Refreshing AWS skills

Hello all, I am a co-op student who is looking to prepare for an upcoming position involving AWS. In about two months, I will be working as a cloud operations Co-op student. I have not used AWS for a year. The last time was as a cloud architect co-op student at a very small contracting company. I learned a lot at that job, but I wanted to look into doing some courses or training too hit the road running at my new co-op. Does anyone have a