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Microsoft 70-521 : Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4

70-521

Exam Code: 70-521

Exam Name: Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4

Updated: Sep 18, 2026

Q & A: 115 Questions and Answers

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Microsoft 70-521 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Windows Communication Foundation (WCF) 4 Updates25%- Simplified configuration and service discovery
- REST and syndication support
- Security and transaction improvements
Topic 2: Windows Forms Enhancements in .NET Framework 420%- New controls and features
- Application configuration and deployment
- Data binding improvements
Topic 3: Windows Presentation Foundation (WPF) 4 Improvements25%- Data binding and layout enhancements
- Graphics and media integration
- New controls and visual state manager
Topic 4: ADO.NET and Data Access in .NET 420%- Connection management and performance
- Data Services and LINQ enhancements
- Entity Framework 4 features
Topic 5: Application Design and Architecture10%- Performance and compatibility considerations
- Migrating 3.5 code to .NET Framework 4

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