Which of the following deal types are an invitation-only, pre-negotiated arrangement between a publisher and an advertiser?

The correct answer is Programmatic Guaranteed because this deal type represents an invitation-only, pre-negotiated arrangement between a publisher and an advertiser. In a Programmatic Guaranteed deal, the publisher and advertiser agree on the price, inventory, and campaign specifics in advance, providing the advertiser with guaranteed access to the publisher's inventory. This pre-negotiated setup ensures both parties have a clear understanding of the terms before the campaign begins. Unlike Private Auctions, where bidding is involved, or Preferred Deals, which may not guarantee a specific amount of inventory or a fixed price, Programmatic Guaranteed deals provide the certainty of a fixed agreement and guaranteed delivery of inventory.