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Updated: Aug 19, 2026
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Microsoft 070-503 Exam Overview:
| Certification Vendor: | Microsoft |
| Exam Name: | TS: Microsoft .NET Framework 3.5, Windows Communication Foundation |
| Exam Number: | 70-503 |
| Certificate Validity Period: | Retired (no longer available; certification previously did not expire formally but is now discontinued) |
| Exam Price: | USD 125 (varies by region) |
| Available Languages: | English, Japanese, Simplified Chinese, German, French |
| Exam Duration: | 120 minutes |
| Passing Score: | 700 (on a scale of 1000) |
| Real Exam Qty: | Approximately 40–60 |
| Exam Format: | Multiple choice, Multiple response, Case studies, Scenario-based questions |
| Related Certifications: | MCTS: .NET Framework 3.5 |
| Recommended Training: | Official .NET Framework 3.5 Documentation |
| Sample Questions: | Microsoft 070-503 Sample Questions |
| Exam Way: | Computer-based exam delivered via authorized testing centers (Prometric/Vue historically, now retired). |
| Pre Condition: | Recommended: basic understanding of C# and .NET Framework 3.5. Prior experience with distributed applications is helpful. |
Microsoft 070-503 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Configuring and Hosting WCF Services | - Service configuration
|
| Topic 2: Security in WCF Services | - Authentication and authorization
|
| Topic 3: Client Configuration and Consumption | - Client configuration
|
| Topic 4: Designing and Developing WCF Services | - Service contracts and data contracts
|
| Topic 5: WCF Bindings and Messaging | - Message patterns
|
Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation Sample Questions:
1. You create a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The WCF service contains the following code segment.
A console application hosts the WCF service. A Microsoft Windows client application uses the WCF service.
You need to implement the callback operation for the client application. You also need to ensure that the callback operation will not encounter deadlocks during execution.
Which code segment should you use?
A) Option C
B) Option B
C) Option D
D) Option A
2. 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 C
B) Option B
C) Option D
D) Option A
3. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You have successfully created two interfaces: IMyService and IMyServiceClient.
You need to ensure that the service is able to call methods from the client application by using the IMyServiceClient interface.
Which code segment should you use?
A) Option C
B) Option B
C) Option D
D) Option A
4. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You create the following service definition
[ServiceContract(SessionMode=SessionMode.Required)] public interface IMyService {
... }
You need to custom manage the lifetime of the session.
Which service implementation should you use?
A) [ServiceBehavior(UseSynchronizationContext=true)] public class serviceImpl { ... }
B) [ServiceBehavior(AutomaticSessionShutdown=true)]
public class serviceImpl
{
...
}
C) [ServiceBehavior(UseSynchronizationContext=false)] public class serviceImpl { ... }
D) [ServiceBehavior(AutomaticSessionShutdown=false)] public class serviceImpl { ... }
5. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
The service will be hosted on a Web server.
You need to ensure that the service is able to access the current HttpContext instance. Which configuration settings and attribute should you use?
A) Option C
B) Option B
C) Option D
D) Option A
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: D | Question # 5 Answer: A |
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