Free Access Oracle.1Z1-083.v2022-05-30.q253 Practice Test (Page 11)

Question 46

Which three can be done using Oracle Database Configuration Assistant (DBCA) starting from Oracle Database 19c? (Choose three.)

A.cloning a remote container database in interactive mode

B.cloning a remote pluggable database in silent mode

C.relocating a remote pluggable database in interactive mode

D.relocating a remote container database in silent mode

E.cloning a remote container database in silent mode

F.relocating a remote pluggable database in silent mode

G.relocating a remote container database in interactive mode

Question 47

A database is configured in ARCHIVE LOG mode. A full RMAN backup exists but no control file backup to trace has been taken. A media failure has occurred. In which two scenarios is incomplete recovery required? (Choose two.)

A.after losing all copies of the control file

B.after losing an UNDO tablespace that is in use

C.after losing all members of an INACTIVE online redo log group

D.after losing all members of the CURRENT online redo log group

E.after losing a SYSAUX tablespace data file

Question 48

Examine these actions:
1.Create a new database for a recovery catalog.
2.Create a tablespace with sufficient space in the catalog database for the recovery catalog.
3.Configure ARCHIVELOG mode for the catalog database.
4.Create a user to own the recovery catalog schema with quota on the tablespace that will contain the catalog.
5.Grant the RECOVERY_CATALOG_OWNER role to the recovery catalog schema owner.
6.Grant the SYSBACKUP privilege to the recovery catalog schema owner.
Which are the minimum actions that must be performed before executing the CREATE CATALOG command?

A.1, 2, 4, 5

B.1, 2, 3, 4, 5, 6

C.2, 4, 5

D.1, 3, 4, 5

E.2, 4, 5, 6

Question 49

our SALES_ROOT application container has two application PDBs. The SALES_APP application has a common table, FIN.REVENUE, in the two PDBs. Examine this query and its output: Which two are true? (Choose two.)

A.The MAPTABLE tables defines a logical partition key on a commonly used column for the REVENUE table.

B.The REVENUE table partitions are not pruned across the PDBs automatically.

C.The CONTAINERS clause cannot be used in queries on the REVENUE table.

D.The REVENUE table must be a list-partitioned table.

E.The MAPTABLE table is a metadata-linked table.

F.A container map exists for the REVENUE table, but is not enabled.

Question 50

While backing up to the Oracle Fast Recovery Area (FRA), you determined the backup is taking too long and suspect a performance bottleneck.
Which three are true about diagnosing and tuning these problems? (Choose three.)

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

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

C.Setting DBWR_IO_SLAVES to a non zero value can improve backup performance when using asynchronous I/O/

D.Setting DBWR_IO_SLAVES to a non zero value can improve backup performance when using synchronous I/O.

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

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

G.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.

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