A customer is performing a cost justification of advanced software functions for several disksubsystem vendors. Which of the following software features of the Storwize V7000 arechargeable?（）

单项选择题Whenworkingtodevelopthebestdataavailabilitystrategyforacustomer,whichofthefollowingIBMsolutionsaddressacustomerrequirementfor maximumprotectionforasubsetoftransactions ?（）

A. DS8000 Global Mirror 
B. XIV advanced RAID protection 
C. DS8000 Metro/Global Mirror 
D. Easy Tier on DS8000 

单项选择题AcustomeriscurrentlyusingaWindowsfileservertoshareNFSstorage(9TB)totheirapplicationserver,andasmallSANtosupplyblockI Ototheirdatabaseservers(5TB).AstheircurrenthardwareisagingtheyarelookingforanewbestofbreedtechnologytocombinefileandblockI Oonasinglestorageunit.WhichIBMsolutionwouldprovidethatcapabilityatthelowestcost?（）

A. IBM XIV Storage System 
B. IBM System Storage DS8700 
C. IBM System Storage N6070 
D. IBM System Storage N6210