Free Access Oracle.1Z1-083.v2022-11-09.q168 Practice Test (Page 34)

Question 161

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

A.It can be run only manually.

B.It is part of the DBMS_ADVISOR package.

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_STATS package.

Question 162

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

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

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

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

D.the location of Oracle Net Services configuration files

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

F.default directories for temporary files used by temporary tablespaces

Question 163

A database is configured in ARCHIVELOG mode.
Full RMAN backups are taken and no backup to trace has been taken of the control file. A media failure has occurred.
In which two scenarios is complete recovery possible? (Choose two.)

A.after losing an archived log from before the most recent backup

B.after losing all copies of the control file

C.after losing an archived log from after the most recent backup

D.after losing the SYSTEM tablespace

E.when any archived log from, before, or after the most recent backup is corrupt.

Question 164

Which two are true about backup set compression using RMAN default compression? (Choose two.)

A.Compressed backups can be written only to media.

B.Binary compression adds CPU overhead to backup operations.

C.Compressed backups cannot have a section size defined.

D.Unused blocks below the high water mark are backed up.

E.Compression can be done only for locally managed tablespaces.

Question 165

Which three are true about requirements for various flashback operations?

A.flashback version query requires undo to retrieve all versions of a row that existed between two points in time.

B.flashback data archive requires undo to store all versions of all rows of a table being tracked.

C.flashback drop requires that the recyclebin parameter be set to on.

D.flashback drop requires undo to retrieve all versions of a row that existed between two points in time.

E.flashback transaction query requires undo to retrieve all versions of a row that existed between two points in time.

F.flashback version query requires that the recyclebin parameter be set to on.

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Question 161

Question 162

Question 163

Question 164

Question 165

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