Examples of oracle database 11g dba 1 1z0-053

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2016 Aug 1Z0-053 Study Guide Questions:

Q421. Which of the following is a potential performance tuning recommendation from the SQL Access Advisor?

A. Create new indexes.

B. Modify existing indexes.

C. Implement partitioning on a nonpartitioned table.

D. Create materialized views.

E. All of the above

Answer: E

Q422. Which two are the prerequisites to enable Flashback Data Archive? (Choose two.)

A. Database must be running in archivelog mode.

B. Automatic undo management must be enabled.

C. Undo retention guarantee must be enabled.

D. The tablespace on which the Flashback Data Archive is created must be managed with Automatic Segment Space Management (ASSM).

Answer: BD

Q423. Which of the following information will be gathered by the SQL Test Case Builder for the problems pertaining to SQL-related problems? (Choose all that apply.)

A. ADR diagnostic files

B. all the optimizer statistics

C. initialization parameter settings

D. PL/SQL functions, procedures, and packages

E. the table and index definitions and actual data

Answer: BCE

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Q424. The BOOKINGS table contains online booking information. When a booking is confirmed, the details are transferred to an archival table BOOKINGS_HIST and deleted from the BOOKINGS table. There is no fixed time interval between each online booking and its confirmation. Because sufficient space is not always available from the delete operations the high-water mark (HWM) is moved up and many rows are inserted below the HWM of the table. The BOOKINGS table has Automatic Segment Space Management (ASSM) and row movement enabled. The table is accessible in 24×7 mode.

What is the most efficient method to reclaim the space released by the delete operations in the BOOKINGS table

A. Perform EXPORT, DROP, and IMPORT operations on the BOOKINGS table sequentially

B. Shrink the BOOKINGS table by using the ALTER TABLE… SHRINK SPACE command

C. Move the BOOKINGS table to a different location by using the ALTER TABLE… MOVE command

D. Deallocate the space in the BOOKINGS table by using the ALTER TABLE … DEALLOCATE UNUSED command

Answer: B

Q425. To set the history retention period for either window logging or job logging individually, which parameters of the SET_SCHEDULER_ATTRIBUTE procedure need to be used? (Choose all that apply.)

A. LOG_HISTORY

B. JOB_LOG_RETENTION

C. WINDOW_LOG_RETENTION

D. WHICH_LOG

E. LOG_NAME

Answer: AD

Q426. The following databases are registered in the base recovery catalog: PROD1, PROD2, and PROD3. The database user CATOWNER owns the base recovery catalog. You want a new user VPC1 to have access to only the PROD1 database and create a virtual private catalog.

Given below are some of the commands required to achieve this:

1.SQL> GRANT recovery_catalog_owner TO vpc1;

2.RMAN> CONNECT CATALOG vpc1/password@catdb;

3.RMAN> GRANT CATALOG FOR DATABASE prod1 TO vpc1;

4.RMAN> CONNECT CATALOG catowner/password@catdb;

5.RMAN> CREATE VIRTUAL CATALOG;

What is the correct sequence in which the commands have to be executed?

A. 1, 4, 5, 2, 3

B. 1, 4, 3, 2, 5

C. 4, 5, 2, 3, 1

D. 2, 3, 4, 5, 1

E. 1, 4, 2, 3, 5

Answer: B

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Q427. View the Exhibit to examine the Automatic SQL Tuning result details.

Which action would you suggest for the selected SQL statement in the Exhibit?

A. Accept the recommended SQL profile.

B. Collect statistics for the related objects.

C. Run the Access Advisor for the SQL statement.

D. Run the Segment Advisor for recommendations.

Answer: C

Q428. Which of the following objects can be directly referenced by a window object? (Choose all that apply.)

A. Schedule object

B. Program object

C. Job object

D. Resource plan

E. Resource consumer group

Answer: AD

Q429. What Oracle process runs when the database is in ARCHIVELOG mode but not when it is in NOARCHIVELOG mode?

A. MMON

B. LGWR

C. ARCH

D. ARWR

E. COPY

Answer: C

Q430. Which is the correct command to put the database in ARCHIVELOG mode?

A. alter database archivelog

B. alter system enable archivelog mode

C. alter database enable archive

D. alter database archivelog enable

E. None of the above

Answer: A

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