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2018年下半年系统集成项目管理工程师上午真题试题第71题
71、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 (somentimes in multiple locations), and the physical environment is typically owned and managed by a hosting company. As for the cloud concepet, the cloud storage service is one kind of ().
A、IaaS
B、PaaS
C、SaaS
D、DaaS
信管网参考答案：A
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