A team must keep prompt processing inside the EU. Which deployment type meets that requirement?

Why this is the answer

Data Zone types confine processing to the specified data zone, and the EU zone follows the Azure EU Data Boundary, which is the right control for this requirement. Global Standard explicitly routes to any Azure region, which is the opposite of a residency guarantee. The Developer type carries no data-residency guarantee at all and exists only for evaluating fine-tuned models. Global Batch is about asynchronous cost savings; deferring work does not confine where it runs, and its data processing is also global.