问题
单项选择题
An (71) service bus (ESB) acts as a shared messaging layer for connecting applications and other services throughout an enterprise computing infrastructure. It supplements its core (72) messaging backbone with intelligent tansformation and routing to ensure that messages are passed (73) . Services participate in the ESB using either Web Services messaging standards (74) the Java Message Service. ESBs are increasingly seen by users and analysts as core components in (75) IT.
（75）处填（）。
A．object-oriented
B．service-oriented
C．particular
D．any
答案
参考答案：B
解析：
[参考译文] 企业服务总线(ESB)在整个企业的计算基础设施中起到了连接应用程序与其他服务的共享消息层的作用。它利用了智能的转换和路由辅助核心的异步消息传输，以确保信息可靠传送。服务是利用Web Services消息标准或者Java Message Service参与到ESB中。越来越多的用户和分析师把ESB看成面向服务的IT基础架构中的核心部件。