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Oracle 1Z0-083 exam is designed for professionals who are seeking to become certified in Oracle Database Administration II. Oracle Database Administration II certification exam is the second step in the Oracle Database Administrator certification track and is intended for candidates who already possess a solid foundation in database administration. 1Z0-083 Exam assesses the candidate's knowledge and skills in advanced database administration topics such as database security, backup and recovery, performance tuning, and high availability.

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Oracle 1Z1-083: Oracle Database Administration II certification exam is a challenging and comprehensive exam that tests the skills and knowledge of database administrators in managing and maintaining Oracle databases. It is an ideal certification for professionals who want to further enhance their skills and knowledge in this field and gain recognition for their expertise. With proper preparation and study, candidates can pass the exam and achieve the Oracle 1Z1-083 certification, which can lead to better job opportunities and higher salaries.

Oracle Database Administration II Sample Questions (Q20-Q25):

NEW QUESTION # 20
Which two are true about the Automatic Database Diasnostic Monitor (ADDM)? (Choose two.)

A. It runs automatically after each AWR snapshot.
B. A DBA can run it manually.
C. It analyzes a period of time corresponding to the 12 hours of activity.
D. It analyzes a period of time corresponding to the last day of activity.
E. Results are written to the alert log.

Answer: A,E

NEW QUESTION # 21
Which four are true about a Recovery Manager (RMAN) duplication without a TARGET connection? (Choose four.)

A. RMAN disk-based backups of the database to be duplicated can be used by the auxiliary instance.
B. The UNDO TABLESPACE clause is always required when no connection exists to the TARGET instance.
C. RMAN "pushes" the backups of the database to be duplicated over the network to the auxiliary instance.
D. The NOREDO clause can be used if the backups of the database being duplicated were taken when the database was in ARCHIVELOG mode.
E. The UNDO TABLESPACE clause is always required when no connection exists to the recovery catalog and the TARGET database is opened.
F. The NOREDO clause must be used if the backups of the database being duplicated were taken when the database was in NOARCHIVELOG mode.
G. RMAN SBT-based backups of the database to be duplicated can be used by the auxiliary instance.
H. The UNDO TABLESPACE clause is always required when no connection exists to the recovery catalog and the TARGET database is closed.

Answer: A,B,E,F

Explanation:
Reference:
http://oradb-srv.wlv.ac.uk/ora12c/RCMRF/rcmsynta020.htm

NEW QUESTION # 22
Examine these queries and their output:

An online RMAN backup of the CDB was taken an hour before Restore Point R1 was created. You want to recover PDB1 to Restore Point R1.
How do you achieve this?

A. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using SQL while connected to CDB$ROOT.
B. This cannot be done due to the lack of a clean restore point.
C. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using SQL while connected to PDB1.
D. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using RMAN while connected to CDB$ROOT.
E. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using RMAN while connected to PDB1.

Answer: C

NEW QUESTION # 23
Which two are true about backup set compression using RMAN default compression? (Choose two.)

A. Compression can be done only for locally managed tablespaces.
B. Binary compression adds CPU overhead to backup operations.
C. Compressed backups cannot have a section size defined.
D. Unused blocks below the high water mark are backed up.
E. Compressed backups can be written only to media.

Answer: B,D

NEW QUESTION # 24
Which three are true about RMAN persistent configuration settings, administration, and their effects? (Choose three.)

A. A DBA must specify either a redundancy retention policy or a recovery window retention policy.
B. The RMAN SHOW ALL command displays only settings with nondefault values.
C. A target database's persistent RMAN configuration settings are always stored in the target's control file
D. The V$RMAN_CONFIGURATION view displays only settings with values that have been modified.
E. Backup older than the recovery window retention policy are always deleted automatically if the backup location has insufficient space.
F. A target database's persistent RMAN configuration settings are always synchronized automatically with the RMAN catalog.
G. Backups written to the fast recovery area (FRA) that are oboslete based on the redundancy retention policy can be deleted automatically to free space.

Answer: C,D,G

NEW QUESTION # 25
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Oracle Database Administration II Sample Questions (Q20-Q25):

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