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 21, 2026

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Question 1

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

Question 2

Choose three. Which three are true about the Oracle Optimizer?

A : It considers the filters in WHERE clauses when generating execution plans for SQL statements.

B : It obeys all hints.

C : It considers object statistics when generating execution plans for SQL statements.

D : It updates stale object statistics in the Data Dictionary.

E : It can only use SQL Plan Directives tied to the SQL statement for which a plan is being generated.

F : It can re-optimize execution plans after previous executions detect suboptimal plans.

Answer: A,D

Question 3

Choose two. Which two are true about RMAN backups when using a media manager?

A : A media manager always writes RMAN requested backups to tape.

B : A media manager is required to create RMAN image copies.

C : A media manager is required to create RMAN proxy copies.

D : The media manager layer (MML) routines provided by Oracle support any vendors' media management products.

E : By default, a request for a proxy copy may result in a backup set being created.

Answer: C,E

Question 4

HR_ROOT is an application container with the HR_APP application installed. No application PDBs and no application seed have yet been created in HR_ROOT. An application PDB, PDB1,must be created so that the HR_APP application's common objects are accessible to it. Which two methods can be used?

A : Create the PDB1 application PDB and synchronize it with poB$SEED.

B : Create the PDB1 application PDB and synchronize it with HR_ROOT.

C : Create the PDB1 application PDB and install HR_APP in it.

D : Create an application seed, and install HR_APP in it.

E : Create an application seed, synchronize it with HR_ROOT, and then create the PDB1.application PDB.

Answer: A,B

Question 5

Examine this configuration: 1. CDB1 is a container database. 2. COMMON_USER_PREFIX is C##. 3. PDB1 is a pluggable database contained in CDB1. 4. APP1_ROOTis an application container contained in CDB1. 5. APP1_PDB1 is an application PDB contained in APP1_ROOT. You execute these commands successfully: Which two are true? (Choose two.)

A : APP1_USER1can be created in PDB1.

B : APP1_USER1can be created in CDB1.

C : APP1_USER1 can have different privileges in each Application PDB contained in APP1_ROOT.

D : C##_APP_USER1 can be created in CDB1.

E : P1_USER1can be created in CDB1.

F : C##_USER1will have the same privileges and roles granted in all PDBs in CDB1.

Answer: C,D

Page: 1 / 57

Total 285 Questions | Updated On: Feb 21, 2026

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