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: Nov 26, 2025

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Question 1

A database is configured in ARCHIVE LOG mode. A full RMAN backup exists but no control file backup to trace has been taken. A media failure has occurred. In which two scenarios is incomplete recovery required? (Choose two.)

A : after losing a SYSAUX tablespace data file

B : after losing all members of an INACTIVE online redo log group

C : after losing all members of the CURRENT online redo log group

D : after losing all copies of the control file

E : after losing an UNDO tablespace that is in use

Answer: C,D

Question 2

Choose the best answer. Examine this configuration:
1. CDB1 is a container database running in ARCHIVELOG mode.
2. Multiple uncommitted transactions are running in CDB1.
3. Redo log groups 1 and 2 are INACTIVE.
4. Redo log group 3 is the CURRENT group
All members of redo log group 3 are lost before it is archived. Examine these possible steps:
1. SHUTDOWN ABORT
2. STARTUP NOMOUNT
3. STARTUP MOUNT
4. ALTER DATABASE MOUNT
5. RESTORE DATABASE
6. RECOVER DATABASE NOREDO
7. RECOVER DATABASE UNTIL AVAILABLE
8. RESTORE ARCHIVELOG ALL
9. ALTER DATABASE OPEN
10. ALTER DATABASE OPEN RESETLOGS
Choose the minimum required steps in the correct order to recover the database.

A : 1,3,5, 6, 9

B : 1,3,5, 7, 10

C : 1,2, 5, 7,4, 10

D : 1,3, 5, 6, 10

E : 1,3,5, 6, 10

F : 1,3,5,8, 6, 10

Answer: B

Question 3

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 4

Examine the query and its output executed In an RDBMS Instance: Which three statements are true about the users (other than sys) in the output?

A : TheC# # B_ADMIN user can perform all back up and recovery operation susing RMAN only.

B : The C # # C_ADMIN user can perform the data guard operation with Data Guard Broker

C : The C # # A_ADMIN user can perform wallet operations.

D : The C # # D_ADMIN user can perform backup and recovery operations for Automatic Storage Management (ASM).

E : The C # # B_ADMIN user can perform all backup and recovery operations using RMAN or SQL* Plus.

Answer: A,B,D

Question 5

Choose two. Which two are true about memory advisors?

A : If Automatic Memory Management is enabled, no memory advisors are available.

B : If Automatic Memory Management is enabled, the Shared Pool Advisor and Buffer Cache Advisor are available to set the maximum size for these individual System Global Area components.

C : All memory advisors use data from Automatic Workload Repository

D : If Automatic Shared Memory Management is enabled, both the SGA Advisor and PGA Advisor are always available.

E : If Manual Shared Memory Management is enabled, only the Shared Pool Advisor and Buffer Cache Advisor are available.

Answer: C,D

Page: 1 / 57

Total 285 Questions | Updated On: Nov 26, 2025

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