多項(xiàng)選擇題

You are developing a Windows Communication Foundation (WCF) service. You write a method named Submit that accepts messages of the type System.ServiceModel.Channels.Message. You need to process the body of the incoming messages multiple times in the method. Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)（）

A. Use the GetBody method of the Message class to read the content of the messages.
B. Use the CreateBufferedCopy method of the Message class to load the messages into memory.
C. Use the WriteBodyContents method of the BodyWriter class to make a copy of the messages.
D. Use the CreateMessage method of the MessageBuffer class to make a copy of the messages.

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單項(xiàng)選擇題

A Windows Communication Foundation (WCF) service is generating a separate namespace declaration for each body member of a message contract,even though all body members share the same namespace. You need to simplify the XML representation of your message contract so that the namespace is only declared once. What should you do?（）

A. Declare a wrapper namespace for the message contract by using the WrapperNamespace property of the MessageContract attribute
B. Explicitly set the Namespace property of all the MessageBodyMember attrbutes to the same namespace.
C. Declare all of the body members as properties of a DataContract class and use the class as the only body member of the message contract.
D. Declare all of the body members as properties of a separate MessageContract class and use the class as the only body member of the message contract.

單項(xiàng)選擇題

Your Windows Communication Foundation (WCF) client application uses HTTP to communicate with the service.You need to enable message logging and include all security information such as tokens and nonces in logged messages.What should you do?（）

A.
B.
C.
D.

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Your Windows Communication Foundation (WCF) client application uses HTTP to communicate with the service.You need to enable message logging and include all security information such as tokens and nonces in logged messages.What should you do?（）

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