I passed my AWS SysOps exam on Monday. I bought Whizlabs practice test, which really helped to test my knowledge before the exam. The good thing about Whizlabs exam is detailed explanation for each answer (both correct & Incorrect) and that will give you more insight of topic. I recommend Whizlabs Practice test for anyone going for AWs SysOPs Exam.
I also created the medium to share SysOps experience.