单项选择题
A.XIV system
B.DS3500
C.DS3400
D.DS5100
单项选择题 WhichofthefollowingisanadvantageoftheIBMSystemStorageSANVolumeControllerovercompetingstoragevirtualizationproducts?（）
单项选择题 Thecustomerislookingforatieredstoragesolutionthatallowsthemtomanagedifferenttypesofdatawithinthesamesystem.Furtherquestioningrevealsthatthereasonthecustomerwantsamulti-tieredenvironmentisbasedoncost.WhichIBMsingletiersolutioncanprovideanenterpriselevelsystematamidrangecost?（）
单项选择题 WhichofthefollowingenvironmentsismostcloselyaddressedbytheNseriesN3600?（）