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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: Oct 17, 2026

Q & A: 115 Questions and Answers

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Microsoft 70-521 Exam Syllabus Topics:

SectionObjectives
Application Deployment and Configuration- Deployment strategies
  • 1. ClickOnce deployment
    • 2. MSI-based deployment concepts
      - Application configuration
      • 1. Versioning and updates
        • 2. .config files and settings management
          Security and Application Architecture- Application design principles
          • 1. Separation of concerns
            • 2. Layered architecture
              - Application security
              • 1. Code access security fundamentals
                • 2. Authentication and authorization concepts
                  Windows Client Application Development- Windows Presentation Foundation (WPF)
                  • 1. XAML fundamentals and layout system
                    • 2. Resources, styles, and templates
                      • 3. Data binding and MVVM patterns
                        - Windows Forms development in .NET Framework 4
                        • 1. Custom controls and components
                          • 2. Data binding in Windows Forms
                            • 3. UI controls and events
                              Data Access and Integration- ADO.NET and data connectivity
                              • 1. Connected and disconnected data models
                                • 2. DataSets and DataReaders
                                  - Language Integrated Query (LINQ)
                                  • 1. LINQ to DataSet and LINQ to SQL concepts
                                    • 2. LINQ to Objects

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