A.The backup piece is expired as the new backup is available.
B.The backup piece is expired because the operating-system file was not found.
C.The backup piece is expired because the retention period for the backup has expired.
D.The backup piece is expired because the backup set to which it belongs is not complete.

A.the XML script
B.the PL/SQL script
C.the DBMS_SCHEDULER package
D.Enterprise Manager to schedule the backup

A.data files
B.control files
C.parameter file
D.online redo log files
E.server parameter file

A.XML script
B.PL/SQL script
C.Operating system script
D.Recovery Manager （RMAN） script

A.The backup performed in step 1 backs up all blocks that have ever been in use in the database. 
B.The backup performed in step 2 copies all the blocks changed since the most recent level 0 backup.
C.The backup performed in step 1 backs up all the blocks changed since the most recent level 1 backup.
D.The backup performed in step 2 backs up all blocks that have changed since the most recent incremental backup at level 1.

A.The backup contains all the used blocks.
B.The backup contains all the used and unused blocks.
C.The backup contains blocks that have changed since the last level 0 backup.
D.The backup contains blocks that have changed since the last level 1 backup taken last week.

A.The backup performed on Sundays contains all the blocks that have ever been used in the database.
B.The backup performed on Sundays contains all the blocks that have changed since the last level 1backup. 
C.The backup performed on each working day contains all the blocks that have changed since the lastlevel 0 backup.
D.The backup performed on Monday contains all the blocks that have changed since the level 0 backup，and every other working day contains all the blocks that have changed since the level 1 backup.

A.You can perform consistent backups only.
B.You can perform a complete database backup without shutting down the database instance.
C.You can back up data files only when all data files have the same SCN recorded in the control file.
D.You can back up only those data files whose headers are frozen by using ALTER TABLESPACE BEGINBACKUP or ALTER DATABASE BEGIN BACKUP commands.

A.The backups would be consistent. 
B.The backups would be inconsistent.
C.The backups would be possible only if the database is running in ARCHIVELOG mode.
D.The backups would be possible only if the database is running in NOARCHIVELOG mode.
E.The backups need to be restored and the database has to be recovered in case of a media failure.

A.The MTTR Advisor is disabled.
B.The database is in NOARCHIVELOG mode.
C.The tablespace is already in backup mode.
D.The Flash Recovery Area is not configured.

A.The backup will consist of used data blocks only.
B.The database must be shut down to accomplish the backup.
C.The backup can be accomplished without shutting down the database.
D.The backup will contain all database files that have never been backed up.