Free Access Oracle.1Z0-083.v2024-08-30.q181 Practice Test (Page 29)

Question 136

Which three are true about monitoring waits for sessions and services? (Choose three.)

A.V$SESSION_WAIT and V$SESSION both contain details of the event on which a session is currently waiting.

B.V$SESSION_EVENT displays all waits for all past sessions if the wait has occurred at least once for a session.

C.V$SERVICE_EVENT displays all waits for all services if the wait has occurred at least once for a service.

D.V$SESSION_EVENT displays all waits for all past and existing sessions if the wait has occurred at least once for a session.

E.V$SESSION_WAIT and V$SESSION both contain details of the event on which a non-waiting session last waited.

F.V$SESSION_WAIT_CLASS displays waits broken down by wait class only for waiting sessions.

Question 137

Which two are true about changing the LOCAL_UNDO_ENABLED property to false in a CDB? (Choose two.)

A.After the change, only a common user with the required privilege can create an undo tablespace in CDB&ROOT.

B.Any new PDB and existing PDBs are automatically configured to use the default undo tablespace in CDB$ROOT.

C.After the change, only one undo tablespace can exist in CDB$ROOT.

D.After the change, any user with the required privilege can create an undo tablespace in the PDBs.

E.Undo tablespaces existing in PDBs must be dropped before the change.

F.After the change, each existing PDB has to be reopened for the new undo mode to take effect.

Question 138

Which two are true about an RPM-based Oracle Database installation? (Choose two.)

A.It uses a service configuration script to create a single-instance database as part of the installation.

B.It performs a software-only Oracle Database installation.

C.From Oracle Database 18c, a single RPM can be used to install only Oracle Database Server for a single instance.

D.It includes the Oracle Preinstallation RPM.

E.It requires an Unbreakable Linux Network (ULN) subscription.

Question 139

Which two are true about various Oracle security and auditing capabilities?

A.Fine-grained auditing (FGA) policies in an application root are automatically synchronized to all application PDBs contained in the application container.

B.Application-common Transparent Security Data Protection (TSDP) policies can be created only within an application install/patch begin-end block.

C.Application-common TSDP policies are always container specific.

D.Application-common OLS policies can be created in an application root inside an install/patch BEGIN-END block.

E.Unified auditing can be automatically synchronized to all application PDBs in an application container.

Question 140

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.Any PDB notspecified in the plan will be able to use a maximum of 16.5% of the available system resources.

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

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

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