問題詳情

45.雲端技術是目前最新的網路應用及平台技術，電腦科學家最常將雲端技術分成三層，請問下列哪一層不是在這三層中？
(A)SaaS (Software As A Service)
(B)PaaS (Platform As A Service)
(C)IaaS (Infrastructure As A Service)
(D)DaaS (Data As A Service)

參考答案