Not sure if this will help or not...
MB-800 Microsoft Dynamics 365 Business Central Functional QA | Udemy
The MB-800 exam is the first exam for the Microsoft Business Central product. I have passed this exam and you will need to study, even if you have been an implementer for several years. Here is a study link:
Microsoft Certified: Dynamics 365 Business Central Functional Consultant Associate - Learn | Microsoft Docs
If you have more questions, feel free to write back.
Hope this helps.