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: Feb 11, 2026

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Question 1

Choose three. PDB1 and PDB2 are pluggable databases in CDB1. Examine these commands: $ export ORACLE_SID=CDB1 $ sqlplus / as sysdba SQL> STARTUP ....... Database opened. SQL> SHOW PDBS CON_ID CON_NAME --------------------------------------------------------------------OPEN MODE READ ONLY NO MOUNTED MOUNTED SQL> ALTER PLUGGABLE Pluggable database altered. SQL> ALTER PLUGGABLE DATABASE pdb1 SAVE STATE; Pluggable database altered. SQL> ALTER PLUGGABLE DATABASE pdb1 CLOSE; Pluggable database altered. SQL> ALTER PLUGGABLE A DATABASE pdb2 OPEN; Pluggable database altered. CDB1 is then restarted. Which three are true?

A : PDB2 will be opened READ WRITE.

B : PDB1 will be opened READ WRITE.

C : PDB1 will be MOUNTED.

D : PDB$SEED will be opened READ ONLY.

E : PDB$SEED will be MOUNTED

F : PDB2 will be MOUNTED.

Answer: A,B,D

Question 2

Examine this configuration: 1. CDB1 is a container database. 2. PDB1 and PDB2 are pluggable databases in CDB1. You execute these commands successfully: Which two are true? (Choose two.)

A : PDB1 and PDB2 are in MOUNT state.

B : Redo logs are opened.

C : PDB1 and PDB2 are in READ ONLY state.

D : CDB$ROOT is in MOUNT state.

E : PDB$SEED is in READ ONLY state.

Answer: A,D

Question 3

Choose three. Which three are true in Oracle 19c and later releases?

A : Tablespaces always remain in read/write mode during transportable tablespace operations.

B : Tablespaces never remain in read/write mode during transportable tablespace operations.

C : A transportable data pump import can leave a plugged-in tablespace in read-only mode.

D : Simultaneous data pump jobs can be limited at the pluggable database (PDB) level.

E : A transportable data pump import can leave a plugged-in tablespace in read/write mode.

F : An ordinary data pump export of a table with encrypted columns will always encrypt the same columns when imported.

Answer: A,B

Question 4

Choose two. Which two are true about an RPM-based Oracle Database installation?

A : It includes the Oracle Preinstallation RPM.

B : From Oracle Database 18c, a single RPM can be used to install only Oracle Database Server for a single instance.

C : It requires an Unbreakable Linux Network (ULN) subscription.

D : It performs a software-only Oracle Database installation.

E : It uses a service configuration script to create a single-instance database as part of the installation.

Answer: B,D

Question 5

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

Page: 1 / 57

Total 285 Questions | Updated On: Feb 11, 2026

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