YouissuedtheRMAN>SHOWALL;command.Theoutputofthiscommandisasfollows:Afteranalyzingtheoutput,whichconclusionwillyoudraw?()

<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/d7b5b9cc3263cc3928eb207f3949e9b5.jpg' /> A.Thecurrentcontrolfileisnotautomaticallybackedupeverytimeyouperformabackup. B.Thebackupssavespaceonthestoragemedia. C.Whileperformingbackupsacrossanetwork,thenetworkbandwidthisreduced. D.Thebackupsconsistofbackuppieces.

时间:2024-01-16 11:45:19

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