- Automatic Deals and private auctions
- Automatic Deals and preferred deals
- Exchanges and preferred deals
- Preferred deals and private auctions
The correct answer is: Preferred deals and private auctions
Explanation: Add an inventory source to Display & Video 360 to add a new preferred deal or private auction inventory source to Display & Video 360.
Read more here: https://support.google.com/displayvideo/answer/3423616