Most of the posts highlight what I am focused on and express work and personal experience. Reason I put them here - recall later or help someone else with similar challenge.
2 month earlier I signed up with acloug.guru and started my exam learning. I've been playing with VMware and Hyper-V since 2006 and got first level of VMware technical certificates (e.g. VCP4, VCP 510, VCP550D). So all these certs were not that tough to obtain due to day-to-day basis hand-on when working at Veeam as System engineer.
Amazon is something else, you need to feel it and you need really 6-12 month of hand-on to be honest. I am in AWS console since 2011, however till April, 2016 I was just really nasty user (e.g. I could create bucket and run EC2 with Amazon Linux and spend 30-40 minutes to SSH into ;)) now things changes, I started to use it massively on daily basis hand-on and it just gets better from day to day.
Ok, I want to share my thoughts on what is important to know going to the exam:
Good luck and again - consider acloud.guru as your learning path! Ryan is great!