Free Access Oracle.1z0-062.v2022-06-21.q305 Practice Test (Page 27)

Question 126

You are administering a database stored in Automatic Storage Management (ASM). You use RMAN to back up the database and the MD_BACKUP command to back up the ASM metadata regularly. You lost an ASM disk group DG1 due to hardware failure.
In which three ways can you re-create the lost disk group and restore the data? (Choose three.)

A.Use the MD_RESTORE command to restore metadata for an existing disk group by passing the existing disk group name as an input parameter and use RMAN to restore the data.

B.Use the MKDG command to restore the disk group with the same configuration as the backed-up disk group and data on the disk group.

C.Use the MD_RESTORE command to restore the disk group with the changed disk group specification, failure group specification, name, and other attributes and use RMAN to restore the data.

D.Use the MKDG command to restore the disk group with the same configuration as the backed-up disk group name and same set of disks and failure group configuration, and use RMAN to restore the data.

E.Use the MD_RESTORE command to restore both the metadata and data for the failed disk group.

F.Use the MKDG command to add a new disk group DG1 with the same or different specifications for failure group and other attributes and use RMAN to restore the data.

Question 127

Which four operations performed after the Oracle Restart installation are automatically added to the Oracle Restart configuration? (Choose four.)

A.listener configured by using NETCA

B.database service created by using SRVCTL

C.database created by using a SQL statement

D.database created by using DBCA

E.ASM instance created by using ASMCA

F.database service created by using DBMS_SERVICE.CREATE_SERVICE

G.database service created by modifying the SERVICE_NAMESinitialization parameter

Question 128

The persistent configuration settings for RMAN have default for all parameters.
Identify four RMAN commands that produce a multi-section backup.

A.BACKUP TABLESPACE "UNDO" INCLUDE CURRENT CONTROLFILE SECTION
SIZE 100M;

B.BACKUP TABLESPACE SYSTEM SECTION SIZE 100M;

C.BACKUP SPFILE SECTION SIZE 1M;

D.BACKUP INCREMENTAL LEVEL 0 TABLESPACE SYSAUX SECTION SIZE 100M;

E.BACKUP TABLESPACE "TEMP" SECTION SIZE 10M;

F.BACKUP AS COPY TABLESPACE SYSTEM SECTION SIZE 100M;

G.BACKUP ARCHIVELOG ALL SECTION SIZE 25M;

Question 129

You plan to install the Oracle Database 12c software. You want to use Oracle Automatic Storage Management (ASM) for storage and Oracle Restart for managing components. Oracle Grid Infrastructure for a Standalone Server is already installed on the server.
Which three statements must be true for successful installation of the Oracle Database 12c software?
(Choose three.)

A.The Oracle Database 12c software owner and the Oracle Grid Infrastructure owner must belong to the same Oracle Inventory Group.

B.An operating system OSDBAgroup must be created for users with the SYSDBA system privilege.

C.An operating system OSOPERgroup be created for users with the SYSOPERsystem privilege.

D.The Oracle Database 12c installation must have a separate Oracle inventory directory.

E.The OSBACKUPDBA, OSDGDBA, and OSKMDBAOS groups must be created.

Question 130

Examine the parameters for your database instance:

Which three statements are true about the process of automatic optimization by using cardinality
feedback? (Choose three.)

A.The optimizer automatically changes a plan during subsequent execution of a SQL statement if there is
a huge difference in optimizer estimates and execution statistics.

B.The optimizer can re optimize a query only once using cardinality feedback.

C.The optimizer enables monitoring for cardinality feedback after the first execution of a query.

D.The optimizer does not monitor cardinality feedback if dynamic sampling and multicolumn statistics are
enabled.

E.After the optimizer identifies a query as a re-optimization candidate, statistics collected by the collectors
are submitted to the optimizer.

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