单项选择题WhichtaskcanbeperformedusinganIBMSystemStorageDS8000SimulatedModeStorageManagerbutNOTbytheReal-TimeStorageManager?()
A.Applying license keys to the hardware subsystem
B.Connecting a secondary storage unit to the storage complex
C.Importing and exporting storage subsystem configurations
D.Defining userids and passwords for use in the real subsystem