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: Mar 07, 2026

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Question 1

choose three Identify three reasons for using a recovery catalog with Recovery Manager (RMAN).

A : to allow database duplication without a connection to the target instance

B : to store backup metadata that would cause the controlfile to become too large.

C : to store backups that would cause the controlfile to become too large

D : to report on the database schema at an earlier point in time.

E : to allow database duplication without a connection to the auxiliary instance.

Answer: A,B,D

Question 2

choose two Which two statements are true about encrypted backups performed by using RMAN?

A : Transparent encryption of backups uses an encryption wallet.

B : Image copy backups can be created by using password encryption.

C : A password encryption of backups uses the password while creating and restoring backups.

D : Encrypted backups can only be written to disk.

E : A database uses the same encryption key for every encrypted backup.

Answer: A,C

Question 3

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 4

Which two are true about creating pluggable databases (PDBs) in Oracle 19c and later releases?

A : A PDB snapshot depends on an existing storage snapshot of the source PDB.

B : APDB snapshot can be a full copy of a source PDB.

C : A PDB snapshot can be a sparse copy of a source PDB

D : A snapshot copy PDB does not depend on an existing storage snapshot of the source PDB.

E : A snapshot copy PDB can be a full copy of a source PDB

Answer: B,C

Question 5

Choose three. Which three resources are always shared among CDB$ROOT and pluggable databases (PDBs)?

A : the data dictionary in CDB$ROOT

B : the log writer process (LGWR)

C : SYSAUX tablespaces

D : temporary tablespaces

E : the Process Monitor Process (PMON)

F : undo tablespaces

Answer: A,B

Page: 1 / 57

Total 285 Questions | Updated On: Mar 07, 2026

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