AB-620: AI Agent Builder Associate - 250 Practice Questions

About this course

Are you ready to sit AB-620?

That is the only question this course answers, and it answers it five times over. AB-620 leads to the Microsoft Certified: AI Agent Builder Associate credential. It is aimed at professional developers and advanced builders, and it reaches well past building an agent in the maker portal: Model Context Protocol tools, custom connectors and REST APIs, multi-agent collaboration and A2A, Microsoft Foundry, computer use, agent evaluation, and lifecycle management with solutions and pipelines.

The course holds 250 questions across five practice tests of fifty, written against the official skills measured of 21 April 2026. Each test carries the same domain mix as the blueprint, so the score report points straight at the area to revisit.

Why older question banks are the wrong preparation. AB-620 is new. Much of the Copilot Studio material still circulating was written for the applied skill that was retired in 2026, or for the maker-level view of the product, and it stops before the parts this exam leans on. There is no official Microsoft practice assessment for AB-620 yet, and no learning path covering the testing and lifecycle domain. That gap is where most candidates lose points.

The five tests build up. Groundwork checks the building blocks, one concept per question. In Practice puts them in short scenarios where neighbouring features are easy to confuse. Trade-offs gives you two defensible answers and one constraint that decides. Under the Hood asks for exact fields, limits and step order. Exam Day is a full-length simulation with long stems, mixed domains and the thinking time per question the real exam allows.

Every question is explained. Each answer option has its own feedback saying why it is right or wrong and, when it is wrong, what that option actually is - which is how the distinction sticks. Underneath sits an explanation of the question with a link to the Microsoft documentation.<

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