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Updated: Sep 07, 2026
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Microsoft 70-503 Exam Overview:
| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | TS: Microsoft .NET Framework 3.5, Windows Communication Foundation Application Development |
| Exam Number: | 70-503 |
| Passing Score: | 700 (on a 1000 scale) |
| Exam Duration: | 120 minutes |
| Real Exam Qty: | 40-60 |
| Available Languages: | French, English, Spanish, Japanese, German |
| Related Certifications: | 70-561 TS: .NET Framework 3.5 ADO.NET Application Development 70-502 TS: .NET Framework 3.5 Windows Presentation Foundation Application Development 70-505 TS: .NET Framework 3.5 Windows Forms Application Development Microsoft Certified Technology Specialist .NET Framework 3.5 |
| Certificate Validity Period: | Retired (no longer available for scheduling) |
| Exam Price: | USD 150 |
| Exam Format: | Multiple choice, Scenario based questions |
| Sample Questions: | Microsoft 70-503 Sample Questions |
| Exam Way: | Onsite at an authorized testing center (exam has been retired and is no longer offered). |
| Pre Condition: | Experience developing distributed applications using Microsoft .NET Framework 3.5 and Visual Studio. |
| Official Syllabus URL: | https://learn.microsoft.com/en-us/credentials/exams/70-503 |
Microsoft 70-503 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Security, Transactions and Reliability | - Transactions, concurrency and instance management - Reliable messaging and error handling - Configuring security (transport and message level) |
| Windows Communication Foundation Fundamentals | - Service contracts, data contracts, and message contracts - Understanding WCF architecture and programming model - Bindings, endpoints, and host configuration |
| Service Implementation and Hosting | - Configuring service behavior and metadata exposure - Hosting WCF services in managed applications, IIS and WAS - Implementing service contracts in C# using .NET Framework 3.5 |
| Client Configuration and Communication | - Bindings and interoperability considerations - Creating and configuring WCF client applications - Channel factories and proxy generation |
Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation Sample Questions:
Question 1
You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service contains the following binding configuration in the configuration file. (Line numbers are included for reference only.)
01 <wsHttpBinding>
02 <binding name="ssl">
04 </binding>
05 </wsHttpBinding>
You need to ensure that the following requirements are met:
Which configuration setting should you insert at line 03?
A. Option A
B. Option B
C. Option D
D. Option C
Question 2
You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You create the following service contract.
The service will not use any external resources.
You need to ensure that the calls to the DoSomething operation are thread-safe.
What are the two possible service implementations that you can use to achieve this goal?
(Each correct answer presents a complete solution. Choose two.)
A. Option A
B. Option B
C. Option D
D. Option C
Question 3
You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service has an operation contract named GetMessage.
You write the following code segment to implement the service. (Line numbers are included for reference only.)
You need to send the contents of the File.xml file to a client application by using the SOAP body.
Which code segment should you insert at line 08?
A. Option A
B. Option B
C. Option D
D. Option C
Question 4
You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You need to configure a single service endpoint with the following logical and physical addresses:
Which configuration setting should you use?
A. Option A
B. Option B
C. Option D
D. Option C
Question 5
You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You want to enable message logging. You add the following code fragment to the service configuration file.
<system.diagnostics> <sources> <source name="System. ServiceModel. Messagel_ogging">
<listeners> odd name="messages"
type="System. Diagnostics. XmlWriterTraceListener" />
</listeners> </source> </sources> </system.diagnostics>
You receive an exception. You need to successfully enable message logging. What should you do?
A. Set the initializeData attribute to the name of a log file.
B. Set the maximum size of the message to be logged to 256K.
C. Set the switchValue attribute to verbose.
D. Remove the message filter.
Solutions:
| Question 1 Answer: D | Question 2 Answer: A,C | Question 3 Answer: C | Question 4 Answer: A | Question 5 Answer: A |
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