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Exam Code: 70-513
Exam Name: TS: Windows Communication Foundation Development with Microsoft .NET Framework 4
Certification Provider: Microsoft
Corresponding Certifications: MCPD, MCPD: Web Developer 4, MCPD: Windows Developer 4, MCTS, MCTS: Microsoft .NET Framework 4, Service Communication Applications

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QUESTION 231
Drag and Drop Question
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.)

Answer:


QUESTION 232
Hotspot Question
You are developing a Windows Communication Foundation (WCF) service.
You implement a data contract to pass complex data to and from the service.
The service includes the following code:

You need to verify the order in which the data is serialized.
For each of the following statements, select True if the statement is true. Otherwise, select False.

Answer:


QUESTION 233
You develop a Windows Communication Foundation (WCF) service that interacts with Microsoft Message Queuing (MSMQ).
The service requires sessions.
You need to create a custom binding that enables messages sent to the queue to be viewed when you are using a listener tool.
Which binding elements should you use?

A.    textMessageEncoding and msmqTransport in this order.
B.    textMessageEncoding and msmqIntegrationTransport in this order.
C.    msmqTransport and textMessageEncoding in this order.
D.    msmqIntegrationTransport and textMessageEncoding in this order.

Answer: A

QUESTION 234
A Windows Communication Foundation (WCF) service handles online order processingyou’re 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
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
B.    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
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
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
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
Return New FaultException()
End If
End Function

Answer: C

QUESTION 235
You are developing a Windows Communication Foundation (WCF) service that contains the following operation contract.
<OperationContract()>
Function GetCustomerNames() As CustomerNames
The operation returns customer names.
You need to develop a definition for the operation contract that produces XML with the following structure.

Which code segment should you use

A.    <MessageContract(IsWrapped:=False)>
Public Class CustomerNames
B.    <MessageBodyMember()>
Public Names() As String
End Class
C.    <MessageContract(WrapperName:=””)>
Public Class CustomerNames
D.    <MessageBodyMember()>
Public Names() As String
End Class
E.    <DataContract()>
Public Class CustomerNames
<DataMember ()>
Public Names () As String
End Class
F.    <DataContract()>
Public Class CustomerNames
<DataMember(IsRequired:=False)>
Public Names() As String
End Class

Answer: A

QUESTION 236
Your company has an existing Windows Communication Foundation (WCF) service.
The following code segment is part of the service. (Line numbers are included for reference only.)

You need to ensure that AJAX client applications can access the service.
Which code segment should you insert at line 02?


A.    Option A
B.    Option B
C.    Option C
D.    Option D

Answer: A

QUESTION 237
You implement a Windows Communication Foundation (WCF) service.
The service is hosted in Internet Information Services (IIS).
The service must use X.509 certificates to authorize specific methods.
You need to configure the service.
What should you do? (Each correct answer presents part of the solution. Choose two.)

A.    Set the value of the Name property of the PrincipalPermissionAttribute to the identity of the
certificate.
B.    Set the value of the ControlEvidence property of the SecurityPermissionAttribute to the identity
of the certificate.
C.    In the web.config file for the service, in the serviceAuthorization element, set the value of the
PrincipalPermissionMode attribute to UseAspNetRoles.
D.    In the web.config file for the service, in the serviceAuthorization element, set the value of the
PrincipalPermissionMode attribute to UseWindowsGroups.

Answer: AC

QUESTION 238
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.

Answer: C

QUESTION 239
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>
Sub PostData(Byval data As Order)
You need to modify PostData so that it can receive any SOAP message.
Which code segment should you use?

A.    <OperationContract(lsOneWay True, Action ReplyAction `-)>
Sub PostData(ByVal data As Order)
B.    OperationContract(lsOneway: zTrue, Action:z’-‘, ReplyAction: z”-‘)>
Sub PostData(ByVal data As BodyWriter)
C.    <OperationContract> Sub PostData(Byval data As BodyWriter)
D.    <OperationContract0> Sub PostData(ByVal data As Message)

Answer: A

QUESTION 240
You create a service and deploy it on a network in a building named Building1.
You will deploy the service to Building2.
The service in Building1 is configured using the following discovery scopes.

The service in Building2 will be configured using the following discovery scopes.

You need to ensure that the client application can discover the service in Building1 or the service in Building2.
Which scopes should you add to the client configuration file?

A.    <scopes>
   <add scope=”http://contoso.com/Chicago/*”/>
</scopes>
B.    <scopes>
   <add scope=”http://contoso.com/Chicago”/>
</scopes>
C.    <scopes>
   <add scope=”ldap:///ou=Building,ou=Chicago,o=contoso,c=us”/>
</scopes>
D.    <scopes>
   <add scope=”ldap:///ou=*,o=contoso,c=us”/>
</scopes>

Answer: B


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