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Introduction
The goal of this course is to provide students with the knowledge and skills that are required to develop Extensible Markup Language (XML) Web services-based solutions to solve common problems in the distributed application domain. The course focuses on using Microsoft Visual Studio® .NET and Microsoft ASP.NET to enable students to build, deploy, locate, and consume Web services.
Audience
This course is intended for experienced software developers who have previously built component-based applications.
At Course Completion
After completing this course, students will be able to:
- Explain how Web services solve problems encountered with traditional approaches to designing distributed applications.
- Describe the architecture of a Web services-based solution.
- Describe the underlying technologies of Web services and explain how to use the Microsoft .NET Framework to implement them.
- Implement a Web service consumer by using Visual Studio .NET.
- Implement a simple Web service by using Visual Studio .NET.
- Publish and deploy a Web service.
- Secure a Web service.
- Implement caching in a Web service.
- Evaluate the trade-offs and issues that are involved in designing a real-world Web service.
- Implement nonstandard Web services such as Hypertext Markup Language (HTML) screen scraping and aggregating Web services.
Prerequisites
Before attending this course, students must have:
- Familiarity with C# or Microsoft Visual Basic® .NET.
- Programming in C++, Java, or Microsoft Visual Basic.
- An understanding of how to read and write XML documents.
- Experimented with simple C# applications.
- Developed distributed applications by using Visual Basic, Java, or C++.
Course Outline
- The Need for XML Web Services
- Describing the evolution of distributed applications.
- Identifying the problems with traditional distributed application architectures and technologies.
- Describing XML Web services and briefly explaining how they address the design problems in traditional distributed applications.
- Listing the alternate options for distributed application development.
- Identifying the kinds of scenarios where XML Web services are an appropriate solution.
- XML Web Service Architectures
- Identifying how XML Web service architectures are a type of service-oriented architecture.
- Describing the elements of an XML Web service architecture and explaining their roles.
- Describing the XML Web service programming model.
- The Underlying Technologies of XML Web Services
- Describing the structures of a Hypertext Transfer Protocol (HTTP) request and response.
- Issuing HTTP POST and GET requests and processing the responses by using the .NET Framework.
- Describing data types by using the XML Schema Definition language (XSD).
- Explaining how to control the way a .NET Framework object is serialized to XML.
- Describing the structures of a Simple Object Access Protocol (SOAP) request and response.
- Issuing a SOAP request and processing the response by using the .NET Framework.
- Consuming XML Web Services
- Explaining the structure of a Web Service Description Language (WSDL) document.
- Explaining the XML Web services discovery process.
- Locating service contracts by using Disco.exe.
- Generating XML Web service proxies by using Wsdl.exe.
- Implementing an XML Web service consumer by using Visual Studio .NET.
- Invoking an XML Web service synchronously and asynchronously by using an XML Web service proxy.
- Implementing a Simple XML Web Service
- Creating an XML Web service project.
- Implementing XML Web service methods, exposing them, and controlling their behavior.
- Managing state in an ASP.NET-based XML Web service.
- Debugging XML Web services.
- Publishing and Deploying XML Web Services
- Explaining the role of UDDI in XML Web services.
- Publishing an XML Web service in a UDDI registry by using the UDDI SDK.
- Searching a UDDI registry to locate XML Web services by using the UDDI SDK.
- Explaining the various options for publishing an XML Web service on an intranet.
- Explaining some of the options for modifying the default configuration of an XML Web service.
- Securing XML Web Services
- Identifying the differences between authentication and authorization.
- Explaining how to use the security mechanisms that Microsoft Internet Information
- Services (IIS) and Windows provide for authentication.
- Using SOAP headers for authentication in an XML Web service.
- Using role-based security and code access security for authorization in an XML Web service.
- Encrypting the communication between an XML Web service consumer and an XML Web service.
- Designing XML Web Services
- Identifying the restrictions that are imposed on data types by the various XML Web services protocols.
- Explaining how the use of Application and Session state can affect the performance and scaling of XML Web services.
- Explaining how to use output and data caching to improve XML Web service performance.
- Implementing caching in an XML Web service.
- Explaining how asynchronous XML Web service methods can improve performance.
- Explaining the need for instrumenting XML Web services.
- Identifying the components of an XML Web service that can be versioned.
- Explaining how to implement a virtual XML Web service by using screen scraping.
- Implementing an XML Web service that uses multiple XML Web services.
- Identifying the trade-offs in the techniques that are used for exposing aggregated XML Web services.
- Global XML Web Services Architecture
- Describe limitations inherent to the specifications with which todays XML Web services are built.
- Describe the design principles and specifications of Global XML Web services Architecture (GXA).
- Describe XML Web service application scenarios made possible by Web Services
- Routing Protocol (WS-Routing) and Web Services Referral Protocol (WS-Referral).
- Explain how to use Web Services Security Language (WS-Security) and Web Services License Language (WS-License) to perform authentication and authorization for XML Web services.
- Design XML Web services that anticipate and can leverage the features that GXA will offer when released.
Microsoft Certified Professional Exams
- Exam 70-310: Developing XML Web Services and Server Components with Microsoft Visual Basic .NET and the Microsoft .NET Framework
- Exam 70-320: Developing XML Web Services and Server Components with Microsoft Visual C# .NET and the Microsoft .NET Framework
Course Materials
The student kit includes a comprehensive workbook and other necessary materials for this class.
Related courses:
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