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Oracle 1Z0-042 Exam Syllabus Topics:

Oracle database 10g:Administration I Sample Questions:

1. In your database, the snapshot interval is set to 10 minutes for the Automatic Workload Repository (AWR). The database instance is running for the past 30 days.
View the Exhibit to examine the Automatic Database Diagnostic Monitor (ADDM) task.
The ADDM task is performed every 10 minutes, except the last task. What could be the reason for this?

A) The optimizer statistics for few objects in the database were locked before the last task.
B) The snapshot retention period for the AWR was increased before the last task.
C) The optimizer statistics was collected manually by using the DBMS_STATS package before the last task.
D) The STATISTICS_LEVEL initialization parameter was changed to BASIC and reset to TYPICAL before the last task.

2. Which two statements about Recovery Manager (RMAN) backups are true? (Choose two.)

A) Only consistent database backups can be performed.
B) RMAN backup can be taken only if the database is configured in ARCHIVELOG mode.
C) Archived redo log files are backed up.
D) Online redo log files can be backed up.
E) Only used data blocks can be backed up as backup sets.

3. As a result of performance analysis, you created an index on the prod_name column of the prod_det table, which contains about ten thousand rows. Later, you updated a product name in the table. How does this change affect the index?

A) An update in a leaf row takes place.
B) A leaf row in the index will be deleted and inserted.
C) The index will be updated automatically at commit.
D) The index becomes invalid when you make any updates.
E) A leaf will be marked as invalid.

4. Which two operations can be flashed back using the Flashback technology? (Choose two.)

A) DROP USER SMITH;
B) ALTER TABLE SALES_REP DROP PARTITION P1;
C) DROP TABLESPACE USERS;
D) ALTER TABLE EMPLOYEES DROP COLUMN DESIG_ID;
E) DROP TABLE EMPLOYEES;

5. While running the Oracle Universal Installer on a Unix platform to install Oracle Database 10g software, you are prompted to run orainstRoot.sh script. What does this script accomplish?

A) It creates the pointer file.
B) It creates the Inventory pointer file.
C) It modifies the Unix kernel parameters to match Oracle's requirement.
D) It creates the base directory.
E) It creates the Oracle user for installation.

Solutions: