Online Access Free Oracle.1Z0-083.v2024-11-04.q291 Practice Test (Page 57)

1Z0-083 Exam Question 276

Which two statements are true about indexes and their administration in an Oracle database?

A.A descending index is a type of bitmapped index.

B.A non-unique index can be converted to a unique index using a Data Definition Language (DDL) command.

C.An index can be scanned to satisfy a query without the indexed table being accessed.

D.An invisible index is maintained when a Data Manipulation Language (DML) command is per- formed on its underlying table.

E.An index is always created by scanning the key columns from the underlying table.

1Z0-083 Exam Question 277

Which three are true about block media recovery? (Choose three.)

A.The data file containing the block being recovered remains online.

B.To use it, Flashback Database must be enabled.

C.A block being recovered is not accessible.

D.It can be performed on noncorrupt blocks.

E.The target database for which one or more blocks are to be recovered must be in the OPEN state.

F.It cannot repair logical corruption.

1Z0-083 Exam Question 278

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.

1Z0-083 Exam Question 279

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 is an Oracle Database service.

D.It cannot be used to provision applications.

E.It cannot be used to provision middleware.

F.It is an Oracle Grid Infrastructure service.

1Z0-083 Exam Question 280

Which three are true about Database Point-in-Time Recovery? (Choose three.)

A.The Database must be in ARCHIVELOG mode.

B.The database must have FLASHBACK DATABASE ON to perform Database Point-in-Time Recovery.

C.The target point for the recovery must be specified as a stime or System Change Number (SCN).

D.The database must be open RESETLOGS after Database Point-in-Time Recovery.

E.The database must be in MOUNT state when performing Database Point-in-Time Recovery.

F.Database Point-in-Time Recovery is performed by the Managed Recovery Process (MRP)

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