Which reports indicate how traffic arrived at a website?

Which user characteristic may NOT be used to change keyword bids in Google Ads?:

time of day location device ad preference Download Google Analytics Individual Certification Exam Answers (PDF)

When does the tracking code send an event hit to Google Analytics?

Every time a user makes a reservation Every time a user performs an action with pageview tracking implemented Every time a user performs an action with event tracking implemented Every time a user adds an event to their calendar Download Google Analytics Individual Certification Exam Answers (PDF)

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

referral cpc organic google Download Google Analytics Individual Certification Exam Answers (PDF)