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2014年上半年 上午试卷 综合知识
第 71 题
知识点 net  
章/节 计算机专业英语  
 
 
Cloud computing is a phrase used to describe a variety of computing concepts that involve a large number of computers (71)through a real-time communication network such as the Internet.In science,cloud computing is a (72)for distributed computing over a network,and means the (73)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(74)for building the platform layer of the cloud. In turn,the platform layer is a foundation for implementing the(75)layer for SaaS applications.
 
  A.  connected
 
  B.  imlemented
 
  C.  optimized
 
  D.  Virtualized




 
 
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知识点讲解
· net
 
        net
        在网络管理中,最为常用的就是net命令家族。常用的net命令有以下几个。
        .net view命令:显示由指定的计算机共享的域、计算机或资源的列表。
        .net share:用于管理共享资源,使网络用户可以使用某一服务器上的资源。
        .net use命令:用于将计算机与共享的资源相连接或断开,或者显示关于计算机连接的信息。
        .net start命令:用于启动服务,或显示已启动服务的列表。
        .net stop命令:用于停止正在运行的服务。
        .net user命令:可用来添加或修改计算机上的用户账户,或者显示用户账户的信息。
        .net config命令:显示正在运行的可配置服务,或显示和更改服务器服务或工作站服务的设置。
        .net send命令:用于将消息(可以是中文)发送到网络上的其他用户、计算机或者消息名称上。
        .net localgroup命令:用于添加、显示或修改本地组。
        .net accounts命令:可用来更新用户账户数据库、更改密码及所有账户的登录要求。



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