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Oracle Database 19c Changed 1z0-083 Questions

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Question 16

Choose the best answer. How do you configure a CDB for local undo mode?

Options:

A.

Open the CDB instance in restricted mode. In CDB$ROOT, drop the UNDO tablespace. Execute ALTER DATABASE LOCAL UNDO ON in each PDB, and then restart the CDB instance.

B.

Open the CDB instance in upgrade mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON, and then restart the CDB instance.

C.

Open the CDB instance in upgrade mode. In each PDB, execute ALTER DATABASE LOCAL UNDO ON, create an UNDO tablespace, and then restart the CDB instance.

D.

Open the CDB instance in restricted mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON. create an UNDO tablespace in each PDB, and then restart the CDB instance.

E.

Open the CDB in read-only mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON, and then change the CDB to read/write mode.

Question 17

The CATDB12c database contains an Oracle Database version 12c catalog schema owned by the RC12C user. The RCAT11 database contains an Oracle Database version 11g catalog schema owned by the RC11 user in which several databases are registered. Both the databases are open. You execute the RMAN commands: RMAN> CONNECT CATALOG rcl2c/passl2c@catdbl2c RMAN> IMPORT CATALOG rcll/pwdcatll@ractll Which two tasks are performed as part of the import?

Options:

A.

Databases from the RC12C catalog are implicitly unregistered if the RC11 catalog has registered databases with same name.

B.

Recovery catalog is resynchronized with the control files of the registered databases.

C.

Imported databases are unregistered from the RC11 catalog.

D.

Local and global stored scripts that have the same name as existing scripts in the RC12C catalog are automatically renamed.

E.

All databases registered in the RC11 catalog are registered in the RC12C catalog.

Question 18

Which two are true about gathering optimizer statistics? (Choose two.)

Options:

A.

Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics in all open PDBs except PDB$SEED.

B.

Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to a PDB opened in read/ write mode gathers object statistics for that PDB.

C.

Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics only in CDB$ROOT.

D.

System statistics can be gathered only while connected to CDB$ROOT.

E.

Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics in all open pluggable databases (PDBs)

Question 19

Which three are true about backup, restore, and recovery operations done without using Recovery Manager (RMAN)? (Choose three.)

Options:

A.

Backing up a database in NOARCHIVELOG mode using O/S utilities requires that the database instance be started and the databased be in the MOUNT state.

B.

Backing up a database in ARCHIVE LOG mode using O/S utilities requires that the database instance be started and the database be in MOUNT state.

C.

An Oracle database can be restored from backup files copied using O/S utilities.

D.

Oracle data file backups, copied using an O/S utility, can be added to the RMAN catalog as IMAGE COPIES.

E.

Backing up a database in NOARCHIVELOG mode using O/S utilities requires that the database instance be shut down.

F.

Oracle archive log backups, copied using an O/S utility, can be added to the RMAN catalog as a backup set.

G.

Backing up a database in ARCHIVE LOG mode using O/S utilities requires that the database instance be started and the database be in OPEN state.

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Exam Code: 1z0-083
Exam Name: Oracle Database Administration II
Last Update: May 11, 2024
Questions: 286
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