Which of the following can function in an unsecure mode?

How does a data macro differ from other macros that you create using the Macro Designer?

What will be an ideal response?

What will be displayed when the following lines are executed?

Dim a, b, c As String a = "THE WHOLE" b = "PART" c = a.Substring(CInt(Math.Sqrt(4)), b.Length) txtBox.Text = CStr(c)