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Exam 70-521 Microsoft :Upgrade: Transition your MCPD .NET Framework 3.5 Windows Developer Skills to MCPD .NET 4 Windows Applications Developer
Published: October 05, 2010
Language(s): English
Audience(s): Developers
Technology: Microsoft Visual Studio 2010
Type: Proctored Exam

Microsoft Upgrade: Transition your MCPD .NET Framework 3.5 Windows Developer Skills to MCPD .NET 4 Windows Applications Developer 70-521
Exam Number/Code : 70-521
Exam Name : Upgrade: Transition your MCPD .NET Framework 3.5 Windows Developer Skills to MCPD .NET 4 Windows Applications Developer
One year free update
Once failed,100% refund
Questions and Answers : 108Q&As
Update Time : 2013-4-8
Price :$89.00

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Free 70-521 Demo Download
1.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<TChannel>
B.ServiceHost
C.ClientRuntime
D.CommunicationObject
Answer: A

2.A Windows Communication Foundation (WCF) service has a callback contract. You are developing a
client application that will call this service.
You must ensure that the client application can interact with the WCF service.
What should you do?
A.On the OperationContractAttribute, set the AsyncPattern property value to true.
B.On the OperationContractAttribute, set the ReplyAction property value to the endpoint address of the
client.
C.On the client, create a proxy derived from DuplexClientBase<TChannel>.
D.On the client, use GetCallbackChannel<T>.
Answer: C