Art Whitton has provided his "myCADsite.com" web site for over 5 years... While offering 45 free lessons (the lessons are currently using AutoCAD 2005) in four different levels. He also provides a review quiz at the end of each lesson and then an even 4 Online Quizzes that will allow you to review your AutoCAD knowledge. Make sure that you scroll down, so not to miss anything posted. Hats off to Art!
I am an Electrical Designer (Industrial Controls & Automation). I am also a former Autodesk Ceritified Instructor, Past recipient of "Autodesk's Instructional Quality" award and remain a volunteer Facilitator on Autodesk's Online Discussion Groups.
I also provide strategic implementation and training services for companies using AutoCAD.
I have been providing these services to a wide variety of local companies, design & engineering professional for many years...
Let me know if I can be of any assistance to you, your company or any of it's business partners.