单项选择题
A.Easy Tier, FlashCopy
B.FlashCopy, External Virtualization
C.Metro/Global Mirror, Thin Provisioning
D.External Virtualization, Metro/Global Mirror
单项选择题 Whenworkingtodevelopthebestdataavailabilitystrategyforacustomer,whichofthefollowingIBMsolutionsaddressacustomerrequirementfor"maximumprotectionforasubsetoftransactions"?（）
单项选择题 AcustomeriscurrentlyusingaWindowsfileservertoshareNFSstorage(9TB)totheirapplicationserver,andasmallSANtosupplyblockI/Ototheirdatabaseservers(5TB).AstheircurrenthardwareisagingtheyarelookingforanewbestofbreedtechnologytocombinefileandblockI/Oonasinglestorageunit.WhichIBMsolutionwouldprovidethatcapabilityatthelowestcost?（）
单项选择题 ThecustomerhasagreedthattheSANproposalisthebestsolutionfortheirbudget.Howevertheyarestillunsureofusingsuchleadingedgetechnology.Whichitembelowwouldhelpthemfeelmorecomfortable?（）