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Microsoft 070-503 Exam Syllabus Topics:

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

1. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. Client applications receive the original fault messages that the service generates. You need to create a custom service behavior to add a fault message handler to all channel dispatchers. What should you do?

A) Implement the IErrorHandler interface to create a fault message handler.
Implement the IServiceBehavior interface to create a custom behavior to add a fault
message handler to all channel dispatchers.
B) Implement the IClientMessageInspector interface to create a fault message handler.
Implement the IEndpointBehavior interface to create a custom behavior to add a fault
message handler to all channel dispatchers.
C) Implement the IClientMessageFormatter interface to create a fault message handler.
Implement the IServiceBehavior interface to create a custom behavior to add the fault
message handler to all channel dispatchers.
D) Extend the ExceptionHandler class to create a fault message handler.
Implement the IEndpointBehavior interface to create a custom behavior to add the fault
message handler to all channel dispatchers.

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

You need to ensure that the client applications of only those users who belong to the Administrators group can access the RemoveOrder method.
Which code segment should you insert at line 05?

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

3. You create a stateless, thread-safe service by using Microsoft .NET Framework 3.5. You use the Windows Communication Foundation model to create the service. Load testing reveals that the service does not scale above 1,000 concurrent users.
You discover that each call to the service instantiates a new service instance. You also discover that these service instances are expensive to create. You need to ensure that 5,000 concurrent users can access the service.
Which code segment should you use?

A) [ServiceBehavior( lnstanceContextMode=lnstanceContextMode.PerCall ConcurrencyMode=ConcurrencyMode.Multiple)]
B) [ServiceBehavior( lnstanceContextMode=lnstanceContextMode.PerCall ConcurrencyMode=ConcurrencyMode.Reentrant)]
C) [ServiceBehavior( lnstanceContextMode=lnstanceContextMode. Single, ConcurrencyMode=ConcurrencyMode.Reentrant)]
D) [ServiceBehavior( lnstanceContextMode=lnstanceContextMode.Single, ConcurrencyMode=ConcurrencyMode.Multiple)]

4. You are creating a Windows Communication Foundation distributed application by using Microsoft .NET Framework 3.5. You write the following code segment to implement the service contract. (Line numbers are included for reference only.)

You need to ensure that the client applications of only those users who belong to the Administrators group can access the RemoveOrder method.
Which code segment should you insert at line 05?

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

5. 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 AfterReceiveReply 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 BeforeSendReply method to catch the ReplyValidationFault exception. Replace the reply message with an explicit fault message.
D) Modify the BeforeSendRequest method to catch the ReplyValidationFault exception. Replace the reply message with an explicit fault message.

Solutions: