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MCSE Implementing Microsoft Internet Security and Acceleration (ISA) Server 2004 : 70-350 Exam

Exam Number/Code: 70-350
Exam Name: MCSE Implementing Microsoft Internet Security and Acceleration (ISA) Server 2004
VUE Code: 70-350
Questions Type: Multiple choice,
Real Exam Question Numbers: 49 questions
Exam Language(s): English

“MCSE Implementing Microsoft Internet Security and Acceleration (ISA) Server 2004?, also known as 70-350 exam, is a Microsoft certification.
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QUESTION 3
You use Visual Studio .NET to create a data entry form. The form enables users to
edit personal information such as address and telephone number, The form contains
a text box named textPhoneNumber.
If a user enters an invalid telephone number, the form must notify the user of the
error. You create a function named ValidPhone that validates the telephone number
entered. You include an ErrorProvider control named ErrorProvider1 in your
form.
Which additional code segment should you use?

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A. Private Sub textPhone_Validating _
(ByVal sender As Object, _
ByVal e As System.ComponentModel.CancelEventArgs) _
Handles textPhoneNumber.Validating
If ValidPhone() = False then _
ErrorProvider1.SetError(textPhone, “Invalid Phone. “)
End If
End Sub
B. Private Sub textPhone_Validated _
(ByVal sender As Object, _
ByVal e As System.EventArgs) _
Handles textPhoneNumber.Validated
If ValidPhone() = False then _
ErrorProvider1.SetError(textPhone, “Invalid Phone.”)
End If
End Sub
C. Private Sub textPhone_Validating _
(ByVal sender As Object, _
ByVal e As System.ComponentModel.CancelEventArgs) _
Handles textPhoneNumber.Validating
If ValidPhone() = False then _
ErrorProvider1.GetError(textPhone)
End IF
End Sub
D. Private Sub textPhone_Validated _
(ByVal sender As Object, _
ByVal e As System.EventArgs) _
Handles textPhoneNumber.Validated
If ValidPhone() = False then _
ErrorProvider1.GetError(textPhone)
End If
End Sub
E. Private Sun textPhone_Validating _
(ByVal sender As Object, _
ByVal e As System.ComponentModel.CancelEventArgs) _
Handles textPhoneNumber.Validating
If ValidPhone() = False then _
ErrorProvider1.UpdateBinding()
End If
End Sub
F. Private Sub textPhone_Validated _
(ByVal sender As Object, _
ByVal e As System.EventArgs) _
Handles textPhoneNumber.Validated
If ValidPhone() = False then _
ErrorProvider1.UpdateBinding()

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End If
End Sub
Answer: A
Explanation: We should add code for the Validating Event. If the ValidPhone()
function evaluates to false we should use the ErrorProvider.SetError method to set
the error description string.
Note: Focus events occur in the following order:
1. Enter
2. GotFocus
3. Leave
4. Validating
5. Validated
6. LostFocus
Reference:
.NET Framework Class Library, Control.Validating Event [Visual Basic]
.NET Framework Class Library, ErrorProvider Members.NET Framework Class Library,
Control.Validated Event [Visual Basic]
Incorrect Answers
B, D, G: We should add code for the Validating Event, not the Validated event. The
Control.Validated Event occurs when the control is finished validating.
C: The ErrorProvider.Geterror method returns the current error description string for the
specified control. We want to set it however.
F: The ErrorProvider.Updatebinding method is of no use here. It provides a method to
update the bindings of the DataSource, DataMember, and the error text. We only want to
set the error description string.
QUESTION 2
You work as a software developer at Certkiller .com You develop a Windows-based
application that uses a Microsoft SQL Server database to store and retrieve data.
You decide to create a central error-handling procedure that processes all data
errors that occur in your application. You must ensure that your application
displays all error information that is received from the database.
How should you write the error-handling procedure?
A. Public Sub DisplaySqlErrors(ByVal Certkiller Ex As
SqlException)
MessageBox.Show(“Error: ” & Certkiller Ex.ToString())
End Sub
B. Public Sub DisplaySqlErrors(ByVal Certkiller Ex As
SqlException)
MessageBox.Show(“Error: ” & Certkiller Ex.Message)
End Sub
C. Public Sub DisplaySqlErrors(ByVal Certkiller Ex as

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SqlException)
Dim x As SqlError
For Each x In Certkiller Ex.Errors
MessageBox.Show(“Error: ” & x.ToString())
Nex
End Sub
D. Public Sub DisplaySqlErrors(ByVal Certkiller Ex As
SqlException)
Dim x As Exception
For Each x In Certkiller Ex.Errors
MessageBox.Show(“Error: ” & x.ToString())
Next
End Sub
Answer: D
QUESTION 3
You work as a software developer at Certkiller .com. You develop a Windows-based
application that includes two objects named Certkiller Contact and
Certkiller Employee. Certkiller Employee inherits from Certkiller Contact, and
Certkiller Contact exposes an event named DataSaved. You want to raise the
DataSaved event from Certkiller Employee.
What should you do?
A. Call the RaiseEvent method from Certkiller Employee and pass DataSaved as the event
name.
B. Add the Public keyword to the DataSaved declaration in Certkiller Contact.
Call the RaiseEvent method from Certkiller Employee.
C. In Certkiller Contact, create a protected method named RaiseDataSaved that explicitly
raises the DataSaved event.
Call RaiseDataSaved from Certkiller Employee.
D. In Certkiller Employee, create a protected method named RaiseDataSaved that
explicitly raises the DataSaved event in Certkiller Contact.
Call RaiseDataSaved to fire the event.
Answer: C
Explanation:
Not A: A derived class is unable to raise events on its base class, therefore answer C is better

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