问答题

YouwanttotakethebackupoftheUSERStablespace.Ithasasingledatafileof900MB.Youhavetapedrivesof300MBeach.TheSBTchannelisconfiguredfortheRMAN.Toaccomplishthebackup，youissuedthefollowingRMANcommand：RMAN>BACKUPSECTIONSIZE300MTABLESPACEusers；Whichtwostatementsaretrueregardingtheexecutionoftheabovecommand？（）
A.TheRMANparallelizesthebackupalthoughtheparallelismisnotsetforachannel.
B.Thebackuppiecesizewillbelimitedto300MB.
C.Theoperationisaccomplishedusingthedefaultchannelavailable.
D.Threechannelsforthetapedrivemustbeconfiguredbysettingtheparallelismtothree.

A.Ithasasingledatafileof900MB.Youhavetapedrivesof300MBeach.TheSBTchannelisconfiguredfortheRMAN.Toaccomplishthebackup，youissuedthefollowingRMANcommand：RMAN>BACKUPSECTIONSIZE300MTABLESPACEusers；Whichtwostatementsaretrueregardingtheexecutionoftheabovecommand？（）
A.TheRMANparallelizesthebackupalthoughtheparallelismisnotsetforachannel.
B.Thebackuppiecesizewillbelimitedto300MB.
C.Theoperationisaccomplishedusingthedefaultchannelavailable.
D.Threechannelsforthetapedrivemustbeconfiguredbysettingtheparallelismtothree.

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