单项选择题
A.XIV system
B.DS5300
C.DS8700
D.Storwize V7000
单项选择题 Whichofthefollowingstoragesystemsusesboth2.5-inchand3.5-inchSASdiskdrives?（）
单项选择题 WhichofthefollowingisanadvantageoftheIBMSystemStorageSANVolumeControllerovercompetingstoragevirtualizationproducts?（）
单项选择题 Thecustomerislookingforatieredstoragesolutionthatallowsthemtomanagedifferenttypesofdatawithinthesamesystem.Furtherquestioningrevealsthatthereasonthecustomerwantsamulti-tieredenvironmentisbasedoncost.WhichIBMsingletiersolutioncanprovideanenterpriselevelsystematamidrangecost?（）