Mark the difficult points, exchange them with friends, and repeat until confidence replaces doubt: that is how TestPassKing Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 customers turn 70-521 practice questions into a passing score.
Microsoft 70-521 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 |
| Exam Format: | Multiple response, Case studies, Multiple choice, Drag and drop |
| Passing Score: | 700 (on scale 1000) |
| Related Certifications: | MCTS: .NET Framework 4, Service Communication Applications MCTS: .NET Framework 4, Data Access MCTS: .NET Framework 4, Windows Applications |
| Available Languages: | English, German, Spanish, French, Japanese |
| Certificate Validity Period: | Retired, no longer valid for new certification |
| Real Exam Qty: | 50-70 |
| Exam Duration: | 120 minutes |
| Exam Price: | $150–$165 USD |
| Recommended Training: | Microsoft Official .NET Framework 4 Training |
| Exam Registration: | Pearson VUE (historical) |
| Sample Questions: |  |
| Exam Way: | Proctored onsite at Pearson VUE test centers; retired, no longer available |
| Pre Condition: | Hold valid MCPD: Windows Developer 3.5 or MCPD: Enterprise Application Developer 3.5 certification |
| Official Syllabus URL: | https://learn.microsoft.com/en-us/previous-versions/microsoft-65/exam-70-521 |
Microsoft 70-521 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Windows Presentation Foundation (WPF) 4 Improvements | 25% | - Data binding and layout enhancements - New controls and visual state manager - Graphics and media integration |
| Windows Forms Enhancements in .NET Framework 4 | 20% | - Application configuration and deployment - New controls and features - Data binding improvements |
| ADO.NET and Data Access in .NET 4 | 20% | - Data Services and LINQ enhancements - Connection management and performance - Entity Framework 4 features |
| Application Design and Architecture | 10% | - Migrating 3.5 code to .NET Framework 4 - Performance and compatibility considerations |
| Windows Communication Foundation (WCF) 4 Updates | 25% | - REST and syndication support - Security and transaction improvements - Simplified configuration and service discovery |
70-521 (Microsoft) Exam: Questions, Answered Honestly
Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 is an official Microsoft exam, catalogued under exam code 70-521. Passing it awards the MCPD: Windows Developer 4 certification at the Professional level. It also connects with MCTS: .NET Framework 4, Windows Applications, MCTS: .NET Framework 4, Service Communication Applications, MCTS: .NET Framework 4, Data Access. It is built for candidates with ambitious aims, and the credential it grants is recognized accordingly.
Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 spans 5 official domains, led by ADO.NET and Data Access in .NET 4 (20%), Application Design and Architecture (10%), and Windows Presentation Foundation (WPF) 4 Improvements (25%). The complete outline sits above; before getting down to business, look through the whole contents quickly so every later practice session has context.
The Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 exam presents 50-70 questions within 120 minutes. A practical tip from successful candidates: mark the most difficult questions during practice, exchange notes on them with friends, and repeat them until they stop being difficult. The TestPassKing engine makes that loop fast, and the clock stops being a threat.
Passing Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 requires 700 (on scale 1000), and official registration costs $150–$165 USD. Retakes bill the full $150–$165 USD again, so verify readiness before booking: when your TestPassKing practice scores clear the requirement repeatedly, including on questions you once marked as difficult, you are ready.
Hold valid MCPD: Windows Developer 3.5 or MCPD: Enterprise Application Developer 3.5 certification
Requirements change from time to time, so confirm the current conditions before registering on the official exam page.
Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 registration is handled through the official channels below.
When you schedule, note that the exam is delivered Proctored onsite at Pearson VUE test centers; retired, no longer available.
Microsoft recommends the following training for Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 candidates.
Combine any training with the 115 practice questions in the TestPassKing 70-521 package; one or two focused days of repeated practice after a course is often what locks the knowledge in.
Yes, a free demo of the Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 questions is available before purchase. Afterward, you can track freshness by the updating version number on the website, and whenever questions change we instantly email the details to you, free for 365 days. We even keep sending the latest questions after you pass, so you can follow every tiny change. After expiry, extending updates costs 50% of the regular price.
Your purchase carries a 100% money-back guarantee under clear conditions. Take the Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 exam within 60 days of purchase; if you fail, you may claim a full refund, provided the exam matches your product. Attempts within 3 days of purchase are ineligible, as are downloaded-but-unused products, free materials, and expired orders; the candidate name must match the payer name. Submit a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and claims are processed within 7 days. Alternatively, exchange for two other exam products of equal value, free, keeping the update service on your original purchase.
Delivery is instant: download after ordering, with an automatic email arriving within one minute. If nothing arrives within 2 hours, do not forget to check your junk mailbox, then contact customer service. Installation is unlimited across your computers.
