Which four are true about duplicating a database using Recovery
Manager (RMAN)? (Choose four.)
A.Duplication can be done by having the auxiliary database instance pull backup正确答案ABCG
Sets from the target database instance. B.A connection to an auxiliary instance is always required. C.A subset of the target database can be duplicated. D.A new DBID is always created for the duplicated database. E.A connection to the recovery catalog instance is always required. F.A backup of the target database is always required. G.Duplication can be done by having the target database instance push copies
To the auxiliary database instance. H.A connection to the target database instance is always required.
