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Oracle 1Z0-083 is a certification exam that focuses on testing the knowledge and skills of database administrators in managing Oracle databases. 1Z0-083 exam is specifically designed for those who have already passed the Oracle Database Administration I certification exam and are looking to further enhance their knowledge and expertise in the field. Passing 1Z0-083 Exam will earn candidates the Oracle Database Administration II certification.

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To prepare for the Oracle 1Z0-083 exam, candidates are recommended to have extensive hands-on experience in managing Oracle databases. They are also advised to undergo formal training from Oracle or other authorized training providers to gain a comprehensive understanding of the exam topics. With the right preparation, candidates can pass the Oracle 1Z0-083 exam and become certified Oracle database administrators, which can greatly enhance their career prospects in the IT industry.

Oracle 1Z0-083 (Oracle Database Administration II) Exam is a certification exam that covers advanced database administration concepts and practices. It is designed for professionals who are responsible for managing and maintaining complex database environments using Oracle Database technology. 1Z0-083 exam is a part of the Oracle Database Administrator Certified Professional (OCP) certification path.

Oracle Database Administration II Sample Questions (Q51-Q56):

NEW QUESTION # 51
A database is configured in ARCHIVELOG 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 all members of an INACTIVE online redo log group
C. after losing all members of the CURRENT online redo log group
D. after losing an UNDO tablespace that is in use
E. after losing a SYSAUX tablespace data file

Answer: A,C

Explanation:
If you lose all control the required incomplete recovery. if incomplete recovery then db must be open in resetlog option.
http://oracle-help.com/backup-and-recovery/recovery-restore-loss-current-control-files-default- location/

NEW QUESTION # 52
Which two are true about changing the LOCAL_UNDO_ENABLED property to false in a CDB? (Choose two.)

A. After the change, any user with the required privilege can create an undo tablespace in the PDBs.
B. Any new PDB and existing PDBs are automatically configured to use the default undo tablespace in CDB$ROOT.
C. After the change, only a common user with the required privilege can create an undo tablespace in CDB&ROOT.
D. Undo tablespaces existing in PDBs must be dropped before the change.
E. After the change, only one undo tablespace can exist in CDB$ROOT.
F. After the change, each existing PDB has to be reopened for the new undo mode to take effect.

Answer: B,C

NEW QUESTION # 53
Which are three of the steps taken by Database Configuration Assistant (DBCA) to clone a remote pluggable database (PBD) starting from Oracle 19c? (Choose three.)

A. automatically dropping the database link to the remote database if it already exists
B. creating a database link from CDB$ROOT in the local database to the PDB in the remote system that is to be cloned
C. creating a database link from CDB$ROOT in the local database to CDB$ROOT in the remote system that is to be cloned
D. creating a database link from CDB$ROOT in the remote database to the PDB in the local database
E. creating a new empty PDB in the local database from PDB$SEED
F. creating a database link from CDB$ROOT in the remote database to be cloned to CDB$ROOT in the local database
G. opening the cloned PDB

Answer: A,C,G

Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/19/multi/cloning-a-pdb.html#GUID-
13FF2CE2-532C-4816-8E88-7A5A6E16A279
About Cloning a Remote PDB
When the source is a PDB is in a remote CDB, you must use a database link to clone the PDB into the local CDB.
The database link must exist in the local CDB (not the remote CDB). When you issue the CREATE PLUGGABLE DATABASE statement from the root of the local CDB, you must specify a database link to the remote CDB that contains the PDB being cloned in the FROM clause. The database link connects from the local CDB to either to the root of the remote CDB or to the remote source PDB.
The following figure illustrates how this technique creates a new PDB when the source PDB is remote.
https://docs.oracle.com/en/database/oracle/oracle-database/19/multi/cloning-a-pdb.html#GUID-
32AE49B1-13A7-4A4D-AB43-BA781ECA99D6

NEW QUESTION # 54
Which three are true in Oracle 19c and later releases? (Choose three.)

A. An ordinary data pump export of a table with encrypted columns will always encrypt the same columns when imported.
B. Tablespaces never remain in read/write mode during transportable tablespace operations.
C. Simultaneous data pump jobs can be limited at the pluggable database (PDB) level.
D. Tablespaces always remain in read/write mode during transportable tablespace operations.
E. A transportable data pump import can leave a plugged-in tablespace in read-only mode.
F. A transportable data pump import can leave a plugged-in tablespace in read/write mode.

Answer: C,E,F

Explanation:
"This method for transporting tablespaces requires that you place the tablespaces to be transported in read-only mode until you complete the transporting process. If this is undesirable, you can use the transportable tablespaces from backup feature" -> BC correct MAX_DATAPUMP_JOBS_PER_PDB determines the maximum number of concurrent Oracle Data Pump jobs per PDB. -> D correct
https://docs.oracle.com/en/database/oracle/oracle-database/19/admin/transporting- data.html#GUID-9304426D-9D40-4F0D-8661-F53B608A652F
https://docs.oracle.com/en/database/oracle/oracle-
database/19/refrn/MAX_DATAPUMP_JOBS_PER_PDB.html#GUID-E911645F-2CA4-447D- AFB7-EBD4753AA09F

NEW QUESTION # 55
Which four are true about duplicating a database using Recovery Manager (RMAN)? (Choose four.)

A. A connection to the target database instance is always required.
B. A backup of the target database is always required.
C. A connection tothe recovery catalog instance is always required.
D. A connection to an auxiliary instance is always required.
E. Duplication can be done by having the target database instance push copies to the auxiliary database instance.
F. A subset of the target database can be duplicated.
G. A new DBID is always created for the duplicated database.
H. Duplication can be done by having the auxiliary databaseinstance pull backup sets from the target database instance.

Answer: B,D,E,H

NEW QUESTION # 56
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