What criteria cannot be used to create a Custom Segment?

What feature is required to send data from a web-connected device (like a point-of-sale system) to Google Analytics?

The Measurement Protocol The Networking Protocol Browser cookies Data Import Download Google Analytics Individual Certification Exam Answers (PDF)

What report shows which web pages get the most traffic and highest engagement?

Frequency and Recency report Active Users report All Pages report Engagement report Download Google Analytics Individual Certification Exam Answers (PDF)

Which reports indicate how traffic arrived at a website?

Geo Behavior Demographics All Traffic Download Google Analytics Individual Certification Exam Answers (PDF)