The FAQs Module produces a list of linked Frequently Asked Questions.
The corresponding Answer is displayed when a question is clicked.
In later versions of DNN, AJAX has seen a good variety of third party question and answer modules.
The FAQ's module is a very good module to have on any website to answer simple questions that will make your website visitors happy.
A few FAQ's can help answer some pre sales or support questions and save you time an money by handling the initial simple common questions online and not take up staff time unecessarily.