答案及解析：[单选题]Cloud computing is a phrase used to describe a variety of computing concepts that involve a large nu - 软件水平题库- 答案窝(daanwo.com)-大学生作业答案及考资分享平台

问题：

[单选题] Cloud computing is a phrase used to describe a variety of computing concepts that involve a large number of computers ( ) through a real-time communication network such as the Internet. In science, cloud computing is a ( ) for distributed computing over a network, and means the ( 此空作答 ) to run a program or application on many connected computers at the same time. The architecture of a cloud is developed at three layers: infrastructure, platform, and application. The infrastucture layer is built with virtualized computestorageand network resources. The platform lay-er is for general-purpose and repeated usage of the collection of software resources. The application layer is formed with a collection of all needed software modules for SaaS applications. The infrastucture layer serves as the ( ) for building the platform layer of the cloud. In turn, the platform layer is founda-tion for implementing the ( ) layer for SaaS application.
A.ability
B.approach
C.function
D.method

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答案解析：

╋纠错

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