Free Access Oracle.1Z0-083.v2025-05-02.q283 Practice Test (Page 11)

Question 46

How do you configure a CDB for local undo mode?

A.Open the CDB instance in upgrade mode. In each PDB, execute alter database local undo on, create an undo tablespace, and then restart the CDB instance.

B.Open the CDB instance in restricted mode. In cdb$root, execute alter database local undo on. create an undo tablespace in each PDB, and then restart the CDB instance

C.Open the CDB instance in restricted mode. In cdb$root, drop the undo tablespace. Execute alter database local undo on in each PDB, and then restart the CDB instance.

D.Open the CDB in read-only mode. In cdb$root, execute alter database local undo on, and then change the CDB to read/write mode.

E.Open the CDB instance in upgrade mode. In cdb$root, execute alter database local undo on, and then restart the CDB instance.

Question 47

Examine this configuration: While CDB1 is open, '/u02/app/oracle/fast_recover_area/cdb1/CDB1/ controlfile02.ctl'is accidentally deleted. To recover from this critical failure, you execute these commands:
What will be the outcome?

A.It will fail because there is no autobackup of the controlfiles.

B.It will create '$ORACLE_HOME/dbs/cdb1/CDB1/controlfile02.ctl'

C.It will create '/u01/app/oracle/product/12.2.0.1/db_1/dbs/snapcf_cdb1control02.ctl'.

D.It will create '/u01/app/oralce/oradata/CDB1/controlfile/controlfile02.ctl'.

E.It will re-create '/u02/app/oracle/fast_recover_area/cdb1/CDB1/controlfile02.ctl'

Question 48

Which three are true about Rapid Home Provisioning (RHP), which has been available since Oracle 18c?

A.It can be used to deploy Grid Infrastructure homes, including Oracle Restart.

B.It can be used to deploy Oracle Database homes.

C.It is an Oracle Database service.

D.It cannot be used to provision applications.

E.It cannot be used to provision middleware.

F.It is an Oracle Grid Infrastructure service.

Question 49

Which three are true about the tools for diagnosing Oracle Database failure situations? (Choose three.)

A.The Automatic Diagnostic Repository (ADR) has a separate home directory for each instance of each Oracle product that is installed and uses it.

B.RMAN can always repair corrupt blocks.

C.Flashback commands help with repairing physical errors.

D.The ADR command-line utility (ADRCI) can package incident information to send to Oracle Support.

E.The Data Recovery Advisor uses the ADR.

F.The ADR can store metadata in an Oracle Database repository.

Question 50

Examine this output:

Which two are true? (Choose two.)

A.Any PDB not specified in the plan will be unable to execute statements in parallel.

B.PDB3 can use all available parallel execution processes at times.

C.PDB1 is always limited to 40% of the available system resources regardless of demand.

D.Any PDB not specified in the plan will be able to use a maximum of 16.5% of the available system resources.

E.PDB3 is guaranteed to receive at least 20% of the available system resources if there is enough demand.

F.PDB2 is guaranteed at least 25% of the available parallel execution processes if there is enough demand.

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Question 46

Question 47

Question 48

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Question 50

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