Yeah I should probably start revising LOL
But in seriousness, yeah, just get your theories, sociologist names for education then the rest should come naturally.
As for research methods learns the basic pros + cons of all of them then you can expand in detail when you write the thing. Make sure you know the difference between overt+covert+participant+non-participant and what effects each have. Yeah, 2 hour exam #@!$ I am going to have trouble writing for 2 hours.