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Microsoft 70-513 Exam Syllabus Topics:

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

1. You are developing a Windows Service. The Windows Service will host a Windows Communication Foundation (WCF) service.
The Windows Service class will inherit from ServiceBase.
You need to ensure that the WCF service starts when the Windows Service is restarted.
What should you do in the Windows Service class?

A) Override the OnStart method and create and open a new ServiceHost.
Override the OnStop method and close the ServiceHost.
B) Override the OnPowerEvent method and open a new ServiceHost.
Override the OnShutdown method and close the ServiceHost.
C) Create a public method named Main.
Create a new ServiceHost in the Main method.
Override the OnShutdown method and close the ServiceHost.
D) Override the OnContinue method and open a new ServiceHost.
Override the OnStop method and close the ServiceHost.

2. DRAG DROP
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.
You need to add code to the console application to host the WCF 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.)

3. A Windows Communication Foundation (WCF) solution exposes the following service over a TCP binding. (Line numbers are included for reference only.)

MessageDatabase supports a limited number of concurrent executions of its methods.
You need to change the service to allow up to the maximum number of executions of the methods of MessageDatabase. This should be implemented without preventing customers from connecting to the service.
What should you do?

A) Add a throttling behavior to the service, and configure the maxConcurrentCalls.
B) Change the service behavior as follows.
<ServiceBehavior(ConcurrencyMode:=ConcurrencyMode.Multiple, InstanceContextMode:=InstanceContextMode.Single)>
C) Add a throttling behavior to the service, and configure the maxConcurrentSessions.
D) Change the service behavior as follows. <ServiceBehavior(ConcurrencyMode:=ConcurrencyMode.Single, InstanceContextMode:=InstanceContextMode.PerSession)>

4. You are consuming a Windows Communication Foundation (WCF) service. The service interface is defined as follows.
[DataContract(Namespace = "")]
public class Item
{
...
}
[ServiceContract(Namespace = "")]
public interface ICatalog
{
[OperationContract]
[WebInvoke(Method = "POST", UriTemplate = "/Item")]
Item UpdateItem(Item item);
}
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) DataContractSerializer s = new DataContractSerializer(typeof(Item));
Item item = s.ReadObject(response.GetResponseStream()) as Item;
BinaryFormatter f = new BinaryFormatter();
B) Item item = f.Deserialize(response.GetResponseStream()) as Item;
XmlDictionaryReader r = JsonReaderWriterFactory.CreateJsonReader(
response.GetResponseStream(),
XmlDictionaryReaderQuotas.Max);
C) DataContractSerializer s = new DataContractSerializer(typeof(Item));
Item item = s.ReadObject(r) as Item;
D) DataContractJsonSerializer s = new DataContractJsonSerializer(typeof(Item));
Item item = s.ReadObject(response.GetResponseStream()) as Item;

5. 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) msmqIntegrationTransport and textMessageEncoding in this order
C) msmqTransport and textMessageEncoding in this order
D) textMessageEncoding and msmqIntegrationTransport in this order

Solutions: