Here is the answer of the question: A delivery group cannot be replaced if attached to a live placement.
The above question is related to “Amazon Ad Server Certification“. You can find all the updated questions and answers related to to “Amazon Ad Server Certification” on the “Amazon Ad Server Certification Answers” page. If you find the update in question or answers, do comment on this page and let us know. We will update the answers as soon as possible.
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