There are many sources and educational platforms which provide you with the study material to crack an AWS certification exam and get yourself certified. However, the main task is to look for the best place to learn and gain the most relevant and informative knowledge.
So, for your convenience, Intellipaat provides an aws certification from where you can easily prepare for getting yourself AWS certified. It covers each and every concept necessary to get certified and start a career in this domain by becoming an AWS solution architect.
If you want a much more brief detail about what value an AWS certification holds and how important it is, then you can refer to this video where you will get a much better insight of the benefits and importance of an AWS certification.