单项选择题

A.AB.BC.CD.DE.EWhich of the following commands will per……

Which of the following commands will perform an active database duplication of the ORCL database to the ORCL2 database？（）

A.A
B.B
C.C
D.D
E.E

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单项选择题Whenyoureperformingactivedatabaseduplication，abackupofwhatkindisrequired？（）

A. A current RMAN backup-set backup is required.
B. No backup is required.
C. An RMAN image backup is required.
D. A manual backup is required.
E. A "duplicate" preparatory backup is required.

单项选择题Whichcommandisusedtobeginatablespacepoint-in-timerecovery？（）

A. Restore tablespace
B. Recover tablespace
C. Tablespace recover
D. Recover to time
E. recover datafile

单项选择题tablespacepoint-in-timerecoveryispossibleonlywithRMAN.（）

A. True
B. False

单项选择题Ifabackupisexpired，whichofthefollowingistrue？（）

A. It can never be used for a restore/recover operation.
B. Oracle will remove the backup set pieces from the flash recovery area.
C. The backup has been used at least once to restore and recover the database.
D. The backup is no longer valid because of a resetlogs operation.
E. The physical backup set pieces are missing from the media.

多项选择题Whatinformationdoesthereportschemacommandnotprovide？（）

A. Size of the datafiles
B. Size of the tempfiles
C. Date of last backup for datafiles and tempfiles
D. Filenames for each datafile
E. Checkpoint SCN associated with the last RMAN backup