AcustomerhasanEMCSymmetrixDMX3000thatisattheendoflease.TheenvironmentconsistsofIBMSystemp

AcustomerhasanEMCSymmetrixDMX3000thatisattheendoflease.TheenvironmentconsistsofIBMSystemp，IBMSystemi，andIBMSystemz.ThecustomerisevaluatingEMC，HDS，andIBMstorageaspossiblereplacements.Theyareinterestedincomparingtheperformanceofallthreedisksubsystems.Whichtoolcomparesperformance（）

A.CapacityMagic

B.eConfig

C.TPCforDisk

D.DiskMagic