Free Access Oracle.1Z0-083.v2026-05-24.q248 Practice Test (Page 18)

Question 81

Examine this output:

Which two are true?

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

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

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

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

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

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

Question 82

Which two are true about gathering optimizer statistics? (Choose two.)

A.Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics in all open PDBs except PDB$SEED.

B.Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to a PDB opened in read/write mode gathers object statistics for that PDB.

C.Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics only in CDB$ROOT.

D.System statistics can be gathered only while connected to CDB$ROOT.

E.Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics in all open pluggable databases (PDBs)

Question 83

Which two are true about Oracle Database Configuration Assistant (DBCA)? (Choose two.)

A.It can be launched from both the command line and the Universal Installer (OUI) interfaces.

B.It can be used to change the character set of an existing database.

C.It can be used to convert a non-container database to a container database.

D.It can be used to create container databases and non-container databases.

E.It can only be launched from the command line interface.

Question 84

Which three methods can be used for heap table data migration after upgrading a database? (Choose three.)

A.using Database Replay

B.using SQL Developer

C.using Oracle Data Pump

D.using operating system file copy utilities

E.using Database Upgrade Assistant

F.using the CREATE TABLE AS SELECT SQL statement

Question 85

Examine this command:
$ rhpctl move database -sourcehome Oracle_home_path -destinationhome
Oracle_home_path
For which two purposes can you use this command? (Choose two.)

A.to switch an existing Oracle Database home to a newer release of Oracle software on the same server

B.to switch to a read-only Oracle home

C.to switch back to the previous Oracle home as part of a rollback operation

D.to switch the Oracle Database home when using a centralized Rapid Home Provisioning server

E.to switch to a patched Oracle Database home

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Question 81

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