Free Oracle 1Z0-083 Exam Questions

Become Oracle Certified with updated 1Z0-083 exam questions and correct answers

Page: 1 / 57

Total 285 Questions | Updated On: Feb 21, 2026

Add To Cart

Question 1

Choose two. Which two are true about a Recovery Manager (RMAN) duplication without a TARGET connection?

A : The UNDO TABLESPACE clause is always required when no connection exists to the recovery catalog and the TARGET database is closed.

B : RMAN disk-based backups of the database to be duplicated can be used by the auxiliary instance.

C : The UNDO TABLESPACE clause is always required when no connection exists to the TARGET instance.

D : The UNDO TABLESPACE clause is never required.

E : RMAN 'pushes' the backups of the database to be duplicated over the network to the auxiliary instance.

Answer: A,B

Question 2

Choose two You upgrade your database from pre-12c to a multitenant container database (CDB) that contains pluggable databases (PDBs). Examine the query and its output: SQL> SELECT * FROM v $PWFILE_users; USERNAME SYSDB SYSOP SYSAS SYSBA SYSDG SYSKM CON_ID ------------------------------------------------------------------------SYS TRUE TRUE FALSE FALSE FALSE FALSE 0 Which two tasks must you perform to add users with the SYSBACKUP, SYSDG, and SYSKM prileges to the password file?

A : Re-create or migrate the password file to the Oracle Database 12c format

B : Grant the SYSBACKUP, SYSDG, and SYSKM privileges to the intended users.

C : Copy the password file from a sample file in the DBS dierectory

D : Assign appropriate operating system groups to SYSBACKUP, SYSDG, and SYSKM.

Answer: A,B

Question 3

Which two are true about changing the LOCAL_UNDO_ENABLED property to false in a CDB? (Choose two.)

A : After the change, only a common user with the required privilege can create an undo tablespace in CDB&ROOT.

B : Any new PDB and existing PDBs are automatically configured to use the default undo tablespace in CDB$ROOT

C : After the change, only one undo tablespace can exist in CDB$ROOT.

D : After the change, any user with the required privilege can create an undo tablespace in the PDBs.

E : Undo tablespaces existing in PDBs must be dropped before the change.

F : After the change, each existing PDB has to be reopened for the new undo mode to take effect.

Answer: A,B

Question 4

Which three are true about transporting databases across platforms using Recovery Manager (RMAN) image copies? (Choose three.)

A : By default, the transported database will use Oracle Managed Files (OMF)

B : Data files can be converted on the destination system.

C : Data files can be converted on the source system.

D : A new DBID is automatically created for the transported database.

E : Databases can be transported between systems with different endian formats.

F : The password file is automatically converted by RMAN.

Answer: A,B,C

Question 5

Choose three. Your container database, CDB1, is in local undo mode. You successfully execute this command while connected to CDB1: CREATE PLUGGABLE DATABASE pdb1 ADMIN USER pdb1_admin IDENTIFIED BY pdb123 ROLES= (CONNECT) CREATE_FILE_DEST='/u01/app/oracle/oradata/cdb1/pdb1' ; Which three are true about PDB1?

A :

It has the same common users defined as does CDB1.

B :

It has only local roles.

C :

It has the same number of roles as CDB1.

D :

Service PDB1 is created for remote logins to PDB1.

E :

It is in mount state after creation.

F :

It has no local users.

Answer: A,B,D

Page: 1 / 57

Total 285 Questions | Updated On: Feb 21, 2026

Add To Cart