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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 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 AfterReceiveRequest method to catch the ReplyValidationFault exception. Replace the reply message with an explicit fault message.
B) Modify the BeforeSendReply 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 BeforeSendRequest method to catch the ReplyValidationFault exception. Replace the reply message with an explicit fault message.

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

The implementation of the MyMethod operation must call back the CallbackMethod operation.
You need to ensure that the service meets the following requirements:
Which service implementation should you use?

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

3. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You define the following data contract.

You need to identify the structure of the resulting XML instance document. Which structure will the data contract produce?

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

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

5. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You create the following service contract.

The service will not use any external resources.
You need to ensure that the calls to the DoSomething operation are thread-safe.
What are the two possible service implementations that you can use to achieve this goal?
(Each correct answer presents a complete solution. Choose two.)

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

Solutions: