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Exam : Microsoft 70-503VB
Title : TS: MS.NET Frmwrk 3.5, Wndws Commun Fndtion App Dev


1. You create a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.
The WCF service contains two operations named ProcessSimpleOrder and ProcessComplexOrder.
You need to expose the ProcessSimpleOrder operation to all the client applications. You also need to expose the ProcessComplexOrder operation only to specific client applications.
Which code segment should you use?
A. <ServiceContract()> _
Public Interface IOrderManager
<OperationContract(Action:="*")> _
Sub ProcessSimpleOrder()
<OperationContract()> _
Sub ProcessComplexOrder()
End Interface
B. <ServiceContract()> _
Public Interface IOrderManager
<OperationContract(Name:="http: //contoso.com/Simple")> _
Sub ProcessSimpleOrder()
<OperationContract(Name:="http: //contoso.com/Complex")> _
Sub ProcessComplexOrder()
End Interface
C. <ServiceContract()> _
Public Interface ISimpleOrderManager
<OperationContract()> _
Sub ProcessSimpleOrder()
End Interface
<ServiceContract()> _
Public Interface IComplexOrderManager
Inherits ISimpleOrderManager
<OperationContract()> _
Sub ProcessComplexOrder()
End Interface
D. <ServiceContract()> _
Public Interface ISimpleOrderManager
<OperationContract(Name:="http: //contoso.com/Simple")> _
Sub ProcessSimpleOrder()
End Interface
Public Interface IComplexOrderManager
Inherits ISimpleOrderManager
<OperationContract(Name:="http: //contoso.com/Complex")> _
Sub ProcessComplexOrder()
End Interface
Answer: C

2. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You write the following code segment.
Namespace MyServices
<ServiceContract()>Interface IManageOrders
...
End Interface
End Namespace
The service metadata must be exposed at the relative address named meta.
You need to add an endpoint element to the app.config file of the service host.
Which code fragment should you add?
A. <endpoint address="meta" binding="wsHttpBinding" _
contract="IManageOrders" />
B. <endpoint address="meta" binding="wsHttpBinding" _
contract="MyServices.IMetadataExchange" />
C. <endpoint address="meta" binding="mexHttpBinding" _
contract="IMetadataExchange" />
D. <endpoint address="meta" binding="mexHttpBinding" _
contract="MyServices.IManageOrders" />
Answer: C

3. You have created a Windows Communication Foundation service by using Microsoft .NET Framework 5.
The existing service interface is named IMyService, and contains the following code segment.
<ServiceContract(Name:="SvcOrder", _
Namespace:="http: //contoso.com/services")> _
Public Interface IMyService
<OperationContract()> _
Sub DoSomething()
End Interface
You create a new service named IMyServiceV1 that contains an operation named DoSomethingElse.
You need to ensure that existing client applications are still able to access the IMyService.DoSomething method without modifying client code.
Which code segment should you use?
A. <ServiceContract(Namespace:="http: //contoso.com/services/V1")> _
Public Interface IMyServiceV1
Inherits IMyService
<OperationContract()> _
Sub DoSomethingElse()
End Interface
B. <ServiceContract(Name:="SvcOrder")> _
Public Interface IMyServiceV1
Inherits IMyService
<OperationContract()> _
Sub DoSomethingElse()
End Interface
C. <ServiceContract(Name:="SvcOrderV1", _
Namespace:="http: //contoso.com/services")> _
Public Interface IMyServiceV1
Inherits IMyService
<OperationContract()> _
Sub DoSomethingElse()
End Interface
D. <ServiceContract(Name:="SvcOrder", _
Namespace:="http: //contoso.com/services")> _
Public Interface IMyServiceV1
Inherits IMyService
<OperationContract()> _
Sub DoSomethingElse()
End Interface
Answer: D

4. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5.
You configure a binding to enable streaming.
You need to ensure that the client application is able to stream large XML files to the WCF service.
Which operation contract should you create?
A. <OperationContract()> _
Sub UploadFile(ByVal xmlData As Stream)
B. <OperationContract()> _
Sub UploadFile(ByVal xmlData As XmlWriter)
C. <OperationContract()> _
Sub UploadFile(ByVal xmlData As StreamWriter)
D. <OperationContract()> _
Sub UploadFile(ByVal xmlData As Byte())
Answer: A

5. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You write the following code segment. (Line numbers are included for reference only.)
01 <ServiceContract(SessionMode:=SessionMode.Required)> _
02 Public Interface IOrderManager
03
04 Sub CloseOrder()
05 End Interface
You need to decorate the operation as the method that closes the current session.
Which code segment should you insert at line 03?
A. <OperationContract(IsInitiating:=False)> _
B. <OperationContract(IsTerminating:=True)> _
C. <OperationContract()> _
<OperationBehavior( _
ReleaseInstanceMode:=ReleaseInstanceMode.AfterCall)> _
D. <OperationContract(IsTerminating:=False)> _
<OperationBehavior( _
ReleaseInstanceMode:=ReleaseInstanceMode.AfterCall)> _
Answer: B

6. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You need to ensure that data sent in a SOAP header is in the following XML format.
<Data>
<string>String 1</string>
<string>String 2</string>
<string>String 3</string>
</Data>
Which code segment should you use?
A. <MessageContract()> _
Public Class MyMessage
<MessageHeader()> _
Public Data() As String
End Class
B. <MessageContract()> _
Public Class MyMessage
<MessageHeaderArray()> _
Public Data() As String
End Class
C. <MessageContract()> _
Public Class MyMessage
<MessageProperty()> _
Public Data() As String
End Class
D. <MessageContract()> _
Public Class MyMessage
<MessageBodyMember(Order:=0)> _
Public Data() As String
End Class
Answer: A

7. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
The service contains the following code segment.
<DataContract()> _
Public Class Person
...
End Class
<DataContract()> _
Public Class Customer
Inherits Person
...
End Class
You need to create a service contract that meets the following requirements:
·The service contract must have an operation contract named GetPerson that returns an object of type Person.
·The GetPerson operation must be able to return an object of type Customer.
Which code segment should you use?
A. <ServiceContract()> _
<ServiceKnownType("GetPerson")> _
Public Interface IMyService
<OperationContract()> _
Function GetPerson() As Person
End Interface
B. <ServiceContract()> _
Public Interface IMyService
<OperationContract()> _
<ServiceKnownType("Customer")> _
Function GetPerson() As Person
End Interface
C. <ServiceContract()> _
<ServiceKnownType(GetType(Customer))> _
Public Interface IMyService
<OperationContract()> _
Function GetPerson() As Person
End Interface
D. <ServiceContract()> _
<ServiceKnownType("GetPerson", GetType(Customer))> _
Public Interface IMyService
<OperationContract()> _
Function GetPerson() As Person
End Interface
Answer: C

8. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You write the following code segment.
<ServiceContract()> _
Public Interface IMathService
<OperationContract()> _
Function AddNumbers( _
ByVal a As Integer, ByVal b As Integer) As Integer
Function AddNumbers( _
ByVal a As Double, ByVal b As Double) As Double
End Interface
You have not deployed the IMathService service.
You need to expose the AddNumbers (a As Double, b As Double) As Double operation to the IMathService service contract.
Which code segment should you use?
A. <OperationContract()> _
Function AddNumbers( _
ByVal a As Integer, ByVal b As Integer) As Integer
<OperationContract()> _
Function AddNumbers( _
ByVal a As Double, ByVal b As Double) As Double
B. <OperationContract(Name:="AddInt")> _
Function AddNumbers( _
ByVal a As Integer, ByVal b As Integer) As Integer
<OperationContract(Name:="AddDouble")> _
Function AddNumbers( _
ByVal a As Double, ByVal b As Double) As Double
C. <OperationContract(Action:="IMathService/AddInt")> _
Function AddNumbers( _
ByVal a As Integer, ByVal b As Integer) As Integer
<OperationContract(Action:="IMathService/AddDouble")> _
Function AddNumbers( _
ByVal a As Double, ByVal b As Double) As Double
D. <OperationContract(Action:="AddInt/*")> _
Function AddNumbers( _
ByVal a As Integer, ByVal b As Integer) As Integer
<OperationContract(Action:="AddDouble/*")> _
Function AddNumbers( _
ByVal a As Double, ByVal b As Double) As Double
Answer: B

9. You create a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5.
You write the following code segment. (Line numbers are included for reference only.)
01 Public Interface IMyService
02
03 Function ProcessString(ByVal name As String) As String
04 End Interface
You create a host for the WCF service. You also create a service endpoint at http: //localhost:8080/service. You add an instance of the HttpTransferEndPointBehavior class to the host.
You need to ensure that the ProcessString method can be invoked from a Web browser by using the URL http: //localhost:8080/service/process?name=value
Which code segment should you insert at line 02?
A. <OperationContract(Name:="process", Action:="Get")> _
B. <OperationContract(Name:="process", Action:="Post")> _
C. <OperationContract()> _
<HttpTransferContract(Path:="process", Method:="Get")> _
D. <OperationContract()> _
<HttpTransferContract(Path:="process", Method:="Post")> _
Answer: C

10. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You need to ensure that the service can send data in the following format to the client applications.
<Account Id="">
<Name> </Name>
<Balance Currency=""> </Balance>
</Account>
Which code segment should you use?
A. <Serializable()> _
Public Class Account
<XmlAttribute()> _
Public Id As String
<XmlElement()> _
Public Name As String
<XmlAttribute()> _
Public Currency As String
<XmlElement()> _
Public Balance As Double
End Class
B. <DataContract()> _
Public Class Account
<DataMember(Order:=0)> _
Public Id As String
<DataMember(Order:=1)> _
Public Name As String
<DataMember(Order:=0)> _
Public Balance As Double
<DataMember(Order:=1)> _
Public Currency As String
End Class
C. <Serializable()> _
Public Class Account
<XmlAttribute()> _
Public Id As String
Public Name As String
<XmlElement("Balance")> _
Public Balance As BalanceVal
End Class
<Serializable()> _
Public Class BalanceVal
<XmlText()> _
Public Amount As Double
<XmlAttribute()> _
Public Currency As String
End Class
D. <DataContract()> _
Public Class Account
<DataMember(Order:=0)> _
Public Id As String
<DataMember(Order:=1)> _
Public Name As String
<DataMember(Name:="Balance", Order:=2)> _
Public Balance As BalanceVal
End Class
<DataContract()> _
Public Structure BalanceVal
<DataMember(Order:=0)> _
Public Amount As Double
<DataMember(Order:=1)> _
Public Currency As String
End Structure
Answer: C

11. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You have successfully created two interfaces: IMyService and IMyServiceClient.
You need to ensure that the service is able to call methods from the client application by using the IMyServiceClient interface.
Which code segment should you use?
A. <ServiceContract(CallbackContract:=GetType(IMyServiceClient))> _
Public Interface IMyService
...
End Interface
Public Interface IMyServiceClient
...
End Interface
B. <ServiceContract(CallbackContract:=GetType(IMyService))> _
Public Interface IMyService
...
End Interface
Public Interface IMyServiceClient
...
End Interface
C. <ServiceContract(SessionMode:=SessionMode.Allowed)> _
<ServiceKnownType(GetType(IMyServiceClient))> _
Public Interface IMyService
Inherits IMyServiceClient
...
End Interface
Public Interface IMyServiceClient
...
End Interface
D. <ServiceContract()> _
<ServiceKnownType(GetType(IMyServiceClient))> _
Public Interface IMyService
Inherits IMyServiceClient
...
End Interface
Public Interface IMyServiceClient
...
End Interface
Answer: A

12. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You create the following service contract. (Line numbers are included for reference only.)
01 <ServiceContract()> _
02 Public Interface IMyService
03 <OperationContract()> _
04
05 Function GetData(ByVal index As Integer) As List(Of String)
06 End Interface
You need to ensure that the GetData operation can be accessed by using the URI in the following manner:
·GetData/1 for the index value 1
·GetData/2 for the index value 2
·.
·.
·GetData/n for the index value n
Which code segment should you insert at line 04?
A. <WebGet(UriTemplate:="GetData/{index}", _
BodyStyle:=WebMessageBodyStyle.Bare)> _
B. <WebGet(UriTemplate:="GetData?index={index}", _
BodyStyle:=WebMessageBodyStyle.Bare)> _
C. <WebGet(UriTemplate:="GetData/[index]", _
BodyStyle:=WebMessageBodyStyle.Bare)> _
D. <WebGet(UriTemplate:="GetData?index=[index]", _
BodyStyle:=WebMessageBodyStyle.Bare)> _
Answer: A

13. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You create the following service contract.
<ServiceContract()> _
Public Interface IMath
<OperationContract()> _
Function Add(ByVal num1 As Integer, ByVal num2 As Integer) _
As Integer
End Interface
You need to add an operation contract to perform the Add operation asynchronously.
Which operation contract should you use?
A. <OperationContract(AsyncPattern:=True)> _
Function BeginAdd(ByVal num1 As Integer, ByVal num2 As Integer) _
As IAsyncResult
Function EndAdd(ByVal res As IAsyncResult) As Integer
B. <OperationContract()> _
Function BeginAdd(ByVal num1 As Integer, ByVal num2 As Integer, _
ByVal cb As AsyncCallback, ByVal state As Object) As Integer
Function EndAdd() As IAsyncResult
C. <OperationContract()> _
Function BeginAdd(ByVal num1 As Integer, ByVal num2 As Integer) _
As IAsyncResult
<OperationContract()> _
Function EndAdd(ByVal res As IAsyncResult) As Integer
D. <OperationContract(AsyncPattern:=True)> _
Function BeginAdd(ByVal num1 As Integer, ByVal num2 As Integer, _
ByVal cb As AsyncCallback, ByVal state As Object) As IAsyncResult
Function EndAdd(ByVal res As IAsyncResult) As Integer
Answer: D

14. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service will expose a method named DoProcess to the client applications.
You write the following code segment. (Line numbers are included for reference only.)
01 <ServiceContract()> _
02 Public Interface IMyService
03
04 End Interface
You need to ensure that the client applications are not required to obtain results from the DoProcess method.
Which code segment should you insert at line 03?
A. <OperationContract(IsOneWay:=True)> _
Function DoProcess() As Boolean
B. <OperationContract(IsOneWay:=True)> _
Sub DoProcess()
C. <OperationContract(AsyncPattern:=False)> _
Function DoProcess() As Boolean
D. <OperationContract(AsyncPattern:=False)> _
Sub DoProcess()
Answer: B