AbankingcustomerplanstoimplementaBladeCenterHchassis.TheyplanforsevenHS22blades，sixHX5bladeswithMAX5，one1UexternalFibreChannelswitch，andtwo3UFibreChannelstoragedeviceswithfourteen146GBdrives.Whichistheminimumamountofrackspacerequiredtoimplementthesolutionofthefollowing？（）A.32UB.21UC.25UD.22U
AbankingcustomerplanstoimplementaBladeCenterHchassis.TheyplanforsevenHS22blades，sixHX5bladeswithMAX5，one1UexternalFibreChannelswitch，andtwo3UFibreChannelstoragedeviceswithfourteen146GBdrives.Whichistheminimumamountofrackspacerequiredtoimplementthesolutionofthefollowing？（）
A.32U
B.21U
C.25U
D.22U