其他 2021_07_23 每日一练
YouaremanagingtheAPPPRODdatabaseasaDBAwhichisnotusingtheOracle-managedfiles.YouplantoduplicatethisdatabaseinthesamesystemwiththenameDUPDB.Youwanttocreatethesamedirectorystructureforduplicatedatabasefilesasofthetargetdatabase.YouexecutedthefollowingRMANcommands:RMAN>CONNECTTARGETsys/sys@APPPRODRMAN>CONNECTAUXILIARYsys/sys@DUPDBRMAN>DUPLICATETARGETDATABASETOdupdbFROMACTIVEDATABASEPASSWORDFILESPILENOFILENAMECHECK;Whataretheimplicationsofthiscommand?()
A.ItcreatesdatabasefilesfortheduplicatedatabaseundertheOraclebasewithadifferentdirectoryfortheduplicatedatabase.
B.Itoverwritesdatafilesofthetargetdatabasebecauseadifferentlocationfordatafilesisnotmentionedfortheduplicatedatabase.
C.ItcreatesdatabasefilesfortheduplicatedatabaseunderthesameOraclehomeasthatofthetargetdatabasewiththesamedirectorystructure.
D.ItcreatesdatabasefilesfortheduplicatedatabaseunderthesameOraclehomeasthatofthetargetbutwithadifferentdirectoryfortheduplicatedatabase.
A. VPN concentrator
B. Content filter
C. Load balancer
D. Proxy server