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Oracle 1Z0-042 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Oracle Database Architecture and Concepts | - Database components and instance architecture - Memory structures and processes |
| Installation and Configuration | - Database configuration assistants - Installing Oracle Database 10g software |
| Database Creation and Management | - Managing tablespaces and datafiles - Creating and controlling databases |
| User Security and Administration | - User account creation and privileges - Role management and security |
| Backup, Recovery and Performance | - Database backup concepts - Monitoring performance and recovery basics |
| Networking and Oracle Net Services | - Client connectivity methods - Configuring listener and tnsnames.ora |
Oracle database 10g:Administration I Sample Questions:
Which two statements are true regarding the database in ARCHIVELOG mode? (Choose two.)
- A. All the previous database backups become invalid after you configure the database to ARCHIVELOG mode.
- B. Online redo log files have to be multiplexed before putting the database in ARCHIVELOG mode.
- C. Archiving information is written to the data files and redo log files.
- D. You have to shut down the database to perform the backups.
- E. You can perform complete database backups without closing the database.
Correct Answer: A,E 🗳️
The application workload on your database is same between 10 a.m. and 11 a.m. on weekdays. Suddenly you observe poor performance between 10 a.m. and 11 a.m. in the middle of the week. How would you identify the changes in configuration settings, workload profile, and statistics to diagnose the possible causes of the performance degradation?
- A. by using the SQL access advisor
- B. by analyzing the output of the V$ACTIVE_SESSION_HISTORY view
- C. by running the Automatic Database Diagnostic Monitor (ADDM)
- D. by using the Automatic Workload Repository Compare Period report
- E. by using the Automatic Workload Repository report
Correct Answer: D 🗳️
Examine the following commands executed in your database:
SQL> ALTER SESSION RECYCLEBIN=ON;
Session altered
SQL> CREATE TABLE emp TABLESPACE tbsfd AS SELECT * FROM hr.employees;
Table created.
Further, you executed the following command to drop the table:
SQL> DROP TABLE emp;
Table dropped.
What happens in this scenario?
- A. The table is moved to the SYSAUX tablespace.
- B. The table is renamed and remains in the TBSFD tablespace.
- C. The table is removed from the database permanently.
- D. The table is moved to the SYSTEM tablespace.
Correct Answer: B 🗳️
Data files of which three tablespaces can be recovered by performing an open recovery? (Choose three.)
- A. UNDO
- B. INDEX
- C. TEMP
- D. SYSTEM
- E. SYSAUX
Correct Answer: B,C,E 🗳️
View the Exhibit.
The DBA creates a new user as follows:
SQL> CREATE USER manfus IDENTIFIED BY manfus TEMPORARY TABLESPACE
temp;
User manfus creates a table as follows:
SQL> CREATE TABLE material(id NUMBER(3));
In which tablespace will the material table be created?
- A. TEMP
- B. SYSTEM
- C. SYSAUX
- D. USERS
- E. PROD
Correct Answer: D 🗳️




