試題詳解

78. NIST 定義之雲端運算包含下列哪幾種服務模式？
(A)一切即服務(Everything as a Service, XaaS)
(B)平台即服務(Platform as a Service, PaaS)
(C)軟體即服務(Software as a Service, SaaS)
(D)網際網 路即服務(Internet as a Service, IaaS)。