Cross-environment conversion methodology takes into account through Resettable device IDs, cookies and anonymized Google sign-ins data source.
- Data pools, cookies, audience IDs
- Cookies, SDKs, audience data
- Device types, OS, cookies
- Resettable device IDs, cookies, anonymized Google sign-ins
Correct answer is: Resettable device IDs, cookies, anonymized Google sign-ins
Explanation: Cross-environment reporting links together cookies (for web), resettable device IDs (for mobile apps), and anonymized Google sign-ins, to identify a user across different environments. This allows Google to determine the path taken by the user, from first seeing an ad to conversion. No data about the specific user is retained and all reporting is anonymized.
Read more here: https://support.google.com/campaignmanager/answer/6163585