Just my .02$
I spent way too much time on prep for the computer testing and as it turns out everything I looked at was not on the test.
All I can say is, follow the directions and if I can pass it so can all of you.(note my current and previous lack of spelling and grammar skills)
If your time is limited, I would concentrate on your stories for the personal interview, the gouge for the sim, and any info that you can get on the CRM part of the interview.
U/2/furlough/2/FDXpool.