- Events that took place within the last 8 hours
- Events that took place within the last 12 hours
- Events that took place within the last 60 minutes
- Events that took place within the last 30 minutes
The correct answer is: Events that took place within the last 30 minutes
Explanation: The Realtime Overview shows the top-ten pages on which users are active, the source for the users on each page, and the number of active users on each page. Active users are those who have sent a hit to Analytics within the last 30 minutes.
With the Realtime report, you can monitor activity as it happens. This report shows you events that took place within the last 30 minutes.
Read more here: https://support.google.com/analytics/answer/1638637