青草精品视频在线,国产白丝捆绑调教av网站,欧美一级毛片免费观看,国产999精品久久久久,a国产精品,亚洲精品午夜久久久久久久久久久,av视屏在线播放

軟題庫 培訓(xùn)課程
試卷年份2017年上半年
試題題型【單選題】
試題內(nèi)容

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

查看答案

相關(guān)試題