Free Access Oracle.1Z0-083.v2026-05-24.q248 Practice Test (Page 3)

Question 6

Your production database is running in archivelog mode. You use RMAN with a recovery catalog to back up your database to media and the database is uniquely identified in the recovery catalog. You want to create a test database from the production database and allow the production database to remain open during the duplicate process. You restore the database backups to a new host with the same directory structure as the production database and want to use the recovery catalog for future backups after the database is successfully restored to the new host. How would you achieve this?

A.by using the RMAN duplicate command with dbid and set new name for tablespace to recover the database to the new host

B.by using the RMAN duplicate command with nofilenamecheck to recover the database to the new host

C.by using the RMAN switch command to set the new location for the data files

D.by creating a new database in the new host, and then using the RMAN recover command

Question 7

You want to create a duplicate database DUP_DB from your production database PROD on the same host. The PROD database uses Automatic Storage Management (ASM) for storage.
Regular backups are taken using RMAN connected to a recovery catalog. You create an auxiliary instance and want to execute the command:
RMAN> DUPLICATE TARGET DATABASE TO dup_db FROM ACTIVE DATABASE;
What is a prerequisite for the successful execution of this command?

A.RMAN must be connected to the target database instance and the auxiliary instance.

B.Flashback must be enabled for the PROD database.

C.A most recent backup set of the PROD database must exist.

D.The target database must be in MOUNT state.

Question 8

Which two are true about OS groups and users for Oracle Grid Infrastructure and the Oracle Relational Database Management System (RDBMS)? (Choose two.)

A.The same OSDBA group must be used for Automatic Storage Management and the Oracle Database.

B.The Oracle Grid Infrastructure owner must have OSOPER, OSBACKUPDBA, and OSKMDBA as secondary groups.

C.The primary group for the Oracle Grid Infrastructure and Oracle Database owners must be the Oracle Inventory group.

D.The Oracle Grid Infrastructure owner owns Oracle Restart and Oracle Automatic Storage Management binaries.

E.The Oracle Grid Infrastructure installation must be owned by the grid user.

F.By default, members of the OSASM group can access Automatic Storage Management and RDBMS instances.

Question 9

Choose two. Which two are true about reclaiming space used by Flashback logs in Oracle Database 19c and later releases?

A.Space is always reclaimed automatically when the retention period for Flashback logs is lowered.

B.Space might be reclaimed automatically when the retention period for Flashback logs is lowered.

C.Space might be reclaimed proactively before space pressure occurs.

D.Space is only reclaimed when there is space pressure in the Fast Recovery Area (FRA).

E.Space is always reclaimed proactively before space pressure occurs.

Question 10

On the 10th of August, you implement an incremental database backup strategy and configure a recovery window of five days.
Level 0 backups are taken on the 10th, 17th, and 24th of August.
Differential level 1 incremental backups are taken daily between the level 0 backups.
Today is the 26th of August.
Which backups will be obsolete?

A.all backups prior to 22nd of August

B.all backups prior to 10th of August

C.all backups prior to 24th of August

D.all backups prior to 20th of August

E.all backups prior to 17th of August

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