Q1. Your database is open and the LISTENER listener is running. The new DBA of the system stops the listener by using the command: LSNRCTL> STOP
What happens to the sessions that are presently connected to the database instance?
A. The sessions are able to perform only queries
B. The sessions are not affected and continue to function normally
C. The sessions are terminated and the active transactions are rolled back
D. The sessions are not allowed to perform any operations till the listener is started
Answer: B
Q2. Your database instance is started using the server parameter file (SPFILE). You executed a
command to change the value of the LOG_BUFFER initialization parameter:
ALTER SYSTEM SET LOG_BUFFER=32M SCOPE=BOTH;
What would be the outcome of this command?
A. The command succeeds only if Automatic Memory Management is not enabled.
B. The command succeeds, but you need to restart the database for changes to take effect.
C. The command returns an error because the size of the redo log buffer cannot be changed dynamically.
D. The parameter value is changed and it comes into effect as soon as space becomes available in the System Global Area (SGA).
Answer: C
Q3. Your database instance is currently configured to support 1,500 connections. The Web application that uses the database allows a large number of users to work with the database simultaneously.
Some users of the Web application do not interact with the server all the time. You want to increase the scalability by configuring the database instance to handle more connections. As a DBA, which configuration would you set to support more than 1,500 connections at a time?
A. You would configure more listeners for the database.
B. You would configure the database in shared server mode to use the connection pooling feature.
C. You would increase the value of the PGA_AGGREGATE_TARGET initialization parameter that assigns more session memory to users.
D. You would decrease the value of the PRIVATE_SGA resource limit in the profiles used by the users to accommodate more session information.
Answer: B
Q4. You are using flat files as the data source for one of your data warehousing applications. To optimize the application performance, you plan to move the data from the flat files to clustered tables in an Oracle database. While migrating the data, you want to have minimal impact on the database performance and optimize the data load operation. Which method would you use to load data into the Oracle database?
A. Use the external table population.
B. Use the Oracle Data Pump export and import utility.
C. Use the conventional path data load of the SQL*Loader utility.
D. Use the INSERT INTO...SELECT command to load the data.
Answer: C
Q5. To make audit information more productive, the DBA executes the following command before starting an audit operations:
SQL>ALTER SYSTEM SET AUDIT_TRAIL=DB,EXTENDED SCOPE=SPFILE;
Which statement is true regarding the audit record generated when auditing starts after restarting the database?
A. It contains only the plan for the SQL statement executed by the user
B. It contains the SQL text executed by the user and the bind variables used with it
C. It contains the plan and statistics associated with the SQL statement executed by the user D.
It contains the plan for the SQL statement executed by the user and the bind variables used with it
Answer: B
Q6. You execute a command to resize a data file, sales.dbf, of size 200 MB in your database:
ALTER DATABASE DATAFILE '/remorse/sales.dbf' RESIZE 150M;
Which statement is true about this command?
A. The command must be issued in MOUNT state.
B. The command succeeds only if the data file is offline.
C. The command must be issued when the database is in the archivelog mode.
D. The command succeeds if no extent in the tablespace is currently allocated above the 150 MB boundary of the file.
Answer: D
Q7. For which database operation would you need the database to be in the MOUNT state?
A. Renaming the control files
B. Re-creating the control files
C. Dropping a user in your database
D. Dropping a tablespace in your database
E. Configuring the database instance to operate in the ARCHIVELOG or NOARCHIVELOG modes
Answer: E
Q8. The database is running in ARCHIVELOG mode. Examine the initialization parameters and their values set to enable archiving on your database server:
Which statement is true regarding the archived redo log files?
A. It will be created on the local file system.
B. It will be created only in the Flash Recovery Area.
C. It will be created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and the default location $ORACLE_HOME/dbs.
D. It will be created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and location specified by the DB_RECOVERY_FILE_DEST parameter.
Answer: A
Q9. Note the following points describing various utilities in Oracle Database 11g:
1. It enables the high-speed transfer of data from one database to another
2. It provides a complete solution for the backup, restoration and recovery needs of the entire database
3. It enables the loading of data from an external file into table of an Oracle Database
4. It provides a tape backup management for the Oracle ecosystem
Which point describes Oracle Secure Backup?
A. 1
B. 2
C. 3
D. 4
E. 1,2 and 4
F. 1,2,3, and 4
Answer: D
Q10. Some non-DBA users in your database have been granted ANY TABLE system privileges and they are able to access data dictionary base tables. You decide to restrict their access to data dictionary objects. Which method would you adopt to achieve this objective?
A. Revoke the RESOURCE role from the users.
B. Set the value of the OS_ROLES parameter to TRUE.
C. Use Database Resource Manager to restrict user access to objects.
D. Grant ANY TABLE system privileges again without ADMIN OPTION.
E. Set the value of the O7_DICTIONARY_ACCESSIBILITY parameter to FALSE.
Answer: E