A.数据链路层 B.网络层 C.传输层 D.应用层
单项选择题某企业拥有多个应用系统,分别采用不同的语言和平台独立构建而成,企业需要集成来自不同系统的数据,并使用可定制格式的数据频繁地、立即地、可靠地、异步地传输数据。以下集成方式,最能满足这种要求的是()。
A.文件共享 B.数据库共享 C.远程方法调用 D.消息机制
单项选择题All system analysis approaches require some form of ()
A.requirement discovery B.business process redesign C.cause-and-effect analysis D.total quality management
单项选择题()is a classical set of techniques used to collect information about system problems
A.Continuous process improvement B.Joint requirements planning C.Fact-finding D.Structured engineering
单项选择题and the code can be obtained from ()
A.existing database and application program B.application program and user interface C.existing database and user interface D.existing database, application program and user interface
单项选择题()reads the program code and automatically generates the equivalent system model
A.eXtreme programming B.model driven C.reverse engineering D.agile method