There is plenty in here you will already be confident with. Maybe try the summary quiz first to see whether you need to get some help from one or more of the tutorials (and then try the specific quiz for that section). Note that M2.3 and M2.4 are covered by one set of joint documents. I have still listed (and linked) them separately but you get the combined M2.3 + M2.4 doc whichever link you click.
M2 Summary Quiz
Questions from all 5 areas to help you gauge your understanding and choose which tutorials to do.