Free Access Oracle.1Z1-083.v2022-05-30.q253 Practice Test (Page 6)

Question 21

Which three are true about Optimizer Statistics Advisor? (Choose three.)

A.It can be run only manually.

B.It is part of the DBMS_ADVISORpackage.

C.It can recommend changes to improve the statistics gathering process.

D.It always analyzes all schemas in the database.

E.It runs automatically every night by default.

F.It is part of the DBMS_STATSpackage.

Question 22

Examine this configuration:
* CDB1 is an Oracle Database 12c Release 2 database containing pluggable databases PDB$SEED, PDB1, and PDB2.
* PDB$SEED is open READ ONLY
* PDB1 is open READ WRITE
* PDB2 is MOUNTED.
* ORACLE_HOME is /u01/app/oracle/product/18.1.0/dbhome_1.
You execute these commands before upgrading the database to the current release:

For which databases will fixup scripts be created?

A.CDB1, PDB1, and PDB2 only

B.CDB1 and PDB$SEED only

C.CDB1, PDB$SEED, PDB1, and PDB2

D.PDB$SEED, PDB1, and PDB2 only

E.CDB1, PDB$SEED, and PDB1 only

Question 23

Choose three. 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 cannot be used to provision applications.

D.It cannot be used to provision middleware.

E.It is an Oracle Database service.

F.It is an Oracle Grid Infrastructure service.

Question 24

Which two are true about monitoring waits for sessions and services?

A.v$session_wait and v$session both contain details of the event on which a non-waiting session last waited.

B.v$service_event displays wait counts for every wait event whether waited on or not, for each service.

C.v$session_wait_class displays waits broken down by wait class only for waiting sessions.

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 waiting session is currently waiting.

Question 25

Which three are located by using environment variables? (Choose three.)

A.the Optimal Flexible Architecture (OFA) compliant path to store Oracle software and configuration files.

B.default directories for temporary files used by temporary tablespaces

C.the maximum number of database files that can be opened by a database instance

D.the list of a disk group names to be mounted by an Oracle Automatic Storage Management (ASM) instance at startup

E.the location of Oracle Net Services configuration files

F.the temporary disk space used by Oracle Installer during installation

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Question 21

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Question 24

Question 25

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