This is False. If you are setting exclusions at the campaign level then you get options to use those exclusions for specific Ad Groups. If you want to use the exclusions feature for a specific ad group inside a campaign then you can do that by using Ad Group settings inside the Campaigns tab. You can use settings inside the Campaigns tab to exclude locations or specific websites from only some Ad Groups inside your Campaign or all of the Ad Groups inside the campaign.
This question is a part of the Microsoft Advertising Certified Professional exam. You can find all the answers with full explanation for this exam in our Microsoft Advertising Certified Professional Exam Answers page.