Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation : 070-503 Exam Questions

  • Exam Code: 070-503
  • Exam Name: TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation
  • Updated: May 28, 2026
  • Q&As: 270 Questions and Answers

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

1. You create an application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5. The application exposes a Windows Communication Foundation (WCF) Web service. The Web service is consumed by third-party applications. You need to ensure that the WCF service provides interoperable and secure end-to-end communications. What should you do?

A) Use the basicHttpBinding binding along with the transport-level security.
B) Use the netNamedPipeBinding binding along with the message-level and the transport-level securities.
C) Use the netTcpBinding binding along with the message-level security.
D) Use the wsHttpBinding binding along with the message-level security.


2. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following code segment to define the service. (Line numbers are included for reference only.)

You need to set the ServiceContract attribute for the transaction behavior of the service. Which code segment should you insert at line 01?

A) <ServiceContract(SessionMode:=SessionMode.Allowed)> _
B) <ServiceContract(SessionMode:=SessionMode.Required)> _
C) <ServiceContract(SessionMode:=SessionMode.NotAllowed, _ ProtectionLevel:=ProtectionLevel.EncryptAndSign)> _
D) <ServiceContract(SessionMode:=SessionMode.Allowed, _ ProtectionLevel:=ProtectionLevel.EncryptAndSign)> _


3. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service contains the following code segment.
[ServiceContract] public interface IMathSrvc {
[OperationContract] void
AddNumbers(int num);
[OperationContract] int
ClearQ; }
You need to ensure that the service meets the following requirements: The service can call the AddNumbers operation multiple times. The AddNumbers operation must start a session on the initial call.
The service must call the Clear operation only if a session exists.
The service must not call other operations after it calls the Clear operation.
Which code segment should you use to replace the existing code segment?

A) [ServiceContractJpublic interface IMathSrvcj
[OperationContract(lslnitiating=true, lsOneWay=true)J void AddNumbers(int num);
[OperationContract(lsTerminating=true)] int Clear();}
B) [ServiceContractJpublic interface IMathSrvcj
[OperationContract(lsOneWay=true)] void
AddNumbers(int num); [OperationContract(lsTerminating=true)] int Clear0;}
C) [ServiceContractJpublic interface ImathSrvc] [OperationContract] void
AddNumbers(int num);
[OperationContract(lslnitiating=false, lsTerminating=true)] int Clear();}
D) [ServiceContractJpublic interface ImathSrvc]
[OperationContract(lsTerminating=false)] void
AddNumbers(int num); [OperationContract(lsTerminating=true)] int ClearQ;}


4. You create a Windows Communication Foundation client application by using Microsoft .NET Framework 3.5. The client application communicates with an existing Web service that requires custom HTTP headers. You need to ensure that all messages sent to the service include the headers. Which two tasks should you perform? (Each correct answer presents part of the solution. Choose two.)

A) Create a message inspector. Insert the custom headers by using the ICIientMessagelnspector.AfterReceiveReply method.
B) Create a custom endpoint behavior. Add the message inspector by using the IEndpointBehavior.AddBindingParameters method.
C) Create a message inspector. Insert the custom headers by using the ICIientMessagelnspector.BeforeSendRequest method.
D) Create a custom endpoint behavior. Add the message inspector by using the IEndpointBehavior.ApplyClientBehavior method.


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


Solutions:

Question # 1
Answer: D
Question # 2
Answer: B
Question # 3
Answer: C
Question # 4
Answer: C,D
Question # 5
Answer: D

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