Free Practice Oracle 1Z0-083 Exam Questions 2025

Stay ahead with 100% Free Oracle Database Administration II 1Z0-083 Dumps Practice Questions

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Total 285 Questions | Updated On: Mar 27, 2025

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Question 1

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 2

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 3

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 4

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 5

Which two are true about Oracle Optimizer Statistics, their use, and their collection? (Choose two.)

A : The number of table rows is considered when evaluating the cost of accessing a table using an index.

B : Index balanced B*Tree height is considered when evaluating the cost of using an index.

C : The Statistics Advisor can help recommend the best way to gather statistics.

D : Statistics collected using DBMS_STATS always yield the best optimizer result.

E : The Statistics Advisor generates actions for all recommendations.

Answer: B,C

Page: 1 / 57

Total 285 Questions | Updated On: Mar 27, 2025

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