Exam AB-620 Topic 1 Question 126 Discussion

Actual exam question for Microsoft's AB-620 exam
Question #: 126
Topic #: 1
A company needs an agent in Copilot Studio to complete tasks by interacting with a legacy desktop application that does NOT have APIs.
To meet the business needs, the solution must meet the following requirements:
The agent must interact with the application ' s UI.
The execution must run on supported infrastructure.
The builder must be able to observe how the tool runs during execution.
You need to configure the agent based on the requirements.
Which setting should you configure for each requirement? To answer, move the appropriate settings to the correct requirements. You may use each setting once, more than once, or not at all. You may need to move the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.

Suggested Answer:


Explanation:
Interact with the legacy UI # Enable the Computer use tool; Supported execution # Use a platform- hosted execution environment; Observe execution # Monitor run details in the agent runtime/activity view.
Comprehensive and Detailed Explanation From Microsoft AB-620 Study Guide: Computer use is specifically designed for websites and Windows desktop applications that lack a suitable API. It operates the interface through a virtual mouse and keyboard, allowing the agent to select controls and enter values on screen. The automation must be associated with a supported hosted or configured machine environment; enabling the tool alone does not supply an execution computer. Run and activity details provide the observation surface for testing how the model navigated the interface, where it paused, and why it failed. A custom connector would be preferable if a stable API existed, but the scenario explicitly rules that out. UI automation is inherently sensitive to layout, timing, pop-ups, and application changes, so the tool instructions should be narrow and the test set should cover common visual states. Credentials must be stored through supported credential management rather than typed into instructions. Destructive or high-impact operations should include confirmation or human supervision, and verbose logging should be protected because it can capture operational data shown on screen. Study Guide alignment: Integrate and extend agents in Copilot Studio > Add tools to agents > Configure and monitor computer use for an agent.

by Nora at Sep 18, 2026, 03:26 AM

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