Budfox is spot on. Apart from Municipal bonds, you will have to focus on taxes and self-regulatory organizations as well if I may add. A weekend is not enough. A week minimum, but again, questions are the key. When I was doing it, the questions helped eliminate so many of the silly mistakes one can make. Do the 7 before beginning the CFA studying, as then you will have a decent foundation on which to build the CFA knowledge.