Cloud-computing providers offer their“services”according to different models,which happen to form a stack:___________,platform a

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问题 Cloud-computing providers offer their“services”according to different models,which happen to form a stack:___________,platform as a service(PaaS),software as a service(SaaS).

选项 A、hardware as a service(HaaS)
B、network as a service fNaaS)
C、infrastructure as a service(IaaS)
D、data as a service(OaaS)

答案C

解析 云计算供应商提供他们的“服务”,根据不同的类型,恰好形成(  ),平台即服务(PaaS),软件即服务(SaaS)。
A.硬件即服务(HAAS)
B.网络即服务(NAAS)
C.基础设施即服务(IaaS)
D.数据即服务(DaaS)
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