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An MCSD for Microsoft .NET is a lead developer who designs and develops leading-edge enterprise solutions with Microsoft development tools, technologies, platforms, and the Microsoft .NET Framework. An MCAD for Microsoft .NET uses Microsoft technologies to develop and maintain department-level applications, components, Web or desktop clients, or back-end data services, or works in a team that develops enterprise applications. The scope of responsibility for an MCSD encompasses and goes beyond that of an MCAD.
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The core exams for both the MCSD for Microsoft .NET and MCAD for Microsoft .NET certifications are based on using Microsoft Visual Studio .NET as the development environment. Because the Microsoft .NET Framework is an integral part of Visual Studio .NET, the core exams cover the framework as it relates to the specific exam objectives.
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The MCSD certification will not retire. It will continue to hold its value in the marketplace as long as there is a need for IT professionals with these skills.