Display & Video 360 (DV360) Certification Prep - Practice Exam & Study Guide

In Display & Video 360, the term "inventory source" refers specifically to the publishers or networks from which ad inventory is purchased. Inventory sources are crucial in programmatic advertising as they encompass the platforms and marketplaces where advertisers can buy ad space. Understanding your inventory sources allows advertisers to effectively target their desired audience based on various criteria and ensure that their ads are displayed on appropriate websites or applications.

This definition underscores the importance of having direct relationships with publishers or utilizing established advertising networks, which can greatly influence the reach and effectiveness of an advertising campaign. By leveraging these inventory sources, advertisers can optimize their media buying strategies to align with their audiences’ preferences and habits.