Always go back to the source:
http://www.oracle.com/education/certifi ... l?132.html
You should check all course contents against this site. It is kept up to date.
If you are ever tested on an area that is not listed on this site you can appeal and get them to remark your paper taking this into account.
DO NOT rely on anything anyone says if it's not reflected in this site. They could be out of date, misinformed or just plain lying.