What feature is required to collect the number of comments users posted to a web page?

What feature is required to track customer search terms on a website?

Site Search Data Import Enhanced Ecommerce Search filters 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)

Which reports indicate how website referrals, organic search, and ad campaigns assisted in conversions?

Multi-Channel Funnel reports Goals reports Acquisition reports Ecommerce reports Download Google Analytics Individual Certification Exam Answers (PDF)