159. 下列何者不是雲端技術的服務層次?
(A)PaaS(Platform as a Service)
(B)IaaS(Infrastructure as a Service)
(C)SaaS(Software as a Service)
(D)CaaS(Computing as a Service) 。

答案：登入後查看
統計： A(0), B(0), C(0), D(2), E(0) #3711324