Answers add-on provides a collaborative Question & Answer application similar to Yahoo! Answers or StackOverflow.com but for your own enterprise, where the collaboration is encouraged.
Technically, the add-on consists of two portlets:
The Answers portlet in which users can post questions, comments and answers.
The FAQs portlet which enhances the readability of Answers content by publishing it in a clean and quickly browsable format.
For the upgrades from 4.1 to 4.2, remember that Answers is packaged as an add-on since 4.2, so check changes here.
In this chapter: