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Microsoft 70-521 Exam dumps

UPG:Trans MCPD.NET Frmwk 3.5 Dev Skil to .NET 4 Wndws App De

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

4. You are creating a Windows Communication Foundation (WCF) service that

implements operations in a RESTful manner. You need to add a delete operation.

You implement the delete method as follows.

void DeleteItems(string id);

You need to configure WCF to call this method when the client calls the service with the

HTTP DELETE operation.

What should you do?

A. Add the WebInvoke(UriTemplate = "/Items/{id}", Method="DELETE") attribute to the

operation.

B. Add the HttpDelete attribute to the operation.

C. Replace the string parameter with a RemovedActivityAction parameter.

D. Replace the return type with RemovedActivityAction.

Answer: A