Microsoft 70-503 : TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation

70-503 real exams

Exam Code: 70-503

Exam Name: TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation

Updated: Sep 10, 2026

Q & A: 270 Questions and Answers

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Microsoft 70-503 Exam Syllabus Topics:

SectionWeightObjectives
Creating Services19%- Define message contracts
- Define operation contracts
- Define data contracts
- Process generic messages
- Define service contracts
Exposing and Configuring Services21%- Configure service hosting
- Configure service endpoints
- Configure service behaviors
- Configure bindings
Securing Services18%- Configure authentication
- Configure authorization
- Configure transport security
- Configure message security
Instrumenting and Administering Services11%- Implement service throttling
- Configure performance counters
- Enable message logging
- Implement service tracing
Consuming Services18%- Handle communication exceptions
- Configure client endpoints and bindings
- Implement asynchronous calls
- Create service proxies
Hosting and Managing Services13%- Host services in IIS/WAS
- Host services in managed applications
- Create custom behaviors
- Manage service instances and concurrency

Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation Sample Questions:

Question #1

You create an application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5. You are designing a data contract for a Windows Communication foundation (WCF) service that will be hosted by the application. You need to ensure that the data contract meets the following requirements: It does not support Schema versioning.
It allows additional contract and additional elements to be included over time. It allows the client applications to submit messages that contain additional elements without error.
What should you do?

  • A. Use the DataMemberAttribute attribute.
  • B. Implement the IExtensibleDataObject interface.
  • C. Use the IsRequired property.
  • D. Implement the IMetadataExchange interface.
Answer: B
Question #2

You are creating a Windows Communication Foundation client application by using Microsoft .NET Framework 3.5. You add the following code segment to a service contract.

The DeleteDocument method in the service contract takes a long time to execute. The client application stops responding until the method finishes execution.
You write the following code segment to create an instance of a service proxy in the client application. (Line numbers are included for reference only.)

You need to ensure that the service methods are called asynchronously. What should you do?

  • A. Option A
  • B. Option C
  • C. Option B
  • D. Option D
Answer: B
Question #3

You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You need to ensure that the service can send data in the following format to the client applications.
<Account ld="">
<Name> </Name>
<Balance Currency=""> </Balance> </Account>
Which code segment should you use?

  • A. Option A
  • B. Option C
  • C. Option B
  • D. Option D
Answer: A
Question #4

You create a Windows Communication Foundation (WCF) application by using Microsoft .NET Framework 3.5. The desktop client calls the WCF service to query its status. The call can take up to 10 seconds to complete.
The client application must remain responsive when querying the service. You need to generate the required proxy.
What should you do?

  • A. Execute the svcutil myServiceHost.exe /serviceName:MyWCF command.
  • B. Execute the svcutil http: //localhost:8000/MyWCF /async command.
  • C. Clear the Generate asynchronous operation check box in the Add Service Reference Settings dialog box.
  • D. Execute the svcutil /validate /serviceName:MyWCF myServiceHost.exe command.
Answer: B
Question #5

You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You find that the service starts even though the endpoints have not been configured correctly. You need to create a custom service behavior that throws an exception if the list of endpoints that are configured is not complete. Which code segment should you use?

  • A. Option A
  • B. Option C
  • C. Option B
  • D. Option D
Answer: C

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