单项选择题 A storage specialist is explaining to the customer that relational databases need an additional point-in-time copy process to assure data in memory buffers are flushed to disk prior to the hardware based snapshot command being executed.  Which IBM software solution provides usable and consistent point-in-time data copies（）

单项选择题 Whichinformationisrequiredtogetthefeatureactivationcodes（）

单项选择题 OnIBMSystemStoageDS8000whichofthefollowinginformationpairsaremandatorytocreateavolume（）