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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 191
You are creating a Windows Communication Foundation (WCF) service.
You need to ensure that the service is compatible with ASP.NET to make use of the session state.
Which binding should you use?
A. NetTcpContextBinding
B. BasicHttpContextBinding
C. NetTcpBinding
D. NetMsmqBinding
Answer: B
QUESTION 192
A Windows Communication Foundation (WCF) solution uses the following contracts. (Line numbers are included for reference only.)
When the client calls GetMessage on the service interface, the service calls GetName on the client callback.
In the client, the class NameService implements the callback contract.
The client channel is created as follows.
You need to ensure that the service callback is processed by the instance of NameService.
What are two possible ways to achieve this goal? (Each correct answer presents a complete solution. Choose two.)
A. Change line 25 to the following code segment.
Dim factory As DuplexChannelFactory(Of IGreetingService) =
New DuplexChannelFactory(Of IGreetingService)(
callbackContext, binding, address)
B. Change line 26 to the following code segment.
Dim greetingService As IGreetingService =
factory.CreateChannel(callbackContext)
C. Add the following code segment after line 26.
callbackContext.IncomingChannels.Add(
DirectCast(greetingService, IDuplexChannel))
D. Add the following code segment after line 26.
callbackContext.OutgoingChannels.Add(
DirectCast(greetingService, IDuplexChannel))
Answer: AB
QUESTION 193
You are modifying a Windows Communication Foundation (WCF) service that provides access to report generation system.
The following code segment is part of your service contract. (Line numbers are included for reference only.)
Client applications are blocked while the service processes reports.
You need to ensure that the service methods are asynchronous.
What should you do?
A. Insert the following code at line 04.
[OperationContract]
Insert the following code at line 07.
[OperationConcracc(AsyncPactern = true)]
B. Insert the following code at line 04.
[OperationConcracc(AayncPaccern = true)]
C. Insert the following code at line 04.
[OperotionConcroct(AsyncPactern = false)
Insert the following code at line 07.
[OperacionConcracc(AsyncPactern = true)]
D. Insert the following code at line 04.
[OperationContract (AsyncPattern = false)]
Answer: B
QUESTION 194
You have a secured Windows Communication Foundation (WCF) service.
You need to track unsuccessful attempts to access the service.
What should you do?
A. Set the serviceAuthorizationManagerType attribute of the serviceAuthorization behavior to
Message.
B. Set the includeExceptionDetaillnFaults attribute of the serviceDebug behavior to true.
C. Set the Mode attribute of the security configuration element to Message.
D. Set the messageAuthenticationAuditLevel attribute of the serviceSecurityAudit behavior to
Failure.
Answer: D
QUESTION 195
You have a Windows Communication Foundation (WCF) service that accepts the following message contract.
You need to ensure that the client sends a SOAP body that is accepted by the service.
A. <Ticket xmlns=”http://www.movies. com”>
<NumberOfSeats
xmlns=”http : //www.movietheater . com”>
</NumberOfSeats>
<ReservationName xmlns=”http://www.movietheater .com” />
<ShowTime
xmlns=”http://www.movietheater.com”>
2010-07-05T00:SI:10.0999304-05:00
</ShowTime>
</Ticket>
B. <Ticket xmlns=”http://www.movietheater.com”>
<ShowTime
xmlns=”http : //www.movietheater . com”>
2010-07-05T00:51:10.0999304-05:00
</ShowTime>
<ReservationName xmlns=”http://www.movietheater.com” />
<NumberOfSeats
xmlns=”http://www.movietheater.com”>
</NumberOfSeats>
</Ticket>
C. <Ticket xmlns=”http://wwv.movies.com”>
<ShowTime
xmlns-“http://www.movietheatec.com”>
2010-07-05TOO:51:10.0999304-05:00
</ShowTime>
<Number Of Seats
xmlns=”http://www.movietheater.com”> 0
</NumbecOfSeats>
<ReservationName xmlns””http://www.movietheotec.com” />
</Ticket>
D. <Ticket xmlns=”http://www. movietheatec.com”>
<ShowTime
xmlns-“http://www.movietheater.com”>
2010-07-05TOO:51:10.0999304-05:00
</ShowTime>
<NumberOfSeats
xmlns=”http://wwv.movietheatec.com”> 0
</NumberOfSeats>
<ReservationName
xmlns=”http://www.movletheatec.com” />
</Ticket>
Answer: C
QUESTION 196
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 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)
B. Dim s As DataContractSerializer =
New DataContractSerializer(GetType(Item))
Dim item As Item –
DirectCast(s.ReadObject(response.GetResponsestrearn()), Item)
C. Dim s As DataContractJsonSerlalizer =
New DataContractJsonSerlalizer(
GetType(Item))
Dim item As Item =
DirectCast(s.ReadObject(
response.GetResponsestrearn()), Item)
D. Dim f As BinaryFormatter = New BinaryFormatter() Dim item As Item =
DirectCast(f-Deserialize(response.GetResponsestream()), Item)
Answer: C
QUESTION 197
Your company has a Windows Communication Foundation (WCF) service at the URL http://services.contoso.com/OrderLookupService.svc.
The <system.serviceModel> section of the configuration file is as follows. (Line numbers are included for reference only.)
01 <system.serviceModel>
02 <behaviors>
03 <serviceBehaviors>
04 <behavior>
05 <serviceDebug includeExceptionDetailInFaults=”false” />
06 …
07 </behavior>
08 </serviceBehaviors>
09 </behaviors>
10 <serviceHostingEnvironment multipleSiteBindingsEnabled=”true” />
11 </system.serviceModel>
You need to ensure that the service publishes the WSDL description at http://services.contoso.com/OrderLookupService.svc?wsdl.
What should you do?
A. Change the serviceDebug element at line 05 as follows.
<serviceDebug includeExceptionDetailInFaults=”true” />
B. Insert the following element at line 06.
<serviceDiscovery>
<announcementEndpoints>
<endpoint name=”wsdlAnnouncement”
kind=”udpAnnouncementEndpoint” />
</announcementEndpoints>
</serviceDiscovery>
C. Insert the following element at line 06.
<serviceMetadata httpGetEnabled=”true” />
D. Insert the following element at line 06.
<serviceMetadata httpGetEnabled=”false” />
Answer: C
QUESTION 198
An ASP.NET application hosts a RESTful Windows Communication Foundation (WCF) service at /Services/Contoso.svc.
The service provides a JavaScript resource to clients.
You have an explicit reference to the JavaScript in your page markup as follows.
<script type=”text/javaScript” src=”/Services/Contoso.svc/js” />
You need to retrieve the debug version of the service JavaScript.
What should you do?
A. In the <%@ ServiceHost %> header for /Services/Contoso.svc, set the Debug attribute to
true.
B. In the <%@ Page %> header, set the Debug attribute to true.
C. In the script tag, add a debug attribute and set its value to true.
D. In the script tag, append debug to the src attribute.
Answer: D
QUESTION 199
A Windows Communication Foundation (WCF) application uses the following data contract.
You need to ensure that the following XML segment is generated when the data contract is serialized.
Which code segment should you use?
A. [DataMember]
public string firstName;
[DataMember]
public string lastName;
[DataMember(EmitDefaultValue = true)]
public int age = 0;
[DataMember(EmitDefaultvValue = true)]
public int ID = 999999999;
B. [DataMember(EmitDefaultValue = false)]
public string firstName = null;
[DataMember(EmitDefaultValue = false)]
public string lastName = null;
[DataMember(EmitDefaultValue = true)]
public int age = -1;
[DataMember(EmitDefaultValue = false)]
public int ID = 999999999;
C. [DataMember(EmitDefaultValue = true)]
public string firstName;
[DataMember(EmitDefaultValue = true)]
public string lastName;
[DataMember(EmitDefaultValue = false)]
public int age = -1;
[DataMember(EmitDefaultValue = false)]
public int ID = 999999999;
D. [DataMember]
public string firstName = null;
[DataMember]
public string lastName = null;
[DataMember(EmitDefaultValue = false)]
public int age = 0;
[DataMember(EmitDefaultValue = false)]
public int ID = 999999999;
Answer: D
QUESTION 200
Drag and Drop Question
You develop a Windows Communication Foundation (WCF) service that is hosted within a console application.
The service implements the IRegistrationService interface in a class named RegistrationService. The service uses the following endpoint URL:
http://localhost:8080/registrationservice/basic
You need to configure the console application to host the service.
How should you complete the relevant code? (To answer, drag the appropriate code segment to the correct location in the answer area. Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)
Answer:
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