Identify three scenarios in which RMAN will use backup sets to perform
Active database duplication.
A.when the duplicate ... from active database command contains the section size正确答案ACD
Clause B.when you perform active database duplication on a database with flashback
Disabled C.when you specify set encryption before the duplicate ... from active database
Command D.when the number of auxiliary channels allocated is equal to or greater than
The number of target channels E.when you perform active database duplication on a database that has
Readonly tablespaces
