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2021 Dec 1z0-053 dumps:
Q351. You want to make sure that your database backup does not exceed 10 hours in length. What command would you issue that would meet this condition?
A. backup database plus archivelog;
B. backup database plus archivlog until time '10:00'
C. backup database plus archivelog timeout '10:00'
D. backup database plus archivelog duration 10:00;
E. backup database plus archivelog timeout 10:00;
Q352. If you back up a database without connecting to the recovery catalog, which operations will cause the recovery catalog to be updated? (Choose all that apply.)
A. The next time you back up the database when you are also connected to the recovery catalog and the target database
B. The next time you are connected to the target database and the recovery catalog database and issue the resync command
C. The next time you connect RMAN to just the recovery catalog
D. The next time you connect to the recovery catalog and the target database with RMAN
E. Connecting to the recovery catalog and issuing the resync all databases command
Q353. Which of the following NLS_SORT parameter values would result in case-insensitive and accent- insensitive binary sorts?
A. NLS_SORT = BINARY
B. NLS_SORT = BINARY_AI
C. NLS_SORT = BINARY_CI
D. NLS_SORT = BINARY_AI_CI
E. Binary sorts are case insensitive and accent insensitive by default.
Q354. 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 file directory paths are accidentally deleted from an ASM disk group
B. when one of the disks in a disk group is accidentaly unplugged
C. when the data file on an ASM disk group gets corrupted
D. when one or more disks in an ASM disk group are lost
Q355. View the Exhibit to examine the error while executing the REPAIR FAILURE command in an RMAN session.
What is the reason for this error?
A. Another repair session is running concurrently.
B. The failure ID has not been mentioned in the command for data file 5.
C. There are new failures recorded in the Automatic Diagnostic Repository (ADR).
D. The ADVISE FAILURE command has not been issued before the REPAIR FAILURE command.
Abreast of the times ocp exam 1z0-053 dumps:
Q356. How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has not yet completed?
A. Issue the ALTER DISKGROUP ... ADD DISK command.
B. Issue the ALTER DISKGROUP ... UNDROP DISKS command.
C. Issue the ALTER DISKGROUP ... DROP DISK CANCEL command.
D. Retrieve the disk from the Recycle Bin after the operation completes.
Q357. Which two statements are true with respect to the maintenance window? (Choose two.)
A. A DBA can enable or disable an individual task in all maintenance windows.
B. A DBA cannot change the duration of the maintenance window after it is created.
C. In case of a long maintenance window, all Automated Maintenance Tasks are restarted every four hours.
D. A DBA can control the percentage of the resource allocated to the Automated Maintenance Tasks in each window.
Q358. After executing the command alter diskgroup disk group2 drop disk dg2a; you issue the following command from the ASM instance:
Select group_number, count(*) from v$asm_operation;
What is the implication if the query against V$ASM_OPERATION returns zero rows?
A. The drop disk operation is still proceeding and you cannot yet run the undrop disks operation.
B. The drop disk operation is complete and you can run the undrop disks command if needed.
C. The drop disk operation is complete and you cannot run the undrop disk command.
D. The query will fail since there is not a V$ASM_OPERATION view available in an ASM instance.
E. None of the above is true.
Q359. You discover that your Recycle Bin contains two tables with the same name, MY_TABLE. You also have a table named MY_TABLE in your schema.
You execute the following statement:
FLASHBACK TABLE my_table TO BEFORE DROP RENAME TO my_table2;
What will be the result of executing this statement?
A. One of the tables is recovered from the Recycle Bin using a First In First Out (FIFO) approach.
B. One of the tables is recovered from the Recycle Bin using a Last In First Out (LIFO) approach.
C. Both the tables are recovered from the Recycle Bin with one table renamed to MY_TABLE2 and the other to a system-generated name.
D. None of the tables are recovered from the Recycle Bin, and the statement returns an error.
Q360. You notice that a long-running transaction is suspended due to a space constraint, and there is no AFTER SUSPEND triggered event addressing the issue. You also note that the critical transaction is just about to reach the RESUMABLE_TIMEOUT value. Which of these actions is appropriate?
A. Abort the session, fix the space problem, then resubmit the transaction.
B. Use the DBMS_RESUMABLE.SET_SESSION_TIMEOUT procedure to extend the time-out for the session while you fix the problem.
C. Do nothing, let the transaction fail, then fix the problem.
D. Use Segment Shrink to clean up the table.
E. Use the DBMS_RESUMABLE.SET_TIMEOUT procedure to extend the time-out for the session while you fix the problem.