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Oracle database 10g:Administration I Sample Questions:

1. The session of user SCOTT receives the following error after executing an UPDATE command on the EMP table:
ERROR at line 1:
ORA-00060: deadlock detected while waiting for resource
On investigation, you find that a session opened by user JIM has a transaction that caused the deadlock.
Which two statements are true regarding the session of SCOTT in this scenario? (Choose two.)

A) It is terminated after receiving the error and JIM can continue with his transaction.
B) The transaction in it is terminated after receiving the error and JIM can continue with his transaction.
C) SCOTT should perform a COMMIT or ROLLBACK to allow JIM to continue with his transaction.
D) SCOTT has to reexecute the last command in the transaction after he commits the transaction.

2. Your tnsnames.ora file has the following entry for the service alias ORCL:
ORCL = ( DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 10.156.24.216)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl.oracle.com)
)
)
The TNSPING command executes successfully when tested with ORCL but you are not able to connect to the database instance with the following command:
SQL> CONNECT scott/tiger@orcl
What could be the reason for this?

A) The TNS_ADMIN environmental variable is set to a wrong value.
B) The DEFAULT_DOMAIN parameter is set to a wrong value in the SQLNET.ORA file.
C) The orcl.oracle.com database service is not registered with the listener.
D) The listener is not running at the server.

3. View the Exhibit and examine the output.
Which statement describes the conclusion?

A) The shared pool size should be increased to accommodate the SQL statements.
B) The dictionary cache is consuming more space than the library cache.
C) Preparing indexes on the tables used in the SQL statements would improve the library cache performance.
D) The users should use bind variables instead of literals in the query.

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

5. You define an alert to be raised when the USERS tablespace usage has reached 80% of the total space. Which area would you refer to, in order to confirm that the alert has been raised due the event?

A) the Database Control Maintenance page
B) the DBA_ALERTS view
C) the Database Control Home page
D) the alert.log file
E) the Database Control performance page

Solutions: