WhatarefeaturesandbenefitsofRemoteSupportManager？（）1.Builtinfirewall2.RunsonLinuxandWindowsservers3.Collectsupportdata4.Allowremotemaintenance5.Cansupportupto50DS5000/DS4000/DS3000storageservers6.MinimumannualfeeA.1，2and5B.1，5and6C.2，3and6D.1，4and5

WhatarefeaturesandbenefitsofRemoteSupportManager？（）1.Builtinfirewall2.RunsonLinuxandWindowsservers3.Collectsupportdata4.Allowremotemaintenance5.Cansupportupto50DS5000/DS4000/DS3000storageservers6.Minimumannualfee

A.1，2and5

B.1，5and6