Updated: Aug 30, 2026
No. of Questions: 270 Questions & Answers with Testing Engine
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| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | TS: Microsoft .NET Framework 3.5, Windows Communication Foundation Application Development |
| Exam Number: | 70-503 |
| Real Exam Qty: | 40-60 |
| Related Certifications: | 70-505 TS: .NET Framework 3.5 Windows Forms Application Development Microsoft Certified Technology Specialist .NET Framework 3.5 70-502 TS: .NET Framework 3.5 Windows Presentation Foundation Application Development 70-561 TS: .NET Framework 3.5 ADO.NET Application Development |
| Passing Score: | 700 (on a 1000 scale) |
| Available Languages: | French, Spanish, Japanese, English, German |
| Exam Price: | USD 150 |
| Certificate Validity Period: | Retired (no longer available for scheduling) |
| Exam Duration: | 120 minutes |
| Exam Format: | Multiple choice, Scenario based questions |
| Sample Questions: | Microsoft 070-503 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 |
| Section | Objectives |
|---|---|
| Topic 1: Client Configuration and Communication | - Creating and configuring WCF client applications - Channel factories and proxy generation - Bindings and interoperability considerations |
| Topic 2: Windows Communication Foundation Fundamentals | - Service contracts, data contracts, and message contracts - Bindings, endpoints, and host configuration - Understanding WCF architecture and programming model |
| Topic 3: Security, Transactions and Reliability | - Transactions, concurrency and instance management - Configuring security (transport and message level) - Reliable messaging and error handling |
| Topic 4: Service Implementation and Hosting | - Configuring service behavior and metadata exposure - Implementing service contracts in C# using .NET Framework 3.5 - Hosting WCF services in managed applications, IIS and WAS |
Question 1
You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service will be exposed for consumption. You need to ensure that the service supports interoperability with the broadest possible number of Web Service toolkits. The service must also support transport-level security. Which configuration setting should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Question 2
You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following code segment. (Line numbers are included for reference only.)
When you browse to the base address of the service, you receive the following message:
"Metadata publishing for this service is currently disabled."
You debug the code and discover that the ServiceMetadataBehavior behavior was previously nonexistent.
You need to enable metadata publishing.
What should you do?
A. Modify the code segment at line 02 in the following manner. Dim mexAddress As New Uri ("/service")
B. Insert the following code segment at line 06. smb.HttpGetEnatoled =True
C. Delete lines 08 and 09.
D. Insert the following code segment at line 12. smb.HttpGetEnatoled =True
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 C
D. Option D
Question 4
You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service contains the following code segment.
You need to create a service contract that meets the following requirements:
Which code segment should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Question 5
You are creating a distributed application with Windows Communication Foundation by using Microsoft .NET Framework 3.5.
The distributed application topology includes client applications, routers, and services. Communication between the client applications and the services require authentication, confidentiality, and integrity.
You need to ensure that routers are not able to read the contents of the messages. You must achieve this goal without customizing the binding configuration.
Which binding should you use?
A. NetNamedPipeBinding
B. NetPeerTcpBinding
C. WSHttpBinding
D. NetTcpBinding
Solutions:
| Question 1 Answer: C | Question 2 Answer: B | Question 3 Answer: D | Question 4 Answer: A | Question 5 Answer: C |
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