1z0-050 | 10 Tips For Regenerate 1z0-050 braindumps
Q21. Evaluate the following command:
SQL> CREATE TABLE design_data (id NUMBER,
doc CLOB)
LOB(doc) STORE AS SECUREFILE(DEDUPLICATE);
Which statement is true regarding the above command?
A. The LOB values are automatically compressed.
B. The LOB values are cached by default in the buffer cache.
C. The LOB values are automatically stored in encrypted mode.
D. All LOB data that is identical in two or more rows in a LOB column share the same data blocks.
Answer: D
Q22. You issued the following command to mount the DATA disk group in restricted mode:
ALTER DISKGROUP data MOUNT RESTRICT;
What is the implication of this command?
A. A disk in a disk group can be taken offline.
B. A new disk cannot be added to a disk group.
C. The client RDBMS instance can access the file as a read-only file.
D. The client RDBMS instance cannot access the files in the disk group.
Answer: D
Q23. In which situations will the ASM metadata backup help you recover the ASM disk in a disk group? (Choose all that apply.)
A. when one or more disks in an ASM disk group are lost
B. when the data file on an ASM disk group gets corrupted
C. when one of the disks in a disk group is accidentaly unplugged
D. when one or more file directory paths are accidentally deleted from an ASM disk group
Answer: AD
Q24. View the following SQL statements:
Transaction T1
INSERT INTO hr.regions VALUES (5,'Pole');
COMMIT;
Transaction T2
UPDATE hr.regions SET region_name='Poles' WHERE region_id = 5; COMMIT;
Transaction T3
UPDATE hr.regions SET region_name='North and South Poles' WHERE region_id = 5;
You want to back out transaction T2.
Which option would you use?
A. It is possible, but transaction T3 also backs out.
B. It is possible with the NOCASCADE_FORCE option.
C. It is possible with the NONCONFLICT_ONLY option.
D. It is not possible because it has conflicts with transaction T3.
Answer: B
Q25. Which two statements about workload capture and replay operations are true? (Choose two.)
A. The clients must be created manually on the test machines to perform more realistic testing.
B. Restart the database in RESTRICTED mode before beginning workload replay to enable a clean state for workload replay.
C. Restart the database in RESTRICTED mode before beginning workload capture to enable a clean state for capturing the workload.
D. The application state of the capture system must be identical to the application state of the replay system when the workload replay begins.
Answer: CD
Q26. You enabled Flashback Data Archive on the INVENTORY table.
Which DDL operation is supported on the table after enabling Flashback Data Archive?
A. Drop the table.
B. Partition the table
C. Truncate the table.
D. Add a column to the table.
E. Rename a column in the table.
Answer: D
Q27. View the Exhibit to examine the error obtained during the I/O calibration process.
There are no data files on raw devices.
What is the reason for this error?
A. The DISK_ASYNCH_IO parameter is set to TRUE.
B. The FILESYSTEMIO_OPTIONS parameter is set to NONE.
C. Another session runs the I/O calibration process concurrently.
D. The pending area has not been created before running the I/O calibration process.
Answer: B
Q28. Which three statements are true regarding persistent lightweight jobs? (Choose three.)
A. The user cannot set privileges on persistent lightweight jobs.
B. The use of a template is mandatory to create persistent lightweight jobs.
C. Persistent lightweight jobs modify several tables in the data dictionary to generate a lot of redo.
D. Persistent lightweight jobs are useful when users need to create a large number of jobs in a short time.
E. Persistent lightweight jobs are useful when users need to create a small number of jobs that run infrequently.
Answer: ABD
Q29. During the installation of Oracle Database 11g, you do not set ORACLE_BASE explicitly. You selected the option to create a database as part of the installation.
How would this environment variable setting affect the installation?
A. The installation terminates with an error.
B. The installation proceeds with the default value without warnings and errors.
C. The installation proceeds with the default value but it would not be an OFA-compliant database.
D. The installation proceeds with the default value but a message would be generated in the alert log file.
Answer: D
Q30. Which statement is true when Automatic Workload Repository (AWR) baselines are created using baseline templates?
A. AWR baselines are always created as repeating baselines.
B. AWR baselines can be created on the basis of two time values.
C. AWR baselines are always created with infinite expiration duration.
D. AWR baselines are always created using the Automatic Workload Repository (AWR) retention period as expiration duration.
Answer: B