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Updated: Sep 14, 2026
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Microsoft 070-521-Csharp Exam Overview:
| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | UPG: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 |
| Exam Number: | 70-521-CSharp |
| Available Languages: | English |
| Related Certifications: | MCPD: Windows Developer 4 |
| Certificate Validity Period: | Certification retired (historically no fixed expiration for the credential earned at that time) |
| Exam Format: | Case Study, Multiple Choice, Scenario-based, Multiple Answer |
| Real Exam Qty: | 40-60 |
| Exam Duration: | 120 minutes |
| Passing Score: | 700/1000 |
| Exam Price: | USD 125 |
| Sample Questions: | Microsoft 070-521-Csharp Sample Questions |
| Exam Way: | Microsoft Authorized Testing Center (Prometric at the time) or Microsoft-authorized exam delivery platform, depending on regional availability. |
| Pre Condition: | Intended for candidates holding MCPD: Windows Developer 3.5 or MCPD: Enterprise Application Developer 3.5 who wished to upgrade to MCPD: Windows Developer 4. |
| Official Syllabus URL: | https://learn.microsoft.com/en-us/credentials/ |
Microsoft 070-521-Csharp Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Designing Windows Application Architecture | 25% | - Application architecture design
|
| Topic 2: Data Access and Services | 25% | - Data integration
|
| Topic 3: User Interface and Client Development | 25% | - Windows application development
|
| Topic 4: Application Security, Deployment, and Maintenance | 25% | - Deployment and maintenance
|
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