What campaigns require manual tags on destination URLs for tracking?

Which default traffic source dimensions does Google Analytics report for each website visitor?

Source and Medium Campaign and Ad Content Campaign and Medium Source and Campaign 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)

What feature must be enabled to use Multi-Channel Funnels?

Advertising Features Goals or Ecommerce Custom Dimensions In-page Analytics Download Google Analytics Individual Certification Exam Answers (PDF)