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Q11. 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
Q12. You want to access employee details contained in flat files as part of the EMPLOYEE table. You plan to add a new column to the EMPLOYEE table to achieve this.
Which data types would you use for the new column?
A. CLOB
B. BLOB
C. BFILE
D. LONG RAW
Answer: C
Q13. Note the functionalities of various background processes:
1: Perform recovery at instance startup.
2: Free the resources used by a user process when it fails.
3: Cleanup the database buffer cache when a process fails.
4: Dynamically register database services with listeners.
5: Monitor sessions for idle session timeout.
6: Cleanup unused temporary segments.
7: Record the checkpoint information in control file.
Which option has the correct functionalities listed for a background process?
A. Checkpoint (CKPT): 1, 2, 5
B. System Monitor (SMON): 1, 6
C. Process Monitor (PMON): 4, 6, 7
D. Database Writer (DBWR): 1, 3, 4
Answer: B
Q14. 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
Q15. Which three statements are true about logical structures of the Oracle database? (Choose three.)
A. Each segment contains one or more extents.
B. Multiple tablespaces can share a single data file.
C. A data block is the smallest unit of input/output (I/O) in data files.
D. It is possible to have tablespaces of different block sizes in a database.
E. Each data block in the database always corresponds to one operating system block.
Answer: ACD
Q16. 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
Q17. Automatic Shared Memory Management is disabled for your database instance. You realize that there are cases of SQL statements performing poorly because of repeated parsing activity, resulting in degradation of performance.
What would be your next step to improve performance?
A. Run the SQL Access Advisor
B. Run the memory Advisor for the SGA
C. Run the memory Advisor for the PGA
D. Run the memory advisor for the shared pool
E. Run the memory advisor for the buffer cache
Answer: D
Q18. The tnsnames.ora file has an entry for the service alias ORCL as follows:
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 listener is not running on the database node.
B. The TNS_ADMIN environmental variable is set to a wrong value.
C. The orcl.oracle.com database service is not registered with the listener.
D. The DEFAULT_DOMAIN parameter is set to a wrong value in the sqlnet.ora file.
Answer: C
Q19. Observe the information in the columns:
Which option has the correct match between the memory areas and their contents?
A. 1-c, 2-b, 3-d, 4-a
B. 1-b, 2-c, 3-d, 4-a
C. 1-a, 2-b, 3-c, 4-d
D. 1-a, 2-b, 3-d, 4-c
Answer: C
Q20. All the database users are presently connected to the database instance and working. The HR user has opened three database sessions and executed the following command in one of his sessions:
SQL> UPDATE persons SET ccode='U031' WHERE ccode='U029'
123 rows updated.
SQL> DELETE FROM persons WHERE exp='Y'
3 rows deleted.
The SYS user opens a new session after HR executed the above commands.
Which sessions can see the effect of the UPDATE and DELETE commands?
A. All sessions of the HR user only
B. All sessions of the HR user and the SYS user
C. The session of the HR user that executed the commands
D. All the sessions for which the database users have access privilege to the PERSONS table
Answer: C