How to start my preparation for adobe analytics business practitioner certification

Hi All,

I am working along with adobe Target and Analytics team to develop and deploy use cases for our new Mobile App, I want to pursue adobe deeper and want to be certified with analytics , with my research i got too confused on how to start 

please help with which link of the below would be correct refer first for analytics prep (or we can refer without any order as well)

AA-Business Practitioner certification | Adobe Experience Cloud

AA-https://experienceleague.adobe.com/?lang=en#dashboard/learning

Pls any help or direction would be appreciated