100% Microsoft 070-521 Guaranteed Success With Testing Engine

Exam Code: 070-521

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

Updated: Oct 24, 2026

Number: 115 Q&As with Testing Engine

070-521 Free Demo download

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Microsoft 070-521 Exam Overview:

Certification Vendor:	Microsoft
Exam Name:	Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5 Skills to MCPD Windows Developer 4
Exam Number:	70-521
Available Languages:	English
Passing Score:	700 (on 1000 scale)
Related Certifications:	MCPD Enterprise Application Developer 3.5 MCPD Windows Developer 3.5 MCPD Windows Developer 4
Exam Format:	Multiple choice, Case studies, Scenario-based questions
Exam Price:	USD 165 (varies by region)
Real Exam Qty:	40-60
Certificate Validity Period:	Retired (no longer active certification exam)
Exam Duration:	120-150
Sample Questions:	Microsoft 070-521 Sample Questions
Exam Way:	Computer-based exam at authorized testing centers (Prometric/Vue historically)
Pre Condition:	MCPD Windows Developer 3.5 or MCPD Enterprise Application Developer 3.5 certification recommended/required (historical Microsoft certification path)

Microsoft 070-521 Exam Syllabus Topics:

Section	Objectives
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
Windows Client Application Development	- Windows Forms development in .NET Framework 4 1. UI controls and events 2. Data binding in Windows Forms 3. Custom controls and components - Windows Presentation Foundation (WPF) 1. XAML fundamentals and layout system 2. Data binding and MVVM patterns 3. Resources, styles, and templates
Security and Application Architecture	- Application security 1. Authentication and authorization concepts 2. Code access security fundamentals - Application design principles 1. Layered architecture 2. Separation of concerns
Application Deployment and Configuration	- Deployment strategies 1. ClickOnce deployment 2. MSI-based deployment concepts - Application configuration 1. .config files and settings management 2. Versioning and updates

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