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Oracle database 10g:Administration I Sample Questions:

1. You find that the database performance degrades while you backup the PROD database using Recovery Manager (RMAN). The PROD database is running in shared server mode. The database instance is currently using 60% of total operating system memory. You suspect the shared pool fragmentation to be the reason. Which action would you consider to overcome the performance degradation?

A) Configure Streams Pool to enable parallel processing.
B) Increase the total System Global Area (SGA) size to increase memory hits.
C) Configure Large Pool to be used by RMAN and shared server.
D) Increase Shared Pool size to cache more PL/SQL objects.
E) Configure Java Pool to cache the java objects.
F) Increase Database Buffer Cache size to increase cache hits.

2. Which two statements are true about the Automatic Database Diagnostic Monitor (ADDM)? (Choose two.)

A) The ADDM analysis provides only the diagnostic information but does not provide recommendations.
B) The ADDM calls other advisors if required, but does not provide recommendations about the advisors.
C) The ADDM runs after each AWR snapshot is collected.
D) The results of the ADDM analysis are stored in the Automatic Workload Repository (AWR).
E) The ADDM requires at least four AWR snapshots for analysis.

3. While setting up an Oracle database for one of your critical applications, you want to ensure that the database is backed up at regular intervals without your intervention. What should you do to achieve the objective?

A) configure the Flash Recovery Area to enable automatic database backup
B) configure the database to run in ARCHIVELOG mode
C) schedule the database backup using Database Configuration Assistant (DBCA) while creating the database
D) schedule the database backup using Recovery Manager (RMAN) commands after creating the database
E) schedule the database backup using DBMS_JOB package after creating the database

4. Which three pieces of information are to be mandatorily provided while creating a new listener using Enterprise Manager Database Control? (Choose three.)

A) the log file and trace file destination for the listener
B) the database services to be registered with the listener
C) the protocol used by the listener
D) the server name where the listener runs
E) the port used by the listener

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 containing committed data in the undo tablespace are never overwritten.
B) The extents in undo tablespace retain data until the next full database backup.
C) The extents which no longer contain uncommitted data in the undo tablespace are not overwritten for at least15 minutes.
D) The extents containing committed data in the undo tablespace are not overwritten until the instance is shut down.

Solutions: