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: Mar 26, 2026

Add To Cart

Question 1

Choose three. In a single-instance, multitenant container database (CDB), which three are only ever defined in or part of CDB$ROOT?

A : redo logs

B : control files

C : all data dictionary metadata

D : user-defined PL/SQL packages

E : temporary tablespaces

F : mandatory Oracle-supplied PL/SQL packages

G : undo tablespaces

Answer: A,B,C

Question 2

Choose the best answer. Examine this output of an export from the current release of an Oracle multitenant database: $ sqlplus system/oracle . SQL> col name for a10 SQL> select name, open_mode from v$pdbs; NAME OPEN_MODE ---------------------------------------PDB$SEED READ ONLY PDB1 READ WRITE PDB2 MOUNTED SQL> exit Next you execute: $ expdp system/oracle full=y What is the outcome?

A : It fails because Data Pump cannot be container.

B : It creates a full export of the root

C : It creates a full export of only the used while connected to the root container and PDB1. container and all PDBs. container and all open PDBs. root container.

Answer: A

Question 3

Which three are true about opatch auto? (Choose three.)

A : It performs a shutdown and then a restart of all processes in both Oracle Grid Infrastructure and Oracle Database home during the patching process.

B : It must be invoked by a user with root user privileges.

C : Patches are applied via opatchauto.

D : Users must always input patch plans to opatchauto.

E : It requires the Oracle Grid Infrastructure and Oracle Database instances to be shut down before being invoked.

F : It applies patches in nonrolling mode by default.

G : It is used to apply interim patches to Oracle Grid Infrastructure and Oracle Database home combinations.

Answer: A,B

Question 4

Choose the best answer. Which should be tuned first when doing a performance tuning exercise for an Oracle Database environment?

A :

log writer performance

B :

database writer performance

C :

general operating system health

D :

SQL statements

E :

database instance memory management and sizes

Answer: C

Question 5

Choose three. Which three are true about upgrading an application in an application container?

A :

An application root clone gets created automatically.

B :

The upgrade can be performed when connected either to CDB$ROOT or to PDB$SEED.

C :

After an application upgrade, the application container-s PDBs remain synchronized with the existing application root.

D :

The upgrade must be performed when connected to CDB$ROOT.

E :

An application name and version number must be specified to upgrade the application.

F :

After an application upgrade, the application container-s PDBs are automatically synchronized with the application root clone.

Answer: A,C,E

Page: 1 / 57

Total 285 Questions | Updated On: Mar 26, 2026

Add To Cart