多选题You are managing an Oracle Database 11g instance.You want to create a duplicate database for testing purpose. What are the prerequisites for performing the active database duplication?（）AThe source database backup must be copied over the net for test database.BThe source database must be run in ARCHIVELOG mode if the database is open.CThe source database must be shut down cleanly if the database is in mounted state.DA net service name should be set up and a listener configured with the target as well as the source database.
多选题
You are managing an Oracle Database 11g instance.You want to create a duplicate database for testing purpose. What are the prerequisites for performing the active database duplication?（）
A
The source database backup must be copied over the net for test database.
B
The source database must be run in ARCHIVELOG mode if the database is open.
C
The source database must be shut down cleanly if the database is in mounted state.
D
A net service name should be set up and a listener configured with the target as well as the source database.
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