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Updated Microsoft 70-503VB Exam

1. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You write the following code segment.
Namespace MyServices
  <ServiceContract()>Interface IManageOrders
    ...
  End Interface
End Namespace
The service metadata must be exposed at the relative address named meta.
You need to add an endpoint element to the app.config file of the service host.
Which code fragment should you add?
A. <endpoint address="meta" binding="wsHttpBinding" _
contract="IManageOrders" />
B. <endpoint address="meta" binding="wsHttpBinding" _
contract="MyServices.IMetadataExchange" />
C. <endpoint address="meta" binding="mexHttpBinding" _
contract="IMetadataExchange" />
D. <endpoint address="meta" binding="mexHttpBinding" _
contract="MyServices.IManageOrders" />
Answer: C

2. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You have successfully created two interfaces: IMyService and IMyServiceClient.
You need to ensure that the service is able to call methods from the client application by using the IMyServiceClient interface.
Which code segment should you use?
A. <ServiceContract(CallbackContract:=GetType(IMyServiceClient))> _
Public Interface IMyService
  ...
End Interface
Public Interface IMyServiceClient
  ...
End Interface
B. <ServiceContract(CallbackContract:=GetType(IMyService))> _
Public Interface IMyService
  ...
End Interface
Public Interface IMyServiceClient
  ...
End Interface
C. <ServiceContract(SessionMode:=SessionMode.Allowed)> _
<ServiceKnownType(GetType(IMyServiceClient))> _
Public Interface IMyService
  Inherits IMyServiceClient
  ...
End Interface
Public Interface IMyServiceClient
  ...
End Interface
D. <ServiceContract()> _
<ServiceKnownType(GetType(IMyServiceClient))> _
Public Interface IMyService
  Inherits IMyServiceClient
  ...
End Interface
Public Interface IMyServiceClient
  ...
End Interface
Answer: A

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