(A) adid=
(B) urlid=
(C) utm=
(D) gclid=
Explanation
If autotagging is enabled then Google Ads adds a parameter called gclid= to the landing page URL when a user lands on your site after clicking an ad. For example – if your site name is www.mysite.com and a user clicks your ad then the URL on their browser will be www.mysite.com/gclid=abcd123
Conclusion
This question is a part of the Google Analytics Individual Qualification. You can get all the answers with detailed explanation for this exam in our Google Analytics Individual Qualification Exam Answers page.