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: Oct 28, 2025

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Question 1

Choose two. Which two are true about diagnosing Oracle Database failure situations using Data Recovery Advisor?

A : Data Recovery Advisor can proactively check for failures.

B : Using the Data Recovery Advisor LIST FAILURE command always requires that the database for which failures are to be listed is in MOUNT state.

C : ata Recovery Advisor can be used if a database is in the NOMOUNT state.

D : A failure can be closed only if the database is in MOUNT state.

E : Data Recovery Advisor can be used if a database is closed.

Answer: A,B

Question 2

Which four are true about duplicating a database using Recovery Manager (RMAN)? (Choose four.)

A : Duplication can be done by having the auxiliary database instance pull backup sets from the target database instance.

B : A connection to an auxiliary instance is always required.

C : A subset of the target database can be duplicated.

D : A new DBID is always created for the duplicated database.

E : A connection to the recovery catalog instance is always required.

F : A backup of the target database is always required.

G : Duplication can be done by having the target database instance push copies to the auxiliary database instance.

H : A connection to the target database instance is always required.

Answer: A,B,C

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

Which two are true about RMAN duplexed backup sets? (Choose two.)

A : A duplexed backup set uses the same number of SBT channels as a non-duplexed backup set for the same number of files.

B : A non-duplexed backup set written to disk can be duplexed to disk by backing up the backup set that is already on disk.

C : A non-duplexed backup set written to SBT can be duplexed to tape by backing up the backup set that is already on tape.

D : A non-duplexed backup set written to disk can be duplexed to tape by backing up the backup set that is already on disk.

E : A non-duplexed backup set written to SBT can be duplexed to disk by backing up the backup set that is already on tape.

F : A duplexed backup set always uses twice as many SBT channels as a non-duplexed backup set for the same number of files.

Answer: B,D

Question 5

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

Page: 1 / 57

Total 285 Questions | Updated On: Oct 28, 2025

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