Free Access Oracle.1Z1-083.v2022-11-09.q168 Practice Test (Page 8)

Question 31

Examine this configuration:

While CDB1 is open, '/u02/app/oracle/fast_recover_area/cdb1/CDB1/controlfile02.ctl' is accidentally deleted.
To recover from this critical failure, you execute these commands:

What will be the outcome?

A.It will re-create '/u02/app/oracle/fast_recover_area/cdb1/CDB1/controlfile02.ctl'

B.It will create '$ORACLE_HOME/dbs/cdb1/CDB1/controlfile02.ctl'

C.It will create '/u01/app/oracle/product/12.2.0.1/db_1/dbs/snapcf_cdb1control02.ctl'.

D.It will fail because there is no autobackup of the controlfiles.

E.It will create '/u01/app/oralce/oradata/CDB1/controlfile/controlfile02.ctl'.

Question 32

Examine the command for creating pluggable database PDB2 in container database CDB2. Select three options, any one of which is required for it to execute successfully. (Choose three.)

A.Enable only OMF.

B.Set only the PDB_FILE_NAME_CONVERT parameter.

C.Set the PDB_FILE_NAME_CONVERT parameter and enable OMF.

D.Add only the CREATE_FILE_DEST clause to the statement.

E.Add the FILE_NAME_CONVERT clause to the statement and set the PDB_FILE_NAME_CONVERT parameter.

F.Add the FILE_NAME_CONVERT clause to the statement and enable Oracle Managed Files (OMF)

Question 33

Which three are true about Automatic Workload Repository (AWR), Automatic Database Diagnostic Monitor (ADDM), and the Manageability Monitor (MMON) background process? (Choose three.)

A.AWR snapshots must be deleted when no longer required by ADDM.

B.ADDM can recommend extending the buffer cache.

C.By default, AWR snapshots are automatically purged after eight days.

D.ADDM can recommend shrinking the buffer cache.

E.ADDM performs its analysis only when a DBA requests it.

F.By default, MMON creates an AWR snapshot every 30 minutes.

Question 34

Choose two. When backing up to the Oracle Fast Recovery Area (FRA), you determine that the backup takes too long and suspect a performance bottleneck. Which two are true about diagnosing and tuning these problems?

A.Data files with a high value in V$BACKUP_ASYNC_IO.SHORT_WAITS are a potential performance bottleneck when asynchronous I/O is used.

B.If an RMAN BACKUP VALIDATE command takesroughly the same time as an actual backup, then read I/O is a likely bottleneck.F

C.Data files with a high value in V$BACKUP_SYNC_IO.DISCRETE_BYTES_PER_SECOND are a potential performance bottleneck when synchronous I/O is used.

D.If an RMAN BACKUP VALIDATE command takesroughly the same time as an actual backup, then both read and write I/O are likely bottlenecks.

E.If an RMAN BACKUP VALIDATE command takes noticeably less time than an actual backup, then write I/O is a likely bottleneck.

Question 35

A database is configured in archivelog mode.
Full RMAN backups are taken daily and no backup to trace has been taken of the control file.
A media failure has occurred.
In which two scenarios is complete recovery possible?

A.after losing the system tablespace

B.after losing an archived log from after the most recent backup

C.after losing an archived log from before the most recent backup

D.when any archived log from, before, or after the most recent backup is corrupt

E.after losing all copies of the control file

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