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

1. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The service will authenticate the client applications by using Personal Information Cards. You write the following code segment. (Line numbers are included for reference only.)

You need to ensure that only those client applications that provide a valid e-mail address can execute the Update method. Which code segment should you insert at line 15?

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


2. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You need to programmatically add the following endpoint definition to the service. http://localhost:8000/ExamService/service
Which code segment should you use?

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


3. You are creating a client application by using Microsoft .NET Framework 3.5. The client application will consume a COM+ application by using the Windows Communication Foundation service. You write the following code segment to implement the COM+ application.

The application ID of the COM+ application is {AppGuidlsHere}.
You need to configure the WCF service to access the COM+ application from the WCF client application. Which code fragment should you use?

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


4. 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) Insert the following code segment at line 05.
client.BeginDeleteDocument(20, ProcessDeleteDocument, client);
Insert the following code segment at line 09.
count=(result.AsyncState as DocumentServiceClient). EndDeleteDocument(res)
B) Insert the following code segment at line 05.
client.BeginDeleteDocument(20, ProcessDeleteDocument, client);
Insert the following code segment at line 09.
count=(result.AsyncState as DocumentServiceClient). EndDeleteDocument(nul)
C) Insert the following code segment at line 05.
IAsyncResult result= client.BeginDeleteDocument(20, ProcessDeleteDocument, client);int
count=client.EndDeleteDocument(result);
Insert the following code segment at 09.
result.AsyncWaitHandle.WaitOne();
D) Insert the following code segment at line 05.
client.BeginDeleteDocument(20, ProcessDeleteDocument, client);
Insert the following code segment at line 09.
result.AsyncWaitHandle.WaitOne(); int count=(result as DocumentServiceClient).
EndDeleteDocument(result);


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

You have not deployed the IMathService service.
You need to expose the AddNumbers (a As Double, b As Double) As Double operation to
the IMathService service contract.
Which code segment should you use?

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


Solutions:

Question # 1
Answer: C
Question # 2
Answer: B
Question # 3
Answer: C
Question # 4
Answer: A
Question # 5
Answer: A

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