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Q1. You receive complaints from users regarding the high waiting time for their transactions. On investigation, you find that some users are not committing their transactions though they are not performing any activity for a long time. As a result, SQL statements need to wait for rowlevel locks.
Which two actions could you take to prevent this locking problem in the future? (Choose two.)
A. Decrease the IDLE_TIME resource limit in the profile assigned to the blocking users.
B. Use Database Resource Manager to automatically log out sessions that block others and are idle
C. Set the limit in the profile of blocking users to control the number of blocks to be accessed in a session.
D. Decrease the maximum number of interested transaction list (ITL) slots for the segments on which the blocking user performs the transaction.
Answer: AB
Q2. Which statement is true about the Manageability Monitor (MMON) background process?
A. It transfers statistics from memory to disk at regular intervals.
B. It coordinates the rebalance activity for disk groups when ASM is used.
C. It communicates with the Automatic Storage Management (ASM) instance on behalf of the database instance.
D. It performs dynamic memory management when Automatic Shared Memory Management is enabled for the database instance.
Answer: A
Q3. 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
Q4. View the Exhibit and examine the setting for a table.
Which statement is true about the PCTFREE setting for the table?
A. It sets the minimum percentage of a data block to be reserved to contain chained rows from other blocks.
B. It sets the minimum percentage of a data block to be reserved as free space before the server prevents inserts into the block.
C. It sets the minimum percentage of a data block to be reserved to contain the bitmap used to maintain the free block information.
D. It sets the minimum percentage of a block that can be used for row data plus overhead before new rows are added to the block.
Answer: B
Q5. The instance abnormally terminates because of a power outage.
Which statement is true about redo log files during instance recovery?
A. Inactive and current redo log files are required to accomplish recovery
B. Online and archived redo files are required to accomplish instance recovery
C. All redo log entries after the last checkpoint are applied from redo log files to data files
D. All redo log entries recorded in the current log file until the checkpoint position are applied to data files
Answer: C
Q6. Which three statements are correct about temporary tables? (Choose three.)
A. Indexes and views can be created on temporary tables.
B. Both the data and the structure of temporary tables can be exported.
C. Temporary tables are always created in a user's temporary tablespace.
D. The data inserted into a temporary table in a session is available to other sessions.
E. Data manipulation language (DML) locks are never acquired on the data of temporary tables.
Answer: ACE
Q7. In which situations does the Oracle Data Pump use external tables and not the direct path load while exporting a table? (Choose all that apply.)
A. if a table is not in a cluster
B. if a table has an active trigger
C. if a table has an encrypted column
D. if a table has a column of data type LONG defined on it
E. if a table has a referential integrity constraint defined on it
Answer: BCE
Q8. You are working on a new Oracle Database 11g server, where only the software is installed and no database is created. You plan to create a database on this server using the Database Configuration Assistant (DBCA).
Some of the requirements set for your database creation task are:
1. Configure the database to operate in shared server mode.
2. Disable automatic maintenance tasks such as optimizer statistics collection.
3. Configure a naming method to help the remote user connect to the database instance.
4. Use Automatic Storage Management (ASM) for storing the database files.
5. Configure daily database backup to flash recovery area.
6. Configure Enterprise Manager Database Control to manage the database.
Which of these requirements can be met while creating the database?
A. 4 and 6
B. 2, 3, 4, and 6
C. 1, 2, 4, 5, and 6
D. 1, 2, 3, 4, 5, and 6
Answer: C
Q9. User SCOTT executes the following command on the EMP table but has not issued COMMIT, ROLLBACK, or any data definition language (DDL) command:
SQL> SELECT ename FROM emp
2 WHERE job='CLERK' FOR UPDATE OF empno;
SCOTT has opened another session to work with the database instance.
Which three operations would wait when issued in SCOTT's second session? (Choose three.)
A. LOCK TABLE emp IN SHARE MODE;
B. LOCK TABLE emp IN EXCLUSIVE MODE;
C. UPDATE emp SET sal=sal*1.2 WHERE job='MANAGER'
D. INSERT INTO emp(empno,ename) VALUES (1289,'Harry');
E. SELECT ename FROM emp WHERE job='CLERK' FOR UPDATE OF empno;
Answer: ABE
Q10. You are managing an Oracle Database 11g database. The database is open, and you plan to perform Recovery Manager (RMAN) backups.
Which three statements are true about these backups? (Choose three.)
A. The backups would be consistent.
B. The backups would be inconsistent.
C. The backups would be possible only if the database is running in ARCHIVELOG mode.
D. The backups would be possible only if the database is running in NOARCHIVELOG mode.
E. The backups need to be restored and the database has to be recovered in case of a media failure.
Answer: BCE
Q11. View the Exhibit to examine the error that occurred during the database startup.
You opened an RMAN session for the database. To repair the failure, you executed the following command as the first RMAN command:
RMAN> REPAIR FAILURE;
Which statement describes the consequence of this command?
A. The command performs the recovery and closes the failure
B. The command only displays the advice and the RMAN script required for recovery
C. The command executes the RMAN script to repair the failure and remove the entry from the Automatic Diagnostic Repository (ADR)
D. The command produces an error because the ADVISE FAILURE command was not executed before the REPAIR FAILURE command
Answer: D
Q12. The TRANS_SUMMARY table contains product-wise transaction details that get updated with every transaction in the system. Each row has cumulative transaction details of a single product and every product is identified by a product code, which is the primary key.
As part of the archival process, the company wants to transfer the rows in the TRANS_SUMMARY table to the TRANS_SUMMARY_DUP table at the end of every quarter of the year. Along with existing products, the company deals with many new products during every quarter.
Which method is best suited for this quarterly data transfer?
A. Using the MERGE command
B. Using the SQL*Loader utility
C. Using the correlated UPDATE command
D. Using the INSERT command to perform bulk operation
Answer: A
Q13. Note the following structures in your database server:
1. Extents
2. OS Blocks
3. Tablespace
4. Segments
5. Oracle Data Block
Which option has the correct arrangement of these structures from the smallest to the largest?
A. 2, 5, 1, 4, 3
B. 1, 2, 3, 4, 5
C. 5, 2, 1, 3, 4
D. 2, 1, 5, 4, 3
Answer: A
Q14. Which two statements are true regarding listeners? (Choose two.)
A. Listeners use only the TCP/IP protocol.
B. Multiple listener processes can run simultaneously on a host.
C. Multiple database instances can be registered with a single listener.
D. The listener-related errors can be traced only at the administrative level.
E. Only one database instance can be registered with a single listener at any time.
Answer: BC
Q15. You configured the Flash Recovery Area (FRA) for your database. The database instance is running in ARCHIVELOG mode. The default location for the archived redo log files is the Flash Recovery Area. Which two files are removed automatically if the space is required in the FRA as per the retention policy? (Choose two.)
A. Flashback log files
B. Backups that have become obsolete
C. User managed backups of the data files and control files
D. Archived redo log files that have multiple copies in a different archive location and not backed up
Answer: AB