Oracle Oracle Database Administration II 1z0-083 Exam Dumps: Updated Questions & Answers (October 2025)

Question # 1

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?

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

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

Imported databases are unregistered from the RC11 catalog.

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

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

Question # 2

Choose two. Which two are true about RMAN duplexed backup sets?

They must be written to media.

They can be written only to disk.

They can be created only by using the COPIES option of a BACKUP command.

They can be created by using the RMAN CONFIGURE command to specify duplexing before taking a backup.

They can be written to media.

Question # 3

Choose the best answer. Which statement correctly describes the SQL profiling performed by the SQL Tuning Advisor?

It is a set of recommendations by the optimizer to change the access methods used.

It is auxiliary information collected by the optimizer for a SQL statement to eliminate estimation error.

It is a set of recommendations by the optimizer to restructure a SQL statement to avoid suboptimal execution plans.

It is auxiliary information collected by the optimizer for a SQL statement to help use better joins orders.

It is a set of recommendations by the optimizer to create new indexes.

Question # 4

choose one .Examine the RMAN commands: RMAN> CONNECT TARGET "sbu@prod AS SYSBACKUP"; RMAN> CONNECT AUXILIARY "sbu@dup_db AS SYSBACKUP"; RMAN> DUPLICATE TARGET DATABASE TO dup_db FROM ACTIVE DATABASE PASSWORD FILE SECTION SIZE 400M; Which statement is true about the DUPLICATE command?

It succeeds and creates multisection backup sets that are used for active database duplication.

It fails because there is no connection to a recovery catalog.

It succeeds only if the target database is in MOUNT state.

It fails because no parallel channels are allocated for the auxiliary database.

Question # 5

Choose three. Which three are true about using an RMAN Recovery Catalog with a pluggable database (PDB) target connection in Oracle Database 19c and later releases?

The base catalog owner must give the Virtual Private Catalog access to metadata for one or more PDBs.

The target PDB must be registered in both the base catalog and the Virtual Private Catalog.

The base catalog must be used by RMAN when performing point-in-time recovery for the PDB registered in the Virtual Private Catalog.

The base catalog must be enabled for Virtual Private Catalog use.

The target PDB must be registered in a Virtual Private Catalog.

The target PDB must be registered in a base catalog.

Question # 6

Choose the best answer. Application PDBs, SALES_APP1 and SALES_APP2, must be created and they must access common tables of the SALES_APP application. Examine these steps: 1. Install the SALES_APP application, including the common tables, in the application root. 2. Install the SALES_APP application in the application root and the common tables in both the CDB root and the application root. 3. Create an application seed.; 4. Install the SALES_APP application in the application seed. 5. Create the SALES_APP1 and SALES_APP2 application PDBs. 6. Sync root. 7. Sync seed. 8. Sync the SALES_APP1 and SALES_APP2 application PDBs with the application the SALES_APP1 and SALES_APP2 application PDBs with the application the application seed with the application root.

Which are the minimum required steps in the correct sequence?

1,3,5,7

3,4,1,6,8

1,3,5,6,7

1,5,6

2,5,6

Question # 7

choose two Examine these RMAN commands: RMAN> CONNECT TARGET "sbu@prod AS SYSBACKUP"; RMAN> CONNECT AUXILIARY "sbu@dup_db AS SYSBACKUP"; RMAN> DUPLICATE TARGET DATABASE TO dup_db FROM ACTIVE DATABASE PASSWORD FILE SECTION SIZE 400M; Which two statements are true about the DUPLICATE command?

It succeeds.

It fails because no parallel channels are allocated for the auxiliary database.

It fails because connection to the AUXILIARY instance must be as SYSDBA.

Itsucceeds only if the target database is greater than 400M.

No catalogued backup of the TARGET is used to duplicate the database.

Question # 8

Which two statements are true when row archival management is enabled?

The ORA_ARCHIVE_STATE column visibility is controlled by the ROW ARCHIVAL VISIBILITY session parameter.

The ORA_ARCHIVE_STATE column is updated manually or by a program that could reference activity tracking columns, to indicate that a row is no longer considered active.

The ROW ARCHIVAL VISIBILITY session parameter defaults to active rows only.

The ORA_ARCHIVE_STATE column is visible if referenced in the select list of a query.

The ORA_ARCHIVE_STATE column is updated automatically by the Oracle Server based on activity tracking columns, to Indicate that a row is no longer considered active. Correct

Question # 9

choose two You configured the Fast Recovery Area (FRA) for your database. The database instance is in ARCHIVELOG mode. The default location for the archived redo log files is the FRA. Which two files are removed automatically if space is required in the FRA as per the retention policy?

user-managed backups of data files and control files

flashback logs

RMAN backups that are obsolete

archived redo log files that have multiple copies in a different archive location

Question # 10

Which three are true about Automatic Workload Repository (AWR), Automatic Database Diagnostic Monitor (ADDM), and the Manageability Monitor (MMON) background process? (Choose three.)

ADDM can recommend shrinking the buffer cache.

ADDM can recommend extending the buffer cache.

By default, MMON creates an AWR snapshot every 30 minutes.

ADDM performs its analysis only when a DBA requests it.

By default, AWR snapshots are automatically purged after eight days.

AWR snapshots must be deleted when no longer required by ADDM.

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Oracle Oracle Database Administration II 1z0-083 Exam Dumps: Updated Questions & Answers (October 2025)

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