Use no more than two extensions per campaign or ad group. Use at least five extensions and add only to ad groups. Use ad extensions only when advertising the service industry. Use at least three extensions in each campaign or ad group. Download Google Ads Search Certification Exam Answers (PDF)
Removing an extension from the ad. Improving the navigability of the landing page. Increasing the bid amount of the ad. Determining the location of users. Download Google Ads Search Certification Exam Answers (PDF)