Microsoft 70-513 : TS: Windows Communication Foundation velopment with Microsoft .NET Framework 4

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Microsoft 70-513 Exam Syllabus Topics:

Microsoft TS: Windows Communication Foundation velopment with Microsoft .NET Framework 4 Sample Questions:

Question #1
A Windows Communication Foundation (WCF) service has a callback contract. You are developing a client application that will call this service.
You must ensure that the client application can interact with the WCF service.
What should you do?

A. On the client, create a proxy derived from DuplexClientBase(Of TChannel).
B. On the OperationContractAttribute, set the ReplyAction property value to the endpoint address of the client.
C. On the OperationContractAttribute, set the AsyncPattern property value to True.
D. On the client, use GetCallbackChannel (Of T).

Question #2
You are developing a Windows Communication Foundation (WCF) service to replace an existing ASMX Web service.
The WCF service contains the following code segment. (Line numbers are included for reference only.)

The existing Web service returns the EmployeeID as an attribute of the EmployeeInfo element in the response XML.
You need to ensure that applications can consume the service without code changes in the client.
What should you do?

A. Insert the following code at line 20.
<DataContractFormat()>
Insert the following code at line 22.
<DataMember()>
B. Insert the following code at line 02.
<XmlSerializerFormat()>
Insert the following code at line 22.
<XmlAtttibute()>
C. Insert the following code at line 02.
<DataConttactFormat()>
Insert the following code at line 22.
<DataMember ()>
D. Insert the following code at line 09.
<XmlSerializerFocmat()>
Insert the following code at line 22.
<XmlAttribute()>

Question #3
You are developing a client application that consumes a Windows Communication Foundation (WCF) service.
You use the svcutil.exe utility to create a proxy for the service.
You use the svcutil.exe switches that generate asynchronous calls. GetFlight is a service operation that takes no parameters and returns a string. The GetFlightCallback method must be called when the service operation returns.
You create an instance of the client proxy with the following code.
var client = new TravelServiceClient();
You need to ensure that a callback is received when the GetFlight operation is called asynchronously.
Which code segment should you use?

A. client.GetFlightCompleted += new EventHandler<GetFlightCompletedEventArgs>( GetFlightCallback); client.GetFlightAsync();
B. client.GetFlight(); client.BeginGetFlight(GetFlightCallback, null);
C. client.BeginGetFlight(GetFlightCallback, null); client.GetFlight();
D. IAsyncResult asyncResult = client.BeginGetFlight( GetFlightCallback, client); client.EndGetFlight(asyncResult);

Question #4
Four Windows Communication Foundation (WCF) services are hosted in Microsoft Internet Information Services (IIS). No behavior configuration exists in the web.config file.
You need to configure the application so that every service and endpoint limits the number of concurrent calls to 50 and the number of concurrent sessions to 25.
Which XML segment should you add to the system.serviceModel configuration section of the web.config file?

A. < behaviors>
< serviceBehaviors >
<behavior name="default">
< serviceThrottling maxConcurrentCalls ="50" maxConcurrentSessions ="25"/>
</behavior>
</ serviceBehaviors >
</behaviors>
B. <behaviors>
< serviceBehaviors >
<behavior name=" ALL ">
< serviceThrottling maxConcurrentCalls ="50" maxConcurrentSessions ="25"/>
</behavior>
</ serviceBehaviors >
</behaviors>
C. <behaviors>
< serviceBehaviors >
<behavior name="">
< serviceThrottling maxConcurrentCalls ="50" maxConcurrentSessions ="25"/>
</behavior>
</ serviceBehaviors >
</behaviors>
D. <behaviors>
< serviceBehaviors >
< behavior name= " * " >
< serviceThrottling maxConcurrentCalls ="50" maxConcurrentSessions ="25"/>
</behavior>
</ serviceBehaviors >
</behaviors>

Question #5
The endpoint of a Windows Communication Foundation (WCF) service uses basicHttpBinding for its binding. Your company's policies have changed to require that messages not be sent in clear text.
You must ensure that all messages are encrypted when traveling across the network.
What should you do?

A. Set the PrincipalPermissionAttribute on the service contract and update the bindingConfiguration attribute in the endpoint element of the configuration file to
wsHttpBinding.
B. Set the ProtectionLevel property on the service contract and update the binding attribute in the endpoint element of the configuration file to wsHttpBinding.
C. Set the PrincipalPermissionAttribute on the service contract and update the binding attribute in the endpoint element of the configuration file to wsHttpBinding.
D. Set the ProtectionLevel property on the service contract and update the bindingConfiguration attribute in the endpoint element of the configuration file to webHttpBinding.

Solutions: