Model the data — Microsoft Certified: Power BI Data Analyst Associate

The official AZURE documentation our Model the data practice questions are cited to. Review the primary sources, then practise.

Official references for this objective

Microsoft — Create and Manage Relationships in Power BI Desktop - Power BI | Microsoft Learn

Use Remove Duplicates to create a column with unique values.
Microsoft — Understand star schema and the importance for Power BI - Power BI | Microsoft Learn

With only one active relationship path between date and reseller sales, it's not possible to simultaneously filter reseller sales by different types of dates.
Microsoft — Model relationships in Power BI Desktop - Power BI | Microsoft Learn

the inner join eliminates unmatched rows between the tables