Collection of pretrained Azure APIs and services that let you add AI capabilities (vision, speech, language, decision-making) to applications without needing ML expertise. They are consumed via REST API or SDK and are part of Microsoft Foundry. They were formerly called Azure AI Services and, before that, Cognitive Services.
In AI-901 it's the main catalog of AI services. Includes: Azure AI Vision, Azure AI Language, Azure AI Speech, Azure AI Translator, Azure AI Face, Document Intelligence. Question: add sentiment analysis to an app without training models → Azure Language in Foundry Tools.
Foundry Tools (formerly Azure AI Services / Cognitive Services) is a concept that can show up on the exam. Check the full guide to see it in context.