I will be having an interview to work as a Cloud Support Associate with Amazon this upcoming Monday. Does anyone here have good experience/skill with it AWS? Do you have any source you would recommend me to learn and prepare for my interview?

Best way to familiarize yourself with it is to use it.

Know how to write ip tables, high level understanding of dns, troubleshooting, I'm sure knowledge of configuring apache/nginx/mysql is ideal. Bonus: linux abc's