WhichofthefollowingistheMOSTimportantconsiderationwhenpurchasinganewserverfora missioncriticalapplication?()

WhichofthefollowingistheMOSTimportantconsiderationwhenpurchasinganewserverfora missioncriticalapplication？（）

A、RAID0compliant

B、Notifyingallstakeholdersoftheserverupgrade