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A company needs strong wireless security enabled for minimal cost. Which of the following security measures is the BEST to use?

A) Port filtering B) WEP C) Longer SSID broadcast intervals D) WPA

What will be displayed by the following program when the button is clicked?

``` Private Sub btnDisplay_Click(...) Handles btnDisplay.Click Dim a As String, n, c As Integer a = "HIGHBACK" n = CInt(Int(a.Length / 2)) c = 0 For k As Integer = 0 To n – 1 If a.Substring(k, 1) > a.Substring(7 – k, 1) Then c += 1 End If Next txtBox.Text = CStr(c) Endcode} (A) 1 (B) 2 (C) 3 (D) 4 (E) 5