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_（）_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 infrastructure layer is built with virtualized compute，storage，and network resources.The platform layer 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 infrastructure layer serves as the_（）__for building the platform layer of the cloud.In turn,the platform layer is foundation for implementing the_（请作答此空）__layer for SaaS application.

A.resource

B.service

C.application

D.software

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答案解析：

╋纠错

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