You want to create an RMAN recovery catalog in the RC01 database to help you manage the databases named DB01 and DB02. You need to create a recovery catalog owner in which of your databases？（）

Thedatabaseisconfiguredforautomaticarchivelogging.Alongwiththeotherrequiredparameters，thisentryisintheinitializationfile：log_archive_dest2= SERVICE=standby_db1MANDATORYREOPEN=600 Fromwheredoesthedatabaseresolvestandby_db1？（）

A.control file
B.tnsnames.ora
C.data dictionary
D.initialization parameter file

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RMANautomaticallypropagateinformationaboutthedatabasestructure，archivedredologs，backupsets，anddatafilecopiesintotherecoverycatalogfromthetargetdatabase’scontrolfile.Thisinformationcanalsobepropagatedtothecatalogmanuallybyusingthe（）command.

A.LIST
B.SWITCH
C.VALIDATE
D.CONFIGURE
E.RESYNC CATALOG
F.UPGRADE CATALOG

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