70-521 Questions And Answers

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QUESTION 3
A Windows Communication Foundation (WCF) application uses a data contract that has several data members. You need the application to throw a SerializationException if any of the data members are not present when a serialized instance of the data contract is deserialized.
What should you do?
A. Add the KnownType attribute to the data contract. Set a default value in each of the data member declarations.
B. Add the KnownType attribute to the data contract. Set the Order property of each data member to unique integer value.
C. Set the EmitDefaultValue property of each data member to False.
D. Set the IsRequired property of each data member to True.
Answer: D

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QUESTION 5
You are building a client for a Windows Communication Foundation (WCF) service. You need to create a proxy to consume this service. Which class should you use?
A. ChannelFactory(Of TChannel)
B. ServiceHost
C. ClientRuntime
D. CommunicationObject
Answer: A