Q: Which reports require the activation of Advertising Features?
A) Geo reports
B) Real-time reports
C) Cohort Analysis reports
D) Demographics and Interests reports
Correct Answer is D) Demographics and Interests reports
To make the Demographics and Interests data available in Analytics, you need to update Analytics to support Advertising Reporting Features and enable the Demographics and Interests reports. When you enable Advertising Reporting Features, you allow Analytics to collect additional information from the DoubleClick cookie (web activity) and from Device Advertising IDs (app activity).
Learn more here: https://support.google.com/analytics/answer/2819948