Last week, we had the author of TDD for a Shopping Website LiveProject. Friday at 11am Ranch time, Steven Solomon will be hosting a live TDD session just for us. See for the agenda and registration link
Managed Bean is declared in FacesConfig.xml file and is available for all of the application.
Backing Bean which is declared in adfcConfig.xml is Hardcoded to a particular JSF page. Backing bean is Module Specific.