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

  • Exam Code: 70-503
  • Exam Name: TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation
  • Updated: Oct 11, 2026     Q & A: 270 Questions and Answers

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Microsoft 70-503 Exam Syllabus Topics:

SectionObjectives
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
Security, Transactions and Reliability- Reliable messaging and error handling
- Transactions, concurrency and instance management
- Configuring security (transport and message level)
Windows Communication Foundation Fundamentals- Bindings, endpoints, and host configuration
- Understanding WCF architecture and programming model
- Service contracts, data contracts, and message contracts

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. You create the following service contract.

You need to ensure that the DoSomething operation is executed by a single thread at a time.
What are two possible service implementations you should use to achieve this goal? (Each correct answer presents a complete solution. Choose two.)

  • A. Option D
  • B. Option A
  • C. Option C
  • D. Option B
Reveal Solution  Discussion  0

Correct Answer: C,D  🗳️

Question #2

You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. You create a class named Customer for the WCF service. The Customer class has properties named Id, Name, and BalanceDue.
You plan to convert the Customer class into a data contract.
You need to ensure that only the Id property and the Name property are passed to the client applications.
Which code segment should you use?

  • A. Option D
  • B. Option A
  • C. Option C
  • D. Option B
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #3

You create a client application by using Microsoft .NET Framework 3.5. The client application uses a Windows Communication Foundation (WCF) service. You plan to implement inspection handling on the client application and the WCF service. You need to add error handling to the WCF service. What should you do?

  • A. Modify the BeforeSendRequest method to catch the ReplyValidationFault exception. Replace the reply message with an explicit fault message.
  • B. Modify the AfterReceiveReply method to catch the ReplyValidationFault exception. Replace the reply message with an explicit fault message.
  • C. Modify the BeforeSendReply method to catch the ReplyValidationFault exception. Replace the reply message with an explicit fault message.
  • D. Modify the AfterReceiveRequest method to catch the ReplyValidationFault exception. Replace the reply message with an explicit fault message.
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #4

You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following code segment.

You need to ensure that when the MyMethod method is called, the service is the root of a transaction. Which code segment should you insert at line 09?

  • A. [OperationBehavior(TransactionScopeRequired=true)] [TransactionFlow(TransactionFlowOption.Allowed)]
  • B. [OperationBehavior(TransactionScopeRequired=true)] [TransactionFlowfTransactionFlowOption.NotAllowed)]
  • C. [OperationBehavior(TransactionScopeRequired=false)] [TransactionFlow(TransactionFlowOption.NotAllowed)]
  • D. [OperationBehavior(TransactionScopeRequired=false)] [TransactionFlow(TransactionFlowOption.Mandatory)]
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #5

You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You need to expose two different service endpoints that have the same address.
Which configuration setting should you use?

  • A. <service name="ExamService">
    <host>
    <baseAddresses>
    <add baseAddress="http: //localhost:8080/service"/>
    </baseAddresses>
    </host>
    <endpoint binding="wsHttpBinding" contract="ISimpleExam"/>
    <endpoint binding="basicHttpBinding"
    contract="IComplexExam"/>
    </service>
  • B. <service name="ExamService">
    <endpoint address="http: . //localhost:8080/service"
    binding="wsHttpBinding" contract="ISimpleExam"/>
    <endpoint address="http: //localhost:8080/service"
    binding="wsHttpBinding" contract="IComplexExam"/>
    </service>
  • C. <service name="ExamService">
    <endpoint address="http: //localhost:8080/service"
    binding="wsHttpBinding" contract="ISimpleExam"/>
    <endpoint address="http: //localhost:8080/service"
    binding="wsDualHttpBinding" contract="IComplexExam"/>
    </service>
  • D. <service name="ExamService">
    <host>
    <baseAddresses>
    <add baseAddress="http: //localhost:8080"/>
    </baseAddresses>
    </host>
    <endpoint address="service"
    binding="wsHttpBinding" contract="ISimpleExam"/>
    <endpoint address="service"
    binding="basicHttpBinding" contract="IComplexExam"/>
    </service>
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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