You have a Microsoft 365 tenant.
You need to allow a Microsoft SharePoint Online list to perform CRUD operations on an on-premises data source. The solution must avoid opening firewall ports.
Which two components should you include in the solution? Each correct answer presents part of the solution? NOTE: Each correct selection is worth one point.
A . an external content type
B . an ODBC connector
C . a document set
D . a site content type
E . an on-premises data gateway
Answer: AE