You cannot change the default session timeout duration in Google Analytics.
Correct answer is:
- Google Analytics IQ Exam – All Q&As
- * Updated on 25-Apr-2019
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Explanation: A session is a group of interactions that take place on your website within a given time frame. By default, a session lasts until there’s 30 minutes of inactivity, but you can adjust this length so a session lasts a few seconds or several hours. A session can be as short as a few seconds or as long as several hours. A single user can open multiple sessions.
Read more here: https://support.google.com/analytics/answer/2731565