What report shows the percent of site traffic that visited previously?

Which three campaign parameters are recommended to manually track campaigns?

Campaign, Content, and Term Medium, Source, and Content Medium, Source, and Campaign Source, Content, and Term Download Google Analytics Individual Certification Exam Answers (PDF)

What asset is used to build a remarketing list?

Custom Segment Custom Dimension Custom Metric Custom Report Download Google Analytics Individual Certification Exam Answers (PDF)

What data does Google Analytics prohibit collecting?

Billing city Personally identifable information Purchase amount Product SKU(s) Download Google Analytics Individual Certification Exam Answers (PDF)