单项选择题
A.when a volume is created using thatMDisk
B.when theMDisk is first imported into the cluster
C.when the LUN is first presented to theStorwize V7000
D.when theMDisk is assigned to a storage pool
单项选择题 WhatisanadvantageofIBMSANVolumeController（SVC）virtualizationoveranHPEnterpriseVirtualArrayvirtualization？（）
单项选择题 Acustomerhastwolocationslocated7kilometersapart.TheproductionsitehasaCisco9509chassiswith48FibreChannelportsactivated，andthedisasterrecoverysitehasaCisco9509chassiswith48Ethernetportsactivated.Whichofthefollowingproductswillbeusedtogetthedatafromonelocationtotheother？（）
单项选择题 AcustomerhasjustaddedadditionalworkloadtotheirIBMSystemStorageDS5300.Theydonotfeeltheyareachievingtheperformancetheyexpected.WhichofthefollowingwillprovidethecustomerwiththemostcompletehistoricalviewoftheircurrentDS5300systemperformance？（）