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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Objectives
Database Backup and Recovery	- Database recovery techniques - RMAN configuration and backup strategies
Database Architecture and Administration	- Multitenant container database (CDB/PDB) concepts - Oracle Database architecture components
Storage and Space Management	- Tablespaces and datafiles - Segment management
Performance Management	- SQL performance tuning - Automatic Workload Repository (AWR) and diagnostics
Security Management	- User management and privileges - Database auditing and encryption

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Oracle Database Administration II Sample Questions (Q254-Q259):

NEW QUESTION # 254
Which two are true about flashback features in Oracle Database 19c and later releases? (Choose two.)

A. Flashback logs are automatically purged whenever the value of DB_FLASHBACK_RETENTION_TARGET is changed.
B. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET before there is space pressure.
C. Flashback logs are monitored for being older than the retention period defined in DB_FLASHBACK_RETENTION_TARGET and can be deleted by an administrator written event trigger.
D. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET only after there is space pressure.
E. Flashback logs are automatically purged when DB_FLASHBACK_RETENTION_TARGET is set lower than the time they have already been retained.

Answer: B,E

NEW QUESTION # 255
Which three methods can be used for heap table data migration after upgrading a database?

A. using Oracle Data Pump
B. using Database Replay
C. using Database Upgrade Assistant
D. using the create table AS select SQL statement
E. using SQL Developer
F. using operating system file copy utilities

Answer: B,C,E

NEW QUESTION # 256
Which three are true about actions that can or cannot be performed by users with the SYSBACKUP privilege?
(Choose three.)

A. They can view data from any user-defined tables.
B. They cannot create restore points.
C. They can view data from any data dictionary view or dynamic performance view.
D. They can create any table.
E. They can drop any tablespace.
F. They cannot drop tablespaces.

Answer: D,F

NEW QUESTION # 257
Which two statements are true about indexes and their administration in an Oracle database?

A. A descending index is a type of bitmapped index.
B. An invisible index is maintained when a Data Manipulation Language (DML) command is per- formed on its underlying table.
C. A non-unique index can be converted to a unique index using a Data Definition Language (DDL) command.
D. An index can be scanned to satisfy a query without the indexed table being accessed.
E. An index is always created by scanning the key columns from the underlying table.

Answer: B,D

NEW QUESTION # 258
You have configured RMAN SBT channels to write backups to media.
You then take an RMAN backup by using this command:

Which three are true? (Choose three.)

A. The control file is included in the self-contained archival backup.
B. The data file backups in the self-contained archive backup are not considered obsolete for two years regardless of the retention policy.
C. The restore point is a label for the system change number (SCN) that will be saved two years after the archival backup was taken.
D. All archive logs created after this backup are kept for two years.
E. The SPFILE is included in the self-contaied archival backup.
F. The restore point is a label for the system change number (SCN) before the archival backup was taken.

Answer: A,D,E

NEW QUESTION # 259
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