The Microsoft TS: MS.NET Frmwrk 3.5, Wndws Commun Fndtion App Dev (exam code 070-503-Csharp) is the exam you pass to earn the Microsoft Certified Technology Specialist (MCTS): .NET Framework 3.5 / Windows Communication Foundation certification, a credential at the Associate level. It is also connected with related credentials such as MCTS: .NET Framework 3.5. If you are mapping out a certification path with Microsoft, this exam is a milestone worth planning around.

Recommended experience with C# programming and .NET Framework 3.5 development. Basic understanding of service-oriented architecture is advised.

Eligibility rules can be adjusted by Microsoft over time, so before you register, confirm the current requirements on the official exam page.

You can book the 070-503-Csharp exam through the official registration channels below:

• Pearson VUE Microsoft Exams

How the exam is taken: Proctored exam via authorized testing centers (Pearson VUE) or online proctoring where available.

Microsoft lists the following official training options for candidates preparing for this exam:

• Microsoft Learn - Windows Communication Foundation (WCF)

Once you have worked through the training, measure your readiness with the 270 practice questions from 2Pass4sure — they show you exactly which topics still need attention before you book the exam.

Yes. 2Pass4sure offers a free PDF demo of the 070-503-Csharp practice questions, so you can judge the quality of the material firsthand before paying anything. Every purchase also includes 365 days of free updates — if Microsoft changes the exam during that year, your material changes with it. And when the free update period expires, you can extend it at a 50% discount from within your member zone.

Every 070-503-Csharp purchase at 2Pass4sure is backed by a 100% Money Back Guarantee: if you take the corresponding exam within 60 days of your purchase and do not pass, you can apply for a full refund. The guarantee has clear conditions — it does not apply if you sit the exam within 3 days of purchase, if you downloaded the material but never actually took the exam, or to free materials and expired orders, and the candidate name must match the payer name. To file a claim, send a scan of your exam enrollment slip together with your official Score Report PDF within 2 days of the exam; claims are processed within 7 days. If you would rather not take a refund, you can exchange the product instead and receive two additional exam preparation products of equal value for free, while your original product keeps its update service. Delivery itself is instant: your material is available for download right after payment and is also sent to your email within one minute — if it has not arrived within 2 hours, contact our customer service. There is no limit on how many computers you can install it on.

The official Microsoft TS: MS.NET Frmwrk 3.5, Wndws Commun Fndtion App Dev outline divides the exam content into 7 main domains. The first three are:

• Bindings and Endpoints
• Hosting and Deployment
• Service Contracts and Data Contracts

That is only the headline view — scroll back up to the Exam Topics section on this page for the complete domain-by-domain breakdown before you plan your study schedule.