Which user characteristic may NOT be used to change keyword bids in AdWords?

Using a standard Google Analytics configuration, which characteristics cannot be used to create a custom segment?

Users who viewed a page on a website, then watched a video Users who engaged in a social media or email campaign Users who are female and have children Users 25 to 34 years old who have their browser set to Spanish Download Google Analytics Individual Certification Exam Answers (PDF)

To recognize users across different devices, what feature must you enable?

User ID AdWords Linking Audience Definitions Attribution Models Download Google Analytics Individual Certification Exam Answers (PDF)

What feature can join offline business systems data with online data collected by Google Analytics?

User ID Data import Goal tracking Google Ads Linking Download Google Analytics Individual Certification Exam Answers (PDF)