Beer and Sake

I am sitting my certified course here in London, U.K., on Wednesday and I'm feeling like I've left it too late to brush up on my beer and sake knowledge. 

I'm feeling very comfortable with my wine theory as I have been focusing hard on that for the past few months, but I haven't even looked once at beer or sake. 

How much did you get asked on beer/sake in your certified exam and into what depth did the questions go? 

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