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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 creating a Windows Communication Foundation (WCF) service that implements the following service contract.
[ServiceContract]
public interface IOrderProcessing
{
[OperationContract]
void ApproveOrder(int id);
}
You need to ensure that only users with the Manager role can call the ApproveOrder method.
What should you do?

A) In the method body, create a new instance of WindowsClaimSet. Use the FindClaims method to locate a claimType named Role with a right named Manager.
B) In the method body, check the Rights.PossessProperty property to see if it contains Manager.
C) Add a SecurityPermission attribute to the method and set the SecurityAction to Demand.
D) Add a PrincipalPermission attribute to the method and set the Roles property to Manager.

2. You are developing a Windows Communication Foundation (WCF) service that allows customers to update financial data. The service contract is defined as follows. (Line numbers are included for reference only.)

You need to ensure that the service is invoked within a transaction.
What should you do?

A) Replace line 01 with the following code.
[ServiceContract(
SessionMode = SessionMode.NotAllowed)]
B) Insert the following code at line 08.
[ServiceBehavior(
TransactionAutoCompleteOnSessionClose = false)]
C) Insert the following code at line 08.
[ServiceBehavior(
ReleaseServiceInstanceOnTransactionComplete = false)]
D) Replace line 01 with the following code.
[ServiceContract( SessionMode = SessionMode.Required)]

3. 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 DataContractSerializer =
New DataContractSerializer(GetType(Item))
Dim item As Item -
DirectCast(s.ReadObject(response.GetResponsestrearn()), Item)
B) Dim f As BinaryFormatter = New BinaryFormatter()
Dim item As Item =
DirectCast(f-Deserialize(response.GetResponsestream()), 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 s As DataContractJsonSerlalizer =
New DataContractJsonSerlalizer(
GetType(Item))
Dim item As Item =
DirectCast(s.ReadObject(
response.GetResponsestrearn()), Item)

4. You develop a Window Communication Foundation (WCF) service. You have the following requirements: - Create a data contract to pass data between client applications and the service. - Create the data that is restricted and cannot pass between client applications and
the service. You need to implement the restricted data members. Which member access modifier should you use?

A) Static
B) Private
C) Protected
D) Public

5. You develop a Windows Communication Foundation (WCF) service to generate reports. Client applications call the service to initiate report generation but do not wait for the reports to be generated. The service does not provide any status to the client applications.
The service class is defined as follows. (Line numbers are included for reference only.)

You need to ensure that client applications can initiate reports without waiting for status.
Which two actions should you perform (Each correct answer presents part of the solution. Choose two.)

A) Remove line 08. At line 05, change the return type of GenerateReports method to void.
B) At line 05, change the GenerateReports method from private to public.
C) Insert the following code at line 04. [OperationContract(AsyncPattern=false)]
D) Insert the following code at line 04. [OperationContract(IsOneWay=true)]

Solutions: