Q: Which report shows users who initiated sessions over 1-day, 7-day, 14-day, and 30-day periods?
A) Users Flow report
B) User Explorer report
C) Cohort Analysis report
D) Active Users report
Correct Answer is D) Active Users report.
Explanation:
The metrics in the Active Users Report are relative to the last day in the date range you are using for the report.
Read more here: https://support.google.com/analytics/answer/6171863