What is not considered a “source” in Google Analytics by default?

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)

What metric-dimension combination is not valid?

Sessions / Source Total Events / User Type Time on Page / Device Category Sessions / Bounce rate Download Google Analytics Individual Certification Exam Answers (PDF)

When does a default Analytics session expire?

After 30 minutes, regardless of user activity on a web page When a user opens a new browser window When a user is inactive on a web page for more than 30 minutes At noon every day Download Google Analytics Individual Certification Exam Answers (PDF)