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Questions and Answers
What is a Web service according to W3C 2003?
What does SOA stand for in the context of Web services?
Which technology is NOT considered as part of the Web service communication overview?
What is the purpose of SOAP in Web services?
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What does a Web service interface have according to W3C 2003?
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What is the purpose of WSDL in Web services?
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Which technology is a component of web services for finding publicly available services?
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What is the main characteristic of SOAP in web services?
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What is the primary goal of web services according to the text?
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Which companies have conducted open experiments with web services according to the text?
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What are the two basic architectures for facilitating communication between applications?
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Which protocol/format is commonly used by web services for platform-independent communication?
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What is the role of WSDL in web services?
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Which component enables companies to find publicly available web services on the internet or corporate intranets?
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What is the expected progression of web services adoption in distinct phases?
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Study Notes
Understanding Web Services
- Web services are available over the web and facilitate communication between applications using a standard protocol/format for platform-independent communication.
- There are two basic architectures: Servlets/CGI and Web Services, with the latter enabling interactions between different applications through the web.
- Companies like Google and Amazon have conducted open experiments with web services to allow partners to develop custom interfaces and applications using their data and services.
- The industry is aligned in a broad initiative for web services, aiming for interoperability across platforms, applications, and languages.
- The life cycle of a web service involves a service registry, provider, requester, and execution stages, with protocols like WSDL and UDDI being components of web services.
- Web services are characterized by their interoperability, ease of use, reusability, and ubiquity, evolving from first-generation to next-generation applications.
- Under the hood, web services utilize XML, SOAP, WSDL, and UDDI, with SOAP being a lightweight XML-based messaging format that can work with any operating system, programming language, and platform.
- WSDL, or Web Services Description Language, allows web services to describe what they are, where they can be found, and how they should be used.
- UDDI, or Universal Description, Discovery, and Integration, enables companies to find publicly available web services on the internet or corporate intranets.
- Web services offer a wide range of possibilities, including providing financial, sports, weather, news, and delivery status information, among others, making them relevant to various clients.
- Several vendors and users/consumers, such as Microsoft, IBM, Sun, Oracle, and Amazon, are actively involved in web services, and the technology is relevant to all individuals and organizations.
- The adoption of web services is expected to progress through distinct phases, with an increasing focus on app integration, developer productivity, business-partner connectivity, and new business models over time.
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Description
Test your knowledge of web services with this quiz. Explore the fundamental concepts, architectures, protocols, and applications of web services, and understand their relevance in today's technology landscape.
