Free Access Oracle.1Z1-083.v2022-05-30.q253 Practice Test (Page 36)

Question 171

Examine this output:

Which two are true? (Choose two.)

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

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

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

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

Question 172

Which two are true about Optimizer Statistics? (Choose two.)

A.They provide real-time data about schema objects.

B.They are ignored by Optimizer if they are stale.

C.They are gathered by the SQL Tuning Advisor.

D.By default, they are automatically gathered by a maintenance job.

E.They can be gathered by the DBMS_STATS package.

Question 173

Which two are prerequisites for using FLASHBACK TABLE? (Choose two.)

A.The FLASHBACK ANY TABLE system privilege or the FLASHBACK object privilege must be granted to the user performing the flashback.

B.A table's constraints must be disabled before issuing the flashback.

C.A table's indexes must be set to unusable before issuing the flashback.

D.The FLASHBACK ANY TABLE system privilege or the FLASHBACK object privilege must be granted to the table owner.

E.Row Movement must be enabled on the table being flashed back.

Question 174

Examine this configuration:
1.The ORCL database data files are in Automatic Storage Management (Oracle ASM) disk group +DATA.
2.ORCL uses disk group +FRA for the Fast Recovery Area.
3.LISTENER is the listener for ORCL.
4.The database, listener, ASM instance, and ASM disk groups are managed by Oracle Restart.
5.All components are currently shut down.
You execute this command:

What is the outcome?

A.The ORCL database, the Oracle ASM instances, the +DATA and +FRA disk groups, and the LISTENER are started.

B.Only the ORCL database instance is started.

C.Only the ORCL database and the ASM instances are started.

D.Only the ORCL database instance, the Oracle ASM instance, and the +DATA and +FRA disk groups are started.

E.Only the ORCL database instance and the +DATA and +FRA disk groups are started.

Question 175

Examine these queries and their output:

After a system crash, an instance restart and an attempted opening of the PDBs result in:

Which two are true? (Choose two.)

A.Data file 24 must be recovered while PDB2 is closed.

B.Data file 24 can be recovered while CDB$ROOT and PDB$SEED are opened.

C.Data file 24 cannot be recovered while the CDB is opened.

D.Data file 24 must be recovered while the CDB is opened.

E.Data file 24 can be recovered while PDB2 is opened.

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Question 171

Question 172

Question 173

Question 174

Question 175

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