>>>点击了解数据库系统工程师面授班

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      临近2017上半年数据库系统工程师考试的时间，希赛小编为大家整理了2014年数据库系统工程师上午真题加答案，希望对大家有所帮助。

      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 netwrok,and means the（）to run a program or app lication on many connected computers at the same time.

      The architecture of a cloud is developed at three layers:infrastucture,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 infoastructure layer serves as the（）for building the plarform layer of the cloud.In turn,the platform layer is a foundation for implementing the（A）layer for SaaS applicationgs.

      A.connected

      B.imlemented

      C.optimized

      D.Virtualized

      A.replacement

      B.switch

      C.substitute

      D.synonym

      A.ability

      B.applroach

      C.function

      D.method

      A.network

      B.foundation

      C.software

      D.hardware

      A.resource

      B.service

      C.application

      D.software

      答案：ADADC

      返回目录：2014年数据库系统工程师上午真题汇总

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