Which three tasks can be performed using a duplicate database? (Choose three.)
A.
Testing the backup and recovery procedures
B.
Testing the upgrade of an Oracle database to a new release
C.
Testing the effect of an application changes on database performance
D.
Continuously updating archive log files from the target database to support failover
E.
Registering the new database with the same database identifier (DBID) as the target database in the
recovery catalog that is used for the target database.