AB-100 Certification Practice Question #49

Question

You are designing a Microsoft Copilot Studio agent that uses a custom Microsoft Foundry model to generate responses.
You need to ensure that the agent can securely connect to and invoke the custom model during user interactions.
What should you include in the design?

Accepted Answer

In Copilot Studio's "Bring Your Own Model" pattern, connecting to a custom Azure AI Foundry model requires creating a Foundry connection within the agent (specifically when configuring a prompt tool). This connection handles authentication and secure invocation of the custom model during user interactions. A custom engine agent (D) would replace Copilot Studio's entire orchestration with a custom backend — that is a more invasive approach and not the design for securely invoking a custom model within a standard Copilot Studio agent.

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