- Expandable creative
- Floating creative
- Interstitial creative
- Banner creative
The correct answer is: Banner creative
Explanation: A banner creative is the most basic ad format. It appears within set borders on a page and doesn’t expand or cover other page content. Banner creatives can serve in desktop browsers, mobile web browsers, or in mobile apps.
Read more here:https://support.google.com/richmedia/answer/2672545