Web服务（Web Service）定义了一种松散的、粗粒度的分布式计算模式。Web服务的提供者利用①描述Web服务，Web服务的使用者通过②来发现服务，两者之间的通信采用③协议。以上①②③处依次应是（ ）。
- A.①SOAP ② UDDI ③WSDL
- B.①UML ② UDDI ③SMTP
- C.①WSDL ② UDDI ③SOAP
- D.①UML ② UDDI ③WSDL
正确答案及解析
正确答案
解析
本题考察的是Web服务的协议，是这个也必须掌握，Web Service的知识都必须掌握。
Web服务（Web Service）定义了一种松散的、粗粒度的分布计算模式，使用标准的HTTP（S）协议传送XML表示及封装的内容。Web服务的典型技术包括：用户传递信息的简单对象访问协议（SOAP）、用于描述服务的Web服务描述语言（WSDL）、用于Web服务的注册的统一描述、发现及集成（UDDI）、用于数据交换的XML。
根据Web服务的上述概念，正确选项应选择C
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