What channel is not included in the default Channels report?

What URL tag does AdWords add to the destination URL using autotagging?

adid= gclid= urlid= utm= Download Google Analytics Individual Certification Exam Answers (PDF)

The default session timeout duration in Google Analytics is how many minutes?

10 30 5 20 Download Google Analytics Individual Certification Exam Answers (PDF)

What report shows the percentage of traffic that previously visited a website?

All traffic > Referrals report Behavior > New vs returning report Behavior > Frequency and Recency report Interests > Affinity categories report Download Google Analytics Individual Certification Exam Answers (PDF)