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AI-103 Practice Question 25: Web Search Plus File Search

Microsoft Azure AI Apps and Agents Developer Associate (AI-103) · Test 3 · question 5 of 10

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An HR prompt agent answers policy questions from the employee handbook, which is uploaded to the project and served through the file search tool. A new requirement lands: the agent must also quote the current statutory minimum wage, a figure that changes every year and is published only on a government website. Answers must carry a citation the employee can click.

What is the appropriate change to the agent?

Select one answer
Show answer and explanation

Answer:

  • B. Add the web search tool to the agent so it grounds those answers on the live public page, alongside file search for the handbook

The web search tool lets the agent's model retrieve and ground responses on real-time information from the public web and return up-to-date answers with inline citations, both of the new requirements, with no ingestion job to run. It coexists with file search, so the handbook keeps answering handbook questions. One caveat worth knowing before you enable it: web search is built on Grounding with Bing Search, a First Party Consumption Service, and Microsoft states that data sent to it transfers outside Azure compliance and geographic boundaries.

- A is wrong because it re-creates the stale-data problem the requirement exists to solve. Between the change and the upload, the agent confidently quotes last year's figure. - C is wrong because the handbook is internal and unpublished; dropping file search removes the agent's only access to it. - D is wrong because fine-tuning adjusts a model's behaviour, style and task performance. It is not the mechanism for injecting a fact that changes annually, and a retrain per change is absurd next to a tool call.

Reference: Use the web search tool in Foundry Agent Service

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