Question: What are the three main types of supply sources used by Amazon Ads?
- Amazon Owned & Operated (O&O), Amazon Publisher Direct, and Exchanges
- Social media, display ads, and streaming
- Third-party publishers, retail stores, and mobile apps
Explanation
Amazon DSP supply sources include Amazon owned and operated inventory, Amazon Publisher Direct, and third-party exchanges. These sources allow advertisers to plan reach across Amazon properties and premium third-party inventory. Using multiple supply sources supports broader campaign coverage while keeping media aligned with Amazon Ads planning goals. The distinction is based on where inventory is accessed, not on ad format or general media category.
Why the other options are incorrect
Social media is incorrect because it lists channel types rather than Amazon Ads supply source categories.
Third-party publishers is incorrect because it mixes general inventory locations with non-Amazon Ads supply-source terminology.
Source for verification
https://advertising.amazon.com/solutions/products/amazon-dsp
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