13. 租用網路郵件服務如GMAIL、YAHOO、OFFICE365...等屬於下列何種雲端服務應用？
(A) Platform as a Service, PaaS
(B) Infrastructure as a Service, IaaS
(C) Container as a Service, CaaS
(D) Software as a Service, SaaS

答案：登入後查看
統計： A(0), B(0), C(0), D(8), E(0) #3824053