The default Session Timeout Duration is 30 Minutes in Google Analytics. If a user lands on a website and does nothing then his/her session will be automatically timed out after 30 minutes. If that user interacts with the website before 30 minutes then his/her session will remain until he/she leaves the website or the session duration reaches 30 minutes after the time of his/her first interaction.
This question is a part of the Google Analytics Individual Qualification. You can get all the answers with detailed explanation for this exam in our Google Analytics Individual Qualification Exam Answers page.