2. 计算机
  3. Cloud storage is a model of computer of computer data storage in which the digital data is stored in logical pools．The physical

Cloud storage is a model of computer of computer data storage in which the digital data is stored in logical pools．The physical

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问题 Cloud storage is a model of computer of computer data storage in which the digital data is stored in logical pools．The physical storage spans multiple servers(sometimes in multiple locations)，and the physical environment is typically owned an@D@managed by a hosting company．As for the cloud concept，
the cloud storage service is one kind of(    )．
选项 A、IaaS
B、PaaS
C、SaaS
D、DaaS
答案A
解析 云存储是一种计算机数据存储模型，其中数字数据存储在逻辑池中。物理存储跨越多个服务器(有时在多个位置)，物理环境通常由托管公司拥有和管理。关于云概念，云存储服务是一种基础设施即服务(IaaS)。
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