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Exam : Microsoft 70-503VB
Title : TS: MS.NET Frmwrk 3.5, Wndws Commun Fndtion App Dev


1. You have created a Windows Communication Foundation service by using Microsoft .NET Framework 5.
The existing service interface is named IMyService, and contains the following code segment.
<ServiceContract(Name:="SvcOrder", _
Namespace:="http: //contoso.com/services")> _
Public Interface IMyService
<OperationContract()> _
Sub DoSomething()
End Interface
You create a new service named IMyServiceV1 that contains an operation named DoSomethingElse.
You need to ensure that existing client applications are still able to access the IMyService.DoSomething method without modifying client code.
Which code segment should you use?
A. <ServiceContract(Namespace:="http: //contoso.com/services/V1")> _
Public Interface IMyServiceV1
Inherits IMyService
<OperationContract()> _
Sub DoSomethingElse()
End Interface
B. <ServiceContract(Name:="SvcOrder")> _
Public Interface IMyServiceV1
Inherits IMyService
<OperationContract()> _
Sub DoSomethingElse()
End Interface
C. <ServiceContract(Name:="SvcOrderV1", _
Namespace:="http: //contoso.com/services")> _
Public Interface IMyServiceV1
Inherits IMyService
<OperationContract()> _
Sub DoSomethingElse()
End Interface
D. <ServiceContract(Name:="SvcOrder", _
Namespace:="http: //contoso.com/services")> _
Public Interface IMyServiceV1
Inherits IMyService
<OperationContract()> _
Sub DoSomethingElse()
End Interface
Answer: D

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

3. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
The service contains the following code segment.
<DataContract()> _
Public Class Person
...
End Class
<DataContract()> _
Public Class Customer
Inherits Person
...
End Class
You need to create a service contract that meets the following requirements:
·The service contract must have an operation contract named GetPerson that returns an object of type Person.
·The GetPerson operation must be able to return an object of type Customer.
Which code segment should you use?
A. <ServiceContract()> _
<ServiceKnownType("GetPerson")> _
Public Interface IMyService
<OperationContract()> _
Function GetPerson() As Person
End Interface
B. <ServiceContract()> _
Public Interface IMyService
<OperationContract()> _
<ServiceKnownType("Customer")> _
Function GetPerson() As Person
End Interface
C. <ServiceContract()> _
<ServiceKnownType(GetType(Customer))> _
Public Interface IMyService
<OperationContract()> _
Function GetPerson() As Person
End Interface
D. <ServiceContract()> _
<ServiceKnownType("GetPerson", GetType(Customer))> _
Public Interface IMyService
<OperationContract()> _
Function GetPerson() As Person
End Interface
Answer: C

4. 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

5. You create a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.
The WCF service contains two operations named ProcessSimpleOrder and ProcessComplexOrder.
You need to expose the ProcessSimpleOrder operation to all the client applications. You also need to expose the ProcessComplexOrder operation only to specific client applications.
Which code segment should you use?
A. <ServiceContract()> _
Public Interface IOrderManager
<OperationContract(Action:="*")> _
Sub ProcessSimpleOrder()
<OperationContract()> _
Sub ProcessComplexOrder()
End Interface
B. <ServiceContract()> _
Public Interface IOrderManager
<OperationContract(Name:="http: //contoso.com/Simple")> _
Sub ProcessSimpleOrder()
<OperationContract(Name:="http: //contoso.com/Complex")> _
Sub ProcessComplexOrder()
End Interface
C. <ServiceContract()> _
Public Interface ISimpleOrderManager
<OperationContract()> _
Sub ProcessSimpleOrder()
End Interface
<ServiceContract()> _
Public Interface IComplexOrderManager
Inherits ISimpleOrderManager
<OperationContract()> _
Sub ProcessComplexOrder()
End Interface
D. <ServiceContract()> _
Public Interface ISimpleOrderManager
<OperationContract(Name:="http: //contoso.com/Simple")> _
Sub ProcessSimpleOrder()
End Interface
Public Interface IComplexOrderManager
Inherits ISimpleOrderManager
<OperationContract(Name:="http: //contoso.com/Complex")> _
Sub ProcessComplexOrder()
End Interface
Answer: C

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