the logical structure of the Oracle database? (Choose three.)
- A. Each data block in the database always corresponds to one OS block.
- B. Each segment contains one or more extents.
- C. Multiple tablespaces can share single data file.
- D. It is possible to have tablespaces of different block sizes in a database.
- E. A data block is the smallest unit of I/O for data files.
Correct Answer: B,D,E 🗳️
Question #2
View the Exhibit.
Which statement regarding the dept and emp tables is true?
- A. When you delete a row from the emp table, you would receive a constraint violation error.
- B. When you delete a row from the dept table, automatically the corresponding rows are deleted from the emp table.
- C. When you delete a row from the emp table, automatically the corresponding rows are deleted from the dept table.
- D. When you delete a row from the dept table, automatically the corresponding rows are updated with null values in the emp table.
- E. When you delete a row from the dept table, you would receive a constraint violation error.
- F. When you delete a row from the emp table, automatically the corresponding rows are updated with null values in the dept table.
Correct Answer: B 🗳️
Question #3
View the Exhibit.
What would happen if you change the value of Desired Mean Time To Recover to 30?
- A. The Redo Log Advisor would be disabled.
- B. Automatic checkpoint tuning would be disabled.
- C. The redo log from log buffers would be written to redo log files at a slower rate.
- D. The MTTR Advisor would be enabled.
Correct Answer: D 🗳️
Question #4
You created a response file and want to check it before starting installations in silent mode. You started installation of Oracle software in interactive mode by providing the response file. In the middle of the installation, you realize that the behavior of the Oracle Universal Installer (OUI) is not consistent with the response file. What action would you take to detect the cause of this behavior?
- A. Refer to the alert log file for information regarding the actions performed by OUI during installation.
- B. Refer to the contents of the oraInst.loc file to verify the steps performed by OUI.
- C. Compare the contents of the installActions.log file with that of the response file.
- D. Compare the contents of the install.log file with the response file.
Correct Answer: C 🗳️
Question #5
Your database is running under automatic undo management and the UNDO_RETENTION parameter is set to 900 sec. You executed the following command to enable retention guarantee:
SQL> ALTER TABLESPACE undotbs1 RETENTION GUARANTEE;
What effect would this statement have on the database?
- A. The extents in undo tablespace retain data until the next full database backup.
- B. The extents which no longer contain uncommitted data in the undo tablespace are not overwritten for at least15 minutes.
- C. The extents containing committed data in the undo tablespace are not overwritten until the instance is shut down.
- D. The extents containing committed data in the undo tablespace are never overwritten.
Correct Answer: B 🗳️
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