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Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation Sample Questions:

1. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following code segment.

The service uses a transactional binding. The TransactionFlow property for the binding is set to True. You need to ensure that the MyMethod method meets the following requirements: Which code segment should you insert at line 04?

A) <OperationBehavior(TransactionScopeRequired:=False)> _ <TransactionFlow(TransactionFlowOption.Allowed)> _
B) <OperationBehavior(TransactionScopeRequired:=True)> _<TransactionFlow(TransactionFlowOption.Mandatory)> _
C) <OperationBehavior(TransactionScopeRequired:=False)> _ <TransactionFlow(TransactionFlowOption.Mandatory)> _
D) <OperationBehavior(TransactionScopeRequired:=True)> _ <TransactionFlow(TransactionFlowOption.Allowed)> _

2. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. You create a class named Customer for the WCF service. The Customer class has properties named Id, Name, and BalanceDue.
You plan to convert the Customer class into a data contract.
You need to ensure that only the Id property and the Name property are passed to the client applications.
Which code segment should you use?

A) <DataContract()> _
Public Class Customer
<DataMember()> _
Private Property Id() As Integer
...
End Property
<DataMember()> _
Public Property Name() As String ... End Property Public Property BalanceDue() As Double ... End Property End Class
B) <DataContract()> _ Public Class Customer <DataMember(EmitDefaultValue:=True)> _ Public Property Id() As Integer ... End Property <DataMember(EmitDefaultValue:=True)> _ Public Property Name() As String ... End Property <DataMember()> _ Friend Property BalanceDue() As Double ... End Property End Class
C) <DataContract()> _
Public Class Customer
Public Property Id() As Integer
...
End Property
Public Property Name() As String
...
End Property
Private Property BalanceDue() As Double
...
End Property
End Class
D) <DataContract()> _ Public Class Customer <DataMember()> _ Public Property Id() As Integer ... End Property <DataMember()> _ Public Property Name() As String ... End Property <DataMember(EmitDefaultValue:=False)> _ Public Property BalanceDue() As Double ... End Property End Class

3. You are creating a distributed application by using Microsoft .NET Framework 3.5. You use Windows Communication Foundation to create the application. You plan to perform the following tasks:
You write the following code segment.

You need to ensure that only those client applications that provide credentials belonging to the AdminGroup role can access the Remove method. What should you do?

A) Add the following attribute to the Service class. <PrincipalPermission(SecurityAction.
Demand, _ Name:="Remove", Role:="AdminGroup")> _
B) Add the following attribute to the Service class <PrincipalPermission(SecurityAction. Demand,_ Name:="IService. Remove", Role:="AdminGroup")> _
C) Add the following attribute to the Remove method of the Service class. <PrincipalPermission(SecurityAction.Demand, Role:="AdminGroup")> _
D) Add the following attribute to the Remove method of the IService interface. <PrincipalPermission(SecurityAction.Demand, Role:="AdminGroup")> _

4. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The WCF service will validate certificates to authorize client applications. You write the following code segment.
Class Store Implements IStore Public Sub RemoveOrder(ByVal ordered As Integer) Implements IStore.RemoveOrder End Sub
End Class
You need to ensure that only those client applications that meet the following criteria can access the RemoveOrder method:
What should you do?

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

5. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You need to ensure that data sent in a SOAP header is in the following XML format.

Which code segment should you use?

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

Solutions: