How would you specify which types of advertisements YouTube displays for a video?

The correct answer is that you specify ad types using advertising settings, which are distinct from a rights policy. While a rights policy dictates how your content is used and monetized (e.g., track, block, or monetize), the specific ad formats (e.g., skippable in-stream, non-skippable in-stream, bumper ads) are configured separately within the advertising settings for individual videos or channels. The Monetize section of Content ID primarily deals with applying monetization policies based on Content ID matches, not directly selecting ad types. YouTube does not automatically select all ad types without user input, although it optimizes ad delivery based on available inventory and audience. Ad types are set per video or channel, not when the channel is initially created.