CloudcomputingisatypeofInt（2017年上半年信息系统项目管理师上午综合知识真题解析）
Cloud computing is a type of Internet-based computing that provides shared computer processing resources and data to computers and other devices on demand. Advocates claim that cloud computing allows companies to avoid up-front infrastructure costs. Cloud computing now has few service form, but it is not including （）.
A、IaaS
B、PaaS
C、SaaS
D、DaaS
参考答案： D
参考解析：正在整理中,欢迎在文下评论区提供答案解析,谢谢！