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Code d'Examen: 70-561-VB
Nom d'Examen: Microsoft (TS: MS .NET Framework 3.5, ADO.NET Application Development)
Questions et réponses: 99 Q&As
Code d'Examen: 70-504-VB
Nom d'Examen: Microsoft (TS: MS.NET Frmewk 3.5, Workflow Foundation App Dev)
Questions et réponses: 96 Q&As
Code d'Examen: 070-416
Nom d'Examen: Microsoft (Implementing Desktop Application Environments)
Questions et réponses: 85 Q&As
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NO.1 You are creating a Windows Workflow Foundation workflow by using Microsoft .NET Framework 3.5.
The workflow host must receive data from workflow instances by using a communication service named
CustomerDataExchange.
You need to configure the workflow runtime services to enable communication between the host and the
workflow instances.
Which code segment should you use?
A. Dim runtime As New WorkflowRuntime()
Dim cde As New CustomerDataExchange()
runtime.AddService(cde)
B. Dim runtime As New WorkflowRuntime()
Dim cde As New CustomerDataExchange()
Dim dataService As New ExternalDataExchangeService()
dataService.AddService(cde)
C. Dim runtime As New WorkflowRuntime()
Dim dataService As New ExternalDataExchangeService()
Dim cde As New CustomerDataExchange()
dataService.AddService(cde)
runtime.AddService(dataService)
D. Dim runtime As New WorkflowRuntime()
Dim dataService As New ExternalDataExchangeService()
runtime.AddService(dataService)
Dim cde As New CustomerDataExchange()
dataService.AddService(cde)
Answer: D
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NO.2 You are writing a sequential console workflow that consists of a delay activity and a code activity, as
shown in the exhibit. (Click the Exhibit button for the sequential console workflow image.)
In the execution code of the second activity, you try to modify the workflow as follows:
Private Sub delayActivity_InitializeTimeoutDuration(ByVal sender As System.Object, ByVal e As
System.EventArgs)
Console.Title = "Modifiability of a Workflow"
Console.WriteLine("Wait ...")
End Sub
Private Sub codeActivity_ExecuteCode(ByVal sender As System.Object, ByVal e As System.EventArgs)
Dim delay As DelayActivity = CType(sender, DelayActivity)
Console.WriteLine(delay.Name)
Dim workflowChanges As New WorkflowChanges(Me)
Dim codeActivity As New CodeActivity()
codeActivity.Name = "codeActivity2"
AddHandler codeActivity.ExecuteCode, AddressOf Me.codeActivity2_ExecuteCode
workflowChanges.TransientWorkflow.Activities.Add(codeActivity)
Me.ApplyWorkflowChanges(workflowChanges)
End Sub
Private Sub codeActivity2_ExecuteCode(ByVal sender As System.Object, ByVal e As System.EventArgs)
Dim codeActivity As CodeActivity = CType(sender, CodeActivity)
Console.WriteLine(codeActivity.Name)
Console.ReadLine()
End Sub
You also have set the modifiability of the workflow to a code condition that is set to the following function:
Private Sub UpdateCondition(ByVal sender As System.Object, ByVal e As ConditionalEventArgs)
If (TimeSpan.Compare(Me.delayActivity.TimeoutDuration, New TimeSpan(0, 0, 5)) > 0) Then
e.Result = False
Else
e.Result = True
End If
End Sub
Which code segment should you use to handle the exception?
A. workflowChanges.TransientWorkflow.Activities.Add(codeActivity)
Try
Me.ApplyWorkflowChanges(workflowChanges)
Catch ex As ArgumentOutOfRangeException
Console.WriteLine(ex.GetType().ToString())
Console.ReadLine()
End Try
B. workflowChanges.TransientWorkflow.Activities.Add(codeActivity)
Try
Me.ApplyWorkflowChanges(workflowChanges)
Catch ex As InvalidProgramException
Console.WriteLine(ex.GetType().ToString())
Console.ReadLine()
End Try
C. workflowChanges.TransientWorkflow.Activities.Add(codeActivity)
Try
Me.ApplyWorkflowChanges(workflowChanges)
Catch ex As InvalidOperationException
Console.WriteLine(ex.GetType().ToString())
Console.ReadLine()
End Try
D. workflowChanges.TransientWorkflow.Activities.Add(codeActivity)
Try
Me.ApplyWorkflowChanges(workflowChanges)
Catch ex As OverflowException
Console.WriteLine(ex.GetType().ToString())
Console.ReadLine()
End Try
Answer: C
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NO.3 New CodePrimitiveExpression(newAmount)
NO.4 You create a Windows Workflow Foundation application by using Microsoft .NET Framework 3.5.
You plan to call a method in the workflow host to send messages.
You write the following code segment.
Public Interface IOrderCommunication
Sub UpdateOrder(ByVal orderId As String)
End Interface
You need to decorate the interface.
Which line of code should you use?
A. <LocalizableAttribute(true)>
B. <ExternalDataExchangeAttribute>
C. <CorrelationParameterAttribute("orderId")>
D. <ActivityCodeGeneratorAttribute("orderId")>
Answer: B
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NO.5 You create a Windows Workflow Foundation application by using Microsoft .NET Framework 3.5. The
application contains a state workflow.
You write the following code segment.
Dim amount As Integer = 10
Dim runtime As New WorkflowRuntime()
Dim instance As WorkflowInstance = _
runtime.CreateWorkflow(GetType(DynamicUpdateWorkflow))
instance.Start()
Dim smwi As New StateMachineWorkflowInstance(runtime, _
instance.InstanceId)
A dependency property named Status is defined in this workflow.
The value of a variable named amount is used to set the state of the workflow.
You need to ensure that the host application changes the state of the workflow on the basis of the value of
the amount variable.
What are the two possible code segments that you can use to achieve this goal? (Each correct answer
presents a complete solution. Choose two.)
A. If amount >= 1000 Then
smwi.SetState("HighValueState")
Else
smwi.SetState("LowValueState")
End If
B. If amount >= 1000 Then
smwi.StateMachineWorkflow.SetValue _
(DynamicUpdateWorkflow.StatusProperty, "HighValueState")
Else
smwi.StateMachineWorkflow.SetValue _
(DynamicUpdateWorkflow.StatusProperty, "LowValueState")
End If
C. If amount >= 1000 Then
instance.GetWorkflowDefinition().SetValue
(DynamicUpdateWorkflow.StatusProperty, "HighValueState")
Else
instance.GetWorkflowDefinition().SetValue
(DynamicUpdateWorkflow.StatusProperty, "LowValueState")
End If
D. If amount >= 1000 Then
Dim high As StateActivity = _
CType(smwi.StateMachineWorkflow.Activities("HighValueState"), _
StateActivity)
smwi.SetState(high)
Else
Dim low As StateActivity = _
CType(smwi.StateMachineWorkflow.Activities("LowValueState"), _
StateActivity)
smwi.SetState(low)
End If
Answer: A AND D
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NO.6 You are creating a workflow application by using Microsoft .NET Framework 3.5. The application uses
local communication.
The workflow host must receive data from an existing workflow instance.
You need to define the communication between the workflow host and the workflow instance.
Which code segment should you use?
A. <ExternalDataExchange()> _
Public Interface ICommunicationService
Sub CallHost(ByVal someData As String)
End Interface
B. <ExternalDataExchange()> _
Public Interface ICommunicationService
Event CallHost As EventHandler(Of ExternalDataEventArgs)
End Interface
C. Public Class CommunicationService
Inherits ExternalDataExchangeService
Public Event CallHost As EventHandler(Of ExternalDataEventArgs)
End Class
D. Public Class CommunicationService
Inherits ExternalDataExchangeService
Public Sub CallHost(ByVal someData As String)
MyBase.AddService(Me)
End Sub
End Class
Answer: A
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NO.7 You use a built-in tracking service to track specific workflow parameters.
You need to check whether the workflow parameters have been stored in the tracking database.
What should you do? (Each correct answer presents part of a solution. Choose two.)
A. Display the contents of the WorkflowInstance table of the tracking database.
B. Include the SqlTrackingQuery class in a code segment to retrieve tracked workflows and
SqlTrackingWorkflowInstance class to inspect them.
C. Use the ActivityTrackingLocation class to determine if the value has been set to a database.
D. Display the contents of the TrackingDataItem table of the tracking database.
Answer: B AND D
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NO.8 A custom activity defined in an assembly named LitwareActivities is defined as follows:
Namespace LitwareActivities
Public Class WriteLineActivity
Inherits Activity
Protected Overrides Function Execute(ByVal executionContext As
System.Workflow.ComponentModel.ActivityExecutionContext) _
As System.Workflow.ComponentModel.ActivityExecutionStatus
Console.WriteLine(Message)
Return ActivityExecutionStatus.Closed
End Function
Private aMessage As String
Public Property Message() As String
Get
Return aMessage
End Get
Set(ByVal value As String)
aMessage = value
End Set
End Property
End Class
End Namespace
You need to create a sequential workflow where the execution path can be generated on the fly by an
application.
Which XML code segment should you use?
A. <SequentialWorkflowActivity
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/workflow"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:Litware="clr-namespace:LitwareActivities;assembly=LitwareActivities">
<Litware:WriteLineActivity Message="Hello, WF"/>
</SequentialWorkflowActivity>
B. <Workflow
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/workflow"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:Litware="clr-namespace:LitwareActivities;assembly=LitwareActivities">
<Litware:WriteLineActivity Message="Hello, WF"/>
</Workflow>
C. <Workflow
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
class:Litware="clr-namespace:LitwareActivities;assembly=LitwareActivities">
<Litware:WriteLineActivity Message="Hello, WF"/>
</Workflow>
D. <SequentialWorkflowActivity
class:Litware="clr-namespace:LitwareActivities;assembly=LitwareActivities">
<Litware:WriteLineActivity Message="Hello, WF"/>
</SequentialWorkflowActivity>
Answer: A
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