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Oracle 1Z1-083: Oracle Database Administration II is a certification exam that is designed for database administrators who are responsible for managing and maintaining Oracle databases. 1Z0-083 exam is a part of the Oracle Certified Professional Database Administrator certification track and is intended to test the candidate's knowledge and skills in areas such as database security, backup and recovery, performance tuning, and database upgrades.

Oracle 1Z1-083 (Oracle Database Administration II) Exam is designed for candidates who have already passed the Oracle Database SQL certification exam and have a solid understanding of SQL and database administration. 1Z0-083 Exam is intended for professionals who want to advance their careers in the field of database administration and management. 1Z0-083 exam tests the candidate's knowledge and skills in managing and administering Oracle databases, including backup and recovery, performance tuning, security, and high availability solutions.

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The Oracle Database Administration II (1Z0-083) practice questions (desktop and web-based) are customizable, meaning users can set the questions and time according to their needs to improve their discipline and feel the real-based exam scenario to pass the Oracle 1Z0-083 Certification. Customizable mock tests comprehensively and accurately represent the actual Oracle 1Z0-083 certification exam scenario.

Oracle 1Z0-083 exam tests candidates on their knowledge of various advanced database administration topics such as database architecture, backup and recovery, performance tuning, security, and high availability. 1Z0-083 Exam consists of 80 multiple-choice and multiple-answer questions that must be completed within 105 minutes. Candidates must score at least 64% to pass the exam.

Oracle Database Administration II Sample Questions (Q244-Q249):

NEW QUESTION # 244
Which two are true about creating RMAN backups for an Oracle container database? (Choose two.)

A. SPFILEbackups can be created while connected to an application root PDB.
B. The BACKUP DATABASE PLUS ARCHIVELOGcommand will back up archive logs when RMAN is connected to a PDB.
C. Tablespaces from different PDBs with identical names must be backed up by connecting RMAN separately to each PDB to back up the tablespaces.
D. The BACKUP PLUGGABLE DATABASEcommand can be used to back up CDB$ROOT.
E. The BACKUP DATABASEcommand will create a pluggable database (PDB) backup when RMAN is connected to a PDB.

Answer: C,E

NEW QUESTION # 245
Which three activities are possible for PDBs? (Choose three.)

A. converting an application PDB to an application root
B. converting an application container into another application container in the same CDB
C. converting an application container into another application container in a different CDB
D. converting an application PDB to a regular PDB
E. converting an application PDB to an application seed
F. converting a regular PDB to an application PDB
G. converting an application seed to an application PDB

Answer: B,D,F

NEW QUESTION # 246
Which three are true about monitoring waits for sessions and services? (Choose three.)

A. V$SESSION_EVENT displays all waits for all past sessions if the wait has occurred at least once for a session.
B. V$SESSION_WAIT and V$SESSION both contain details of the event on which a session is currently waiting.
C. V$SERVICE_EVENT displays all waits for all services if the wait has occurred at least once for a service.
D. V$SESSION_WAIT_CLASS displays waits broken down by wait class only for waiting sessions.
E. V$SESSION_WAIT and V$SESSION both contain details of the event on which a non-waiting session last waited.
F. V$SESSION_EVENT displays all waits for all past and existing sessions if the wait has occurred at least once for a session.

Answer: B,C,E

Explanation:
A, E - False : V$SESSION_EVENT displays information on waits for an event by a session.
V$SESSION_WAIT_HISTORY displays the last 10 wait events for each active session.
B - V$SERVICE_EVENT displays aggregated wait counts and wait times for each wait statistic.
C - False : V$SESSION_WAIT_CLASS displays the time spent in various wait event operations on a per-session basis.
D, F - True : V$SESSION_WAIT displays the current or last wait for each session.
V$SESSION.EVENT If the session is currently waiting, then the resource or event for which the session is waiting. If the session is not in a wait, then the resource or event for which the session most recently waited.
Resource :
https://docs.oracle.com/en/database/oracle/oracle-database/19/refrn/V-
SESSION_EVENT.html#GUID-5723D404-83F7-4C8D-8BF2-031B3FFEAAA8

NEW QUESTION # 247
Choose two. Which two restrictions apply when the RMAN BACKUP AS COPY command is used to create a backup?

A. Backups can be taken only for data files.
B. Backups can be written only to disk.
C. Backups can be taken only if a fast recovery area is configured.
D. Backups can be written only if checksums are stored for each block.
E. Binary compression cannot be applied to the backup.
F. Backups can be written only to media.

Answer: B,E

NEW QUESTION # 248
Which three are true about requirements for various flashback operations?

A. flashback data archive requires undo to store all versions of all rows of a table being tracked.
B. flashback drop requires undo to retrieve all versions of a row that existed between two points in time.
C. flashback drop requires that the recyclebin parameter be set to on.
D. flashback version query requires that the recyclebin parameter be set to on.
E. flashback version query requires undo to retrieve all versions of a row that existed between two points in time.
F. flashback transaction query requires undo to retrieve all versions of a row that existed between two points in time.

Answer: A,D,F

NEW QUESTION # 249
......

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