Which targeting method allows an advertiser to reach people who have previously visited their website by showing them relevant ads when they visit other placements on the Google Display Network?

• Interest category
• Remarketing
• Topic
• Placement

The correct Answer is:

• Remarketing

Explanation: Remarketing targeting method allows an advertiser to reach people who have previously visited their website. Remarketing helps you reach people who have visited your website or used your app. Previous visitors or users can see your ads as they browse websites that are part of the Google Display Network, or as they search for terms related to your products or services on Google.

Read more here: https://support.google.com/adwords/answer/2454000?hl=en