Microsoft 70-513

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Microsoft TS: Windows Communication Foundation velopment with Microsoft .NET Framework 4 Sample Questions:

1. You are developing a Windows Communication Foundation (WCF) service that contains the following service contract.
<ServiceContract() > Public Interface IPaymentService <OperationContract() > Sub RecordPayments(ByVal person As Person) End Interface Public Class Person End Class Public Class Employee Inherits Person End Class Public Class Customer Inherits Person End Class
You need to ensure that RecordPayments can correctly deserialize into an Employee or a Customer object.
What should you do?

A) Add the following KnownType attribute to the Employee class and to the Customer class. <KnownType(GetType(Person))>
B) Implement the IExtension(Of T) interface in the Person class.
C) Implement the IExtensibleDataObject interface in the Person class.
D) Add the following KnownType attributes to the Person class. <KnownType(GetType(Employee))> <KnownType(GetType(Customer))>

2. A client application calls a Windows Communication Foundation (WCF) service with a proxy class that was generated by Visual Studio.
The service binding was changed from wsHttpBinding to basicHttpBinding. The method signatures in the service contract are changed.
After these changes, the client application receives errors when calling methods on the service.
You need to ensure that the client can invoke methods on the service successfully.
What should you do?

A) Update the service reference.
B) Copy the configuration file elements under the <system.servicelviodel> element from the service back to the client.
C) Update the configuration file to use basicHttpBinding.
D) Enable anonymous authentication for the service.

3. DRAG DROP
You are developing a Windows Communication Foundation (WCF) service that contains a method named ProcessPayments. The service is hosted in Internet Information Services (IIS).
You have the following requirements:
- Create a new instance of the service every time that a client application calls the ProcessPayments method. - Process every call from client applications one at a time.
You need to complete the code for the WCF service.
Which four code segments should you use in sequence? (To answer, move the appropriate code segments from the list of code segments to the answer area and arrange them in the correct order.)

4. 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) CommunicationObject
B) ChannelFactory <TChannel>
C) ServiceHost
D) ClientRuntime

5. You develop a Windows Communication Foundation (WCF) service that contains the following code segment. (Line numbers are included for reference only.)

You need to ensure that all service endpoints are available to client applications. Which code segment should you insert at line 04?

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

Solutions: