- Placement
- Account
- Ad
- Creative
The correct answer is: Creative
Explanation: You can choose whether to use landing pages set in your ad or your creative based on your needs:
- Creative-level landing pages allow you to use the same landing page across multiple ads.
- Ad-level landing pages allow you to set a different landing page for each assigned ad.
Read more here: https://support.google.com/campaignmanager/answer/6170673