单项选择题
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
单项选择题 Whichdocumentprovidesguidelinestosupportplanningandprovidespre-installationstepsfortheIBMSystemStorageDS8000?（）
单项选择题 WhichIBMSystemStorageDS8000copyfunctionprovidesathree-siteorthree-copysolutionusingbothsynchronousandasynchronousreplication?（）
单项选择题 AcustomerissharinganIBMSystemStorageDS8300forbothIBMSystemzandSystemapplications.Theyneedtoprovidedatarecoverycapabilitybetweentheprimaryandtheremotedatacenter,whichis60kilometersaway.Whichcopyservicekeepsalldatasynchronizedattheremotedatacenter?（）