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Microsoft TS: Windows Communication Foundation velopment with Microsoft .NET Framework 4 認定 70-513 試験問題:

1. A Windows Communication Foundation (WCF) service handles online order processing for your company.
You discover that many requests are being made with invalid account numbers. You create a class named AccountNumberValidator that has a method named Validate.
Before the message is processed, you need to validate account numbers with AccountNumberValidator and reject messages with invalid account numbers.
You create a new class that implements the IParameterInspector interface. Which code segment should you use in this class?

A) Public Sub AfterCall(
ByVal operationName As String,
ByVal outputs() As Object,
ByVal returnValue As Object,
ByVal correlationState As Object) _
Implements IParameterInspector.AfterCall
Return
End Sub
Public Function BeforeCall(
ByVal operationName As String,
ByVal inputs() As Object) As Object _
Implements IParameterInspector.BeforeCall Dim accountNumber As String =
GetAccountNumber(inputs)
Dim validator As AccountNumberValidator =
New AccountNumberValidator()
If (Not validator.Validate(accountNumber)) Then
Return New FaultException()
End If
End Function
B) Public Sub AfterCall(
ByVal operationName As String,
ByVal outputs() As Object,
ByVal returnValue As Object, ByVal correlationState As Object) _ Implements IParameterInspector.AfterCall Dim accountNumber As String = GetAccountNumber(outputs) Dim validator As AccountNumberValidator = New AccountNumberValidator() If (Not validator.Validate(accountNumber)) Then returnValue = New FaultException() End If End Sub Public Function BeforeCall( ByVal operationName As String, ByVal inputs() As Object) As Object _ Implements IParameterInspector.BeforeCall Return Nothing End Function
C) Public Sub AfterCall(
ByVal operationName As String,
ByVal outputs() As Object,
ByVal returnValue As Object,
ByVal correlationState As Object) _ Implements
IParameterInspector.AfterCall
Dim accountNumber As String = GetAccountNumber(outputs)
Dim validator As
AccountNumberValidator = New AccountNumberValidator()
If (Not validator.Validate(accountNumber)) Then
Throw New FaultException()
End If
End Sub
Public Function BeforeCall(
ByVal operationName As String,
ByVal inputs() As Object) As Object _
Implements IParameterInspector.BeforeCall
Return Nothing
End Function
D) Public Sub AfterCall(
ByVal operationName As String,
ByVal outputs() As Object,
ByVal returnValue As Object,
ByVal correlationState As
Object) _
Implements IParameterInspector.AfterCall
Return
End Sub
Public Function BeforeCall(
ByVal operationName As String,
ByVal inputs() As Object) As Object _
Implements IParameterInspector.BeforeCall
Dim accountNumber As String = GetAccountNumber(inputs)
Dim validator As AccountNumberValidator = New AccountNumberValidator() If (Not
validator.Validate(accountNumber)) Then
Throw New FaultException()
End If
Return Nothing
End Function

2. A Windows Communication Foundation (WCF) application exposes a service as a SOAP endpoint for consumption by cross-platform clients. During integration testing, you find that one of the clients is not generating the correct messages to the WCF application.
In order to debug the issue and fix the communication, you need to configure the service to log messages received from the client.
What should you do?

A) Set an etwTracking behavior on the service and configure a listener for the System.ServiceModel trace source.
B) Set an etwTracking behavior on the service and configure a listener for the System.ServiceModel.MessageLuqqing trace source.
C) Enable messageLogging in the System.ServiceModel diagnostics element configuration and configure a listener for the System.ServiceModel.MessageLogging trace source.
D) Enable messageLogging in the System.ServiceModel diagnostics element configuration and configure a listener for the System.ServiceModel trace source.

3. You are developing a client that sends several types of SOAP messages to a Windows Communication Foundation (WCF) service method named PostData.
PostData is currently defined as follows.
[OperationContract]
void PostData(Order data);
You need to modify PostData so that it can receive any SOAP message.
Which code segment should you use?

A) [OperationContract(IsOneWay = true, Action = "*", ReplyAction = "*")] void PostData(BodyWriter data);
B) [OperationContract] void PostData(BodyWriter data);
C) [OperationContract(IsOneWay = true, Action = "*", ReplyAction = "*")] void PostData(Order data);
D) [OperationContract] void PostData(Message data);

4. You are consuming a Windows Communication Foundation (WCF) service. The service interface is defined as follows.
<DataContract(Namespace:="")> Public Class Item End Class ServiceContract (Namespace: ="") > Public Interface ICatalog <OperationContract()> <WebInvoke(Method:="POST*', UriTemplate:="/Item") > Function Updateltem(ByVal item As Item) As Item
End Interface
The client application receives a WebResponse named response with the response from the service.
You need to deserialize this response into a strongly typed object representing the return value of the method.
Which code segment should you use?

A) Dim s As DataContractJsonSerlalizer =
New DataContractJsonSerlalizer(
GetType(Item))
Dim item As Item =
DirectCast(s.ReadObject(
response.GetResponsestrearn()), Item)
B) Dim s As DataContractSerializer =
New DataContractSerializer(GetType(Item))
Dim item As Item -
DirectCast(s.ReadObject(response.GetResponsestrearn()), Item)
C) Dim r As XmlDictionaryReader =
JsonReaderUriterFactory.CreateJsonReader(
response.GetResponseStream(),
XmlDictionaryReaderQuotas.Max)
Dim s As DataContractSerializer =
New DataContractSerializer(GetType(Item)
Dim item As Item = DirectCast(s.ReadObject(r), Item)
D) Dim f As BinaryFormatter = New BinaryFormatter()
Dim item As Item =
DirectCast(f-Deserialize(response.GetResponsestream()), Item)

5. You are developing a Windows Communication Foundation (WCF) service.
You need to enable security auditing for all events.
What should you do?

A) Set the serviceAuthorizationAuditLevel setting to Success and the messageAuthenticationAuditLevel setting to Success.
B) Set the messageAuthenticationAuditLevel setting to SuccessAndFailure and the auditLogLocation setting to Security.
C) Set the messageAuthenticationAuditLevel setting to Success and the auditLogLocation setting to Application.
D) Set the serviceAuthorizationAuditLevel setting to SuccessAndFailure and the messageAuthenticationAuditLevel setting to SuccessAndFailure.

質問と回答：