In addition to partner websites, where can you display your ads on the Google Display Network? (Choose 2)

• google.com
• youtube.com
• Mobile sites that are part of the Google Display Network
• Any mobile site or mobile app

Correct answer is:

• youtube.com
• Mobile sites that are part of the Google Display Network

Explanation: The Display Network is a collection of websites—including specific Google websites like Google Finance, Gmail, Blogger, and Youtube—that show AdWords ads. This network also includes mobile sites and apps.

Read more here: https://support.google.com/adwords/answer/1704373