- A data stream lives within Reports and lets you segment and compare your data
- A data stream lives within Explore and, once defined, can be added to any exploration
- A data stream lives within an account and is the container for the data you collect from your apps and sites
- A data stream lives within a property and is a source of data from your app or website
The correct answer is: A data stream lives within a property and is a source of data from your app or website
A flow of data from your website or app to Analytics. There are 3 types of data stream: Web (for websites), iOS (for iOS apps), and Android (for Android apps).
Data stream: Lives within a property, and is the source of data from an app or website. The best practice is to use a maximum of 3 data streams per property: 1 single web data stream to measure the web user journey and 1 app data stream each for iOS and Android.
Each Google Analytics 4 property can have up to 50 data streams (any combination of app and web data streams, including a limit of 30 app data streams).
A data stream is a flow of data from a customer touchpoint (e.g., app, website) to Analytics.
When you create a data stream, Analytics generates a snippet of code that you add to your app or site to collect that data. Data is collected from the time you add the code, and that data forms the basis of your reports.
Read more here: https://support.google.com/analytics/answer/9355659
Read more here: https://support.google.com/analytics/answer/9679158
Read more here: https://support.google.com/analytics/answer/9303323