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Updated: Sep 04, 2026

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Microsoft 070-503-VB Exam Overview:

Certification Vendor:Microsoft
Exam Name:TS: Microsoft .NET Framework 3.5, Windows Communication Foundation Application Development
Exam Number:70-503-VB
Exam Format:Code-Based Questions, Drag-and-Drop, Multiple Choice, Scenario-Based
Exam Price:USD 125 (varies by region)
Passing Score:Pass/Fail (no fixed numeric score published officially)
Exam Duration:90-120
Related Certifications:MCTS: .NET Framework 3.5, ASP.NET Applications
MCPD: Enterprise Application Developer 3.5
MCTS: .NET Framework 3.5, ADO.NET Applications
MCTS: .NET Framework 3.5, Windows Forms Applications
Available Languages:French, Spanish, Japanese, English, German
Certificate Validity Period:Retired, no longer valid for new certifications
Real Exam Qty:45-65
Recommended Training:Microsoft Official Course 6461A: Developing Windows Communication Foundation Applications
Exam Registration:Microsoft Learning (Retired)
Exam Way:Proctored at authorized test centers; retired exam no longer available
Pre Condition:No formal prerequisites; recommended 1+ year experience with .NET Framework 3.5, Visual Studio 2008, and distributed application development
Official Syllabus URL:https://social.technet.microsoft.com/wiki/contents/articles/8120.exam-70-503-ts-microsoft-net-3-5-windows-communication-foundation.aspx

Microsoft 070-503-VB Exam Syllabus Topics:

SectionWeightObjectives
Working with Advanced Features10%- Implementing transactions and reliable messaging
- Using message inspectors and routing
- Integrating with MSMQ and COM+
- Tracing, logging, and diagnostics
Creating Service Contracts15%- Configuring session and transaction behavior
- Setting protection levels
- Defining service and operation contracts
Securing Services16%- Implementing certificates and tokens
- Configuring transport and message security
- Authenticating and authorizing users
Creating Data Contracts14%- Handling versioning and known types
- Using message contracts
- Defining data members and serialization
Configuring Behaviors12%- Creating and configuring custom behaviors
- Managing throttling and concurrency
- Applying service and endpoint behaviors
Hosting Services and Configuring Endpoints17%- Exposing metadata
- Configuring addresses, bindings, and contracts
- Hosting in IIS, WAS, Windows Service, or self-hosting
- Configuring standard and custom bindings
Consuming Services16%- Consuming non-WCF services
- Calling services and handling exceptions
- Generating and configuring service proxies

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