Free Access Oracle.1Z0-083.v2026-05-24.q248 Practice Test (Page 4)

Question 11

Which two are true about duplicating pluggable databases (PDBs) with RMAN? (Choose two.)

A.Two or more PDBs can be duplicated with the same RMAN DUPLICATE command.

B.All tablespaces belonging to a PDB must be duplicated when duplicating the PDB.

C.The auxiliary instance is automatically created with ENABLE_PLUGGABLE_DATABASE = TRUE.

D.A user with SYSDBA or SYSBACKUP must be logged in with RMAN to the PDB to duplicate it.

E.CDB$ROOT and PDB$SEED are automatically duplicated.

Question 12

Which two are true about flashback features in Oracle Database 19c and later releases? (Choose two.)

A.Flashback logs are automatically purged when DB_FLASHBACK_RETENTION_TARGETis set lower than the time they have already been retained.

B.Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGETonly after there is space pressure.

C.Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGETbefore there is space pressure.

D.Flashback logs are monitored for being older than the retention period defined in DB_FLASHBACK_RETENTION_TARGET and can be deleted by an administrator written event trigger.

E.Flashback logs are automatically purged whenever the value of DB_FLASHBACK_RETENTION_TARGETis changed.

Question 13

Which three are true about requirements for various FLASHBACKoperations? (Choose three.)

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

B.FLASHBACKdrop requires that the RECYCLEBIN parameter be set to ON.

C.FLASHBACKversion query requires that the RECYCLEBINparameter be set to ON.

D.FLASHBACK DATA ARCHIVErequires undo to store all versions of all rows of a table being tracked.

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

F.FLASHBACKversion query requires undo to retrieve all versions of a row that existed between two points in time.

Question 14

choose one You enable Flashback Data Archive for a table for which you want to track and save all transactions for four years. After some time, the requirement changes for keeping transactions from four to two years. You execute the following command to change the requirement: SQL> ALTER FLASHBACK ARCHIVE fdal MODIFY RETENTION 2 YEAR; What is the outcome?

A.All historical data older than two years, if any, is archived to flashback logs and the flashback archive is set to new retention time.

B.All historical data older than two years, if any, is purged from the flashback archive FDA1.

C.All the flashback data archives are purged and the subsequently created flashback archives are maintained for two years

D.An error is returned because the retention period cannot be reduced.

Question 15

A redaction policy was added to the SALcolumn of the SCOTT.EMPtable:

All users have their default set of system privileges.
For which three situations will data not be redacted? (Choose three.)

A.SYS sessions, regardless of the roles that are set in the session

B.SCOTT sessions, because he is the owner of the table

C.SCOTT sessions, only if the MGR role is set in the session

D.SYSTEM sessions, regardless of the roles that are set in the session

E.SYSTEM session, only if the MGR role is set in the session

F.SCOTT sessions, only if the MGR role is granted to SCOTT

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Question 11

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