Free Oracle 1Z0-083 Exam Questions

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

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Total 285 Questions | Updated On: Jan 28, 2026

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Question 1

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

A : The ORA_ARCHIVE_STATE column may only be queried by users with the DBA role set.

B : The ORA_ARCHIVE_STATE column is only displayed if it is referenced in the column select list of a query

C : The ROW ARCHIVAL VISIBILITY session parameter defaults to active rows.

D : The ORA_ARCHIVE_STATE column may only be updated by users with the DBA role set.

E : The ORA_ARCHIVE_STATE column is updated in an overnight maintenance job based on activity tracking.

Answer: B,C

Question 2

Choose two. You want to install Oracle Grid Infrastructure for a Standalone Server using Oracle Universal Installer (OUI). There is no existing Oracle installation on the server. Which two are prerequisites?

A : an operating system user to own this installation

B : the Oracle Inventory group oinstall

C : an operating system account called grid

D : a group called dba

E : the installation of Oracle ASMLIB

Answer: A,B

Question 3

You execute the following piece of code with appropriate privileges: BEGIN DBMS_REDACT.ADD_POLICY ( END; object_schema object_name column_name policy_name function_type expression => 'SCOTT', => 'EMP', => 'SAL', => 'SCOTT_EMP', => DBMS_REDACT.FULL, => 'SYS_CONTEXT (''SYS_SESSION_ROLES'',''MGR'') = ''FALSE'''); END; BEGIN DBMS_REDACT.ADD_POLICY ( object_schema object_name column_name policy_name function_type expression => 'SCOTT', => 'EMP_VW', => 'SAL', => 'SCOTT_EMP_VW', => DBMS_REDACT.NONE, => 'SYS_CONTEXT (''SYS_SESSION_ROLES'',''MGR'') = ''FALSE'''); User SCOTT has been granted the CREATE SESSION privilege and the MGR role. Which two statements are true when a session logged in as SCOTT queries the SAL column in the view and the table?

A : DataisredactedfortheEMP.SALcolumnonlyiftheSCOTTsessiondoesnothavetheMGR role set.

B : DataisredactedforEMP.SALcolumnonlyiftheSCOTTsessionhastheMGRroleset.

C : Data is never redacted for the EMP_VW.SAL column.

D : Data is redacted for the EMP_V.SAL column only if the SCOTT session has the MGR role set.

E : Data is redacted for the EMP_V.SAL column only if the SCOTT session does not have the MGR role set. Correct

Answer: A,C

Question 4

You notice that the performance of your production 24/7 Oracle 12c database has significantly degraded. Sometimes you are not able to connect to the instance because it hangs. You do not want to restart the database instance. How can you detect the cause of the degraded performance?

A : Enable Memory Access Mode, which reads performance data from SGA.

B : Use emergency monitoring to fetch data directly from SGA for analysis.

C : Run Automatic Database Diagnostic Monitor (ADDM) to fetch information from the latest Automatic Workload Repository (AWR) snapshots.

D : Use Active Session History (ASH) data and hang analysis in regular performance monitoring,

E : Run ADDM in diagnostic mode.

Answer: B

Question 5

Which two are true about creating RMAN backups for an Oracle container database?

A : Online Redo Log backups can be created while connected to CDB$ROOT

B : Control file backups can be created while connected to CDB$ROOT.

C : The BACKUP TABLESPACE command can back up a pDB tablespace even if RMAN is connected to CDB$ROOT.

D : Archived Redo Log backups can be created while connected to PDB

E : Control file backups can not be created while connected to a PDB

Answer: A,B

Page: 1 / 57

Total 285 Questions | Updated On: Jan 28, 2026

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