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Microsoft 70-503 Exam Syllabus Topics:

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

Question 1

You create a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. Client applications that run on different platforms access the WCF service.
These applications transmit confidential data to the WCF service. You write the following binding configuration.
....
<binding name="TransportSecurity" >
<security mode="Transport" />
</binding>
...
You need to configure the service for optimum interoperability and optimum security.
Which code fragment should you use?

A. Option B
B. Option D
C. Option C
D. Option A

Question 2

You are creating a remote database management application by using Microsoft Windows Forms and Microsoft .NET Framework 3.5. You use the Windows
Communication Foundation model to create the application. You write the following code segment. (Line numbers are included for reference only.)
01 public class QueryAnalyzerService :
02 IQueryAnalyzerService, IDisposable {
04 public void Open() {
05}
06 public void ExecuteSql(string sql) {
07...
08!
09 public void Close() {
10...
11}
12 public void Disposed
13...
14}
15...
16}
You need to ensure that each time a client application calls the Open0 method, a new service instance is created. Which code segment should you insert at line 03?

A. [OperationBehavior( AutoDisposeParameters=true)]
B. [OperationBehavior( ReleaselnstanceMode=ReleaselnstanceMode.None)]
C. [OperationBehavior( TransactionScopeRequired=true)]
D. [OperationBehavior( ReleaselnstanceMode=ReleaselnstanceMode.BeforeCall))

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 AfterReceiveRequest method to catch the ReplyValidationFault exception. Replace the reply message with an explicit fault message.
C. Modify the AfterReceiveReply method to catch the ReplyValidationFault exception. Replace the reply message with an explicit fault message.
D. Modify the BeforeSendReply method to catch the ReplyValidationFault exception. Replace the reply message with an explicit fault message.

Question 4

You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. You need to use a custom service host to host the WCF service in Windows Activation Services (WAS).
What should you do?

A. Add code to instantiate the custom service host from within the main procedure of the WCF service.
B. Create a custom service host factory that instantiates the custom service host. Include a reference to this factory in the .svc file.
C. Add a reference to the custom service host in the web.config file.
D. Write hosting code for the WCF service.

Question 5

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 B
B. Option D
C. Option C
D. Option A

Solutions: