ZW notoriously has some of the most stringent training g in the industry. Some of that is good, some bad. Take it for what it is.
Study a lot. Get in groups. Quiz each other.
When I went through (well over a decade ago) the Dir of Training literally came into our new hire class on Day 2 and said, “Flush your lives down the toilet for the next two weeks because the only thing you should be doing is studying.”
Every airline you work at from here forward will be refreshingly easy.