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Microsoft Foundry — Models, Deployment and Prompts — Azure AI Fundamentals AI-901 practice questions

48 multiple-choice questions and 19 flashcards on Microsoft Foundry — Models, Deployment and Prompts, about 19% of the Azure AI Fundamentals AI-901 bank. Every one carries a written rationale.

Written and maintained by Nick Burton · last updated 2026-08-22 · how we write and review questions

What this chapter covers

Microsoft Foundry — Models, Deployment and Prompts is one of 6 chapters in CoStudy's Azure AI Fundamentals (AI-901) bank, and it holds 48 of the bank's 250 multiple-choice questions — roughly 19% of the total. That proportion is not arbitrary: chapters follow the certifying body's published exam outline, and the number of questions in each is set by that domain's published weight, so the share of your practice time this chapter takes matches the share of the real exam it accounts for.

Studying by chapter is worth doing once you have a diagnostic score. A single overall percentage tells you whether you are close; it does not tell you which domain is dragging. Working a weak chapter in isolation, and re-testing it in isolation, is the fastest way to move a score that has stalled — and it is why the mock exams in CoStudy report by domain rather than as one number.

Free Microsoft Foundry — Models, Deployment and Prompts practice questions

5 questions drawn from this chapter, with the full rationale shown — the controlling principle behind the right answer, and why each wrong option tempts and fails.

A team's outputs are inconsistently formatted despite a clear system prompt describing the desired JSON shape. The change MOST likely to improve consistency is:

  1. Raising the temperature so the model explores more formatting options
  2. Renaming the deployment to match the JSON schema name
  3. Adding two or three worked input-output examples to the prompt
  4. Deploying a second copy of the same model in another region

Answer: C — Adding two or three worked input-output examples to the prompt

C) Correct — few-shot examples show the exact target shape, which constrains formatting far more reliably than description alone. A) Higher temperature increases variability, worsening the symptom. B) Deployment names have no effect on output. D) A second deployment is a capacity and latency measure, not a formatting one.

A support tool must transcribe recorded calls and then summarize them. The MOST appropriate approach in Microsoft Foundry is:

  1. Deploy an image generation model and prompt it with the audio file
  2. Use Azure Speech in Foundry Tools, then a generative model to summarize
  3. Use Azure Translator in Foundry Tools to convert the audio into a summary
  4. Fine-tune a text model directly on the audio waveform files

Answer: B — Use Azure Speech in Foundry Tools, then a generative model to summarize

B) Correct — speech-to-text produces the transcript, and a generative model then does the language task over that text. A) Image generation cannot process audio. C) Translation converts between languages; it does not transcribe or summarize. D) Fine-tuning on raw waveforms is not how a text model is adapted.

Azure OpenAI in Foundry Models gives you:

  1. Access limited to open-source community models exclusively
  2. Managed access to OpenAI models with enterprise controls
  3. Unlimited free model usage with no consumption charges
  4. Direct low-level control of the underlying GPU hardware

Answer: B — Managed access to OpenAI models with enterprise controls

B) Right answer - the service runs OpenAI models inside Azure with enterprise identity, networking and regional data handling applied. A) These are proprietary OpenAI models; open-weight models sit elsewhere in the model catalog. C) Usage is billed by consumption or reserved capacity. D) The hardware is abstracted away from the customer.

An analyst is told that a prompt, the conversation history and the generated reply all share a single budget. That budget is the:

  1. Regional quota allocation
  2. Content filter severity
  3. Model context window
  4. Project connection limit

Answer: C — Model context window

C) Correct — input and output tokens together must fit inside the model's context window, which is why long histories crowd out the answer. A) Quota governs throughput across deployments, not a single call's size. B) Severity scales classify harm levels. D) Connection limits concern linked resources.

Which best describes Microsoft Foundry's relationship to Azure OpenAI in Foundry Models?

  1. Foundry is the portal used to build on them
  2. They are competing products from two vendors
  3. Foundry has replaced Azure OpenAI entirely
  4. Azure OpenAI is a component of Azure DevOps

Answer: A — Foundry is the portal used to build on them

A) Correct — Microsoft Foundry is the build, deploy and evaluate hub that sits over the models plus the wider Foundry Tools capabilities. B) They are complementary layers. C) The models are still there, reached through Foundry. D) Azure DevOps is a different stack.

Microsoft Foundry — Models, Deployment and Prompts flashcards

4 cards from the 19 in this chapter.

Microsoft Foundry?

The unified platform and portal for building AI applications and agents. • Brings together the model catalog and deployments, prompts, grounding data, content safety, evaluations and tracing in one project.

What is a connection in a Foundry project?

A stored, named link to an external resource the project needs — a search index, a storage account, another model endpoint — holding the credential centrally so agents and code reference the connection instead of embedding secrets.

What are the standard structural parts of a well-built prompt?

Instruction — what to do • Context or grounding content to use • Examples of the desired behaviour • The input to act on • A statement of the required output format. Separating these clearly, and putting the instruction near the content it governs, measurably improves reliability.

Why should the system prompt state what the assistant must NOT do?

Because a model will attempt almost anything asked of it. Explicit boundaries — no legal or medical advice, no discussing competitors, no promising refunds, escalate instead — are what stop confident out-of-scope answers, and they are far more reliable than hoping the model infers the limits.

Practise the full chapter

These are a sample. The full Microsoft Foundry — Models, Deployment and Prompts chapter runs 67 items with per-chapter progress tracking, on the web and in the iOS app.

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