Expected MB-800 Exam Topics, as suggested by Microsoft :

• Module 1: Set up Business Central: This section of the exam covers creating and configuring a company, overseeing its security, configuring core functionality, and setting up dimensions.
• Module 2: Configure financials: In this section, topics are covered related to configuring the Finance Management, overseeing the chart of accounts, configuring posting groups, journals and bank accounts, accounts payable, and account receivables.
• Module 3: Configure sales and purchasing: In this section, the candidates are tested for their knowledge of setting up sales and purchasing, setting up master data for sales and purchases, and setting up discounts and prices.
• Module 4: Perform Business Central operations: In this section of the exam, candidates are tested for their knowledge of performing basic tasks in Business Central, process purchasing, process sales, financial documents, and payments and journals.