If a publisher serves a placement tag after the campaig… ddc-admin June 25, 2023 (July 13, 2023) Here is an answer to the question. If a publisher serves a placement tag after the campaign end date, what ad will serve? The default ad. The backup image. A random ad. Nothing will serve. This question is about “Campaign Manager Certification” All updated questions and answers related to “Campaign Manager Certification” can be found on the “Campaign Manager Certification Exam Answers” web page. If you spot an update in the questions or answers, please leave a comment on this page to let us know. We will provide updates as soon as possible. Related