試題詳解

34. 收發電子郵件為下列哪一種雲端服務模式？
(A)軟體即服務(Software as a Service, SaaS)
(B)平台即 服務(Platform as a Service, PaaS)
(C)應用即服務(Application as a Service, AaaS)
(D)基礎架構即服務 (Infrastructure as a Service, IaaS)。