Acustomer’snewrackcontains12xp655servers.ThecustomercurrentlyhasanHMCwithone128-portasyncadapterwitharackmounted16-portRAN.TheHMCisalreadyattachedtotwopSeriesp630s.Whatupgrades，ifany，areneededtotheHMCtosupportthenewp655servers？（）
A.Noupgradesareneeded.
B.Addanother16-portRAN.
C.Addan8-portasyncadapter.
D.Addanadditional128-portadapter.
参考答案：C
