(A) Data set
(B) Data source
(C) Data control
(D) Data connection
Explanation
Data Set is the term that refers to the underlying data which is actually an external system outside of the Data Studio where your data is present. You can connect Data Sets to Data Studio using Connectors. Examples of Data Sets are Google Analytics view, Google Sheets Spreadsheets, Facebook Ads account, Google Ads manager sub-accounts, etc.
Conclusion
This question is a part of the Assessment 1 section of the Introduction to Data Studio Assessment exam. You can find all the answers with detailed explanation for this exam in our Introduction to Data Studio Assessment Answers page.