Q: If a user visits a web page with an embedded video, leaves without clicking on anything, and the session times out, how will Google Analytics report the session?
A) As a bounce
B) As an event
C) As a click
D) As an interaction
Correct Answer is A) As a bounce.
In Analytics, a bounce is calculated specifically as a session that triggers only a single request to the Analytics server, such as when a user opens a single page on your site and then exits without triggering any other requests to the Analytics server during that session.
Read more here: https://support.google.com/analytics/answer/1009409