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Microsoft 70-503 Exam Syllabus Topics:

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

1. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You create the following service contract.
[ServiceContract]
public interface IMath
{
[OperationContract]
int Add(int num1, int num2);
}
You need to add an operation contract to perform the Add operation asynchronously. Which operation contract should you use?

A) [OperationContract(AsyncPattern=true)]IAsyncResult BeginAdd(int num1, int num2);int EndAdd (IAsyncResult res);
B) [OperationContract]IAsyncResult BeginAdd(int num1, int num2);[OperationContract]int EndAdd (IAsyncResult res);
C) [OperationContract]int BeginAdd(int num1, int num2, AsyncCallback cb, object state);IAsyncResult EndAdd ();
D) [OperationContract(AsyncPattern=true)]IAsyncResult BeginAdd(int num1, int num2,
AsyncCallback cb,
object state);int EndAdd(IAsyncResult res);

2. You create 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.)

The service must meet the following requirements:
You need to set the isolation level for the service.
Which line of code should you insert at line 05?

A) [SecviceBehavior(TransactionIsolationLevel= IsolationLevel.Snapshot)]
B) [ServiceBehavior(TransactionIsolationLevel= IsolationLevel.Chaos)]
C) [ServiceBehavior(TransactionIsolationLevel= IsolationLevel.Unspecified)]
D) [ServiceBehavior(TransactionIsolationLevel= IsolationLevel.Serializable)]

3. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
The service will be hosted on a Web server that hosts other Microsoft ASP.NET applications.
You need to enable service model extension (.svc) for the W3SVC/l/ROOT/SampleApp directory and its subdirectories.
Which command should you use?

A) ServiceModelReg.exe -s: W3SVC/1/ROOT/SatripleApp
B) ServiceModelReg.exe - i: W3SVC/l/ROOT/SampleApp
C) ServiceModelReg.exe - sn: W3SVC/l/ROOT/SampleApp
D) ServiceModelReg.exe - k: W3SVC/l/ROOT/SampleApp

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

5. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service will be hosted in a managed Console application. You want to add endpoints to the service.
You need to ensure that all endpoints use the same base address.
Which code fragment should you use?

A) Option A
B) Option D
C) Option C
D) Option B

Solutions: