If an organization does not want to rely on a wireless device to authenticate users, which of the following is a secure alternative?

Use the snippet of code for the following question:

``` 1. string example = “Deitel”; 2. example = example + “ Books”; ``` a) This will produce an error b) This will not produce an error; however, line 2 will not change the string example. c) This will not produce an error, and the string’s value is "DeitelBooks". d) This will not produce an error, and the string’s value is "Deitel Books".

Answer the following statements true (T) or false (F)

1) X toggles auto-hide for a window. 2) The toolbar icons represent various menu commands. 3) The toolbar contains icons that represent controls you can drag onto a Form. 4) Both Forms and Labels have a title bar. 5) Control properties can be modified only by writing code.