Microsoft · AB-100

Microsoft Agentic AI Business Solutions Architect (AB-100) — Practice Questions and Mock Exam

Name: Pass-IT
Author: Pass-IT

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50Mock exam questions

120minTime limit

700/ 1000Passing score

Checked against Microsoft · August 2026 · Current exam version

Overview

About the exam

The Microsoft Certified: Agentic AI Business Solutions Architect certification (exam AB-100) validates the ability to plan, design, and deploy agentic AI business solutions across the Microsoft ecosystem — principally Copilot Studio, Microsoft Foundry, Power Platform, and Dynamics 365 Copilot. It covers choosing the right build platform and agent type, designing orchestration and knowledge grounding, governing agents through Microsoft Entra Agent ID and Microsoft Purview, and operating them with observability and evaluation, weighing trade-offs in cost, latency, data residency, autonomy, and compliance.

This role-based credential is designed for architects who translate business requirements into governed, secure, and measurable agent solutions. Deploying solutions carries the heaviest exam weight at 40–45%, ahead of planning and design at 25–30% each, reflecting how much of the role sits in shipping and operating agents rather than scoping them.

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Try five AB-100 questions

Try five practice questions from the app’s current Microsoft Certified: Agentic AI Business Solutions Architect question bank, with answers and explanations.

Plan AI-powered business solutions1 / 5

Which statement about environment-level versus tenant-level Power Platform data policies is correct?

AlexFull explanation from Alex

Think of the tenant policy as a floor the whole organization stands on. A tenant-wide data policy sets guardrails that apply everywhere, and an environment-level policy cannot override it: an environment policy can only build upward from there, tightening what one environment allows and never loosening it. When several policies apply to the same environment, the most restrictive combination of connectors wins.

That one rule disposes of the other three statements. Environment policies do not take precedence over tenant policies, because if they did any environment admin could quietly opt out of a central control, which is exactly the failure the design prevents. Tenant policies are not a fallback that applies only when no environment policy exists; they apply regardless. And the two levels are not mutually exclusive, since both existing at once is the normal state in a governed tenant.

Exam tip: whenever a question offers a central scope and a local scope, ask which direction the local scope is allowed to move. Central guardrail plus local refinement is the standard Power Platform pattern, and most restrictive wins is the tie-breaker to memorize.

Sourcelearn.microsoft.com

Design AI-powered business solutions2 / 5

In Copilot Studio, after building an agent, what must you do before customers can interact with it on its connected channels?

AlexFull explanation from Alex

Building an agent and shipping an agent are two different acts. Everything you configure in the authoring canvas lives in a draft that only you and your testers can reach. Publishing is what pushes that draft out to every channel the agent is connected to, and until you do it customers have nothing to talk to. The second half matters just as much: after any change you must publish again, or customers keep interacting with the previous version.

None of the other choices makes an agent reachable. Turning off authentication changes who may talk to the agent, not whether it exists on a channel, and disabling it permanently would be a security decision rather than a deployment step. Deleting the Dataverse database removes data the agent depends on and would break it rather than launch it. Exporting to a spreadsheet produces a document for humans, not a running endpoint.

Exam tip: for any Copilot Studio deployment question, look for the verb that moves work from draft to live. Here that verb is publish, and the republish requirement is the detail exam writers most like to bury.

Sourcelearn.microsoft.com

Plan AI-powered business solutions3 / 5

Which statement best captures when to combine Copilot Studio's low-code interface with Foundry's advanced models (a hybrid approach)?

AlexFull explanation from Alex

The hybrid pattern exists to resolve a trade-off. A pure low-code build in Copilot Studio is fast and reachable for business teams but limited in model choice; a pure pro-code build on Foundry gives you any model and deep customization but demands developers and time. Pairing the low-code authoring surface with Foundry's advanced models keeps the software-as-a-service security and reliability of the first while borrowing the model capability of the second, so business teams can build agents without extensive coding while still accessing enterprise-grade AI models.

The distractors describe conditions the hybrid approach does not address. A strictly on-premises requirement with no cloud rules out both platforms, since both are cloud services. Saying it applies only when no connectors are needed inverts the point, because prebuilt connectors are one of the main reasons to reach for Copilot Studio. And avoiding Microsoft models contradicts the pattern outright, since the Foundry model catalog is the half of the combination that supplies the models.

Exam tip: read hybrid answers as a question about which two strengths are being combined. If an option removes one of the two halves, it cannot be describing the hybrid.

Sourcelearn.microsoft.com

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Question pool

335 practice questions

The Pass-IT question pool gives you material to practice for AB-100. A Pass-IT mock exam uses 50 questions and a 120-minute time limit; these are practice settings.

Pool details: AB-100

Exam details checked against MicrosoftAugust 28, 2026

date of the last check against the official Microsoft source

Passing score700 / 1,000

as published by Microsoft

Objectives in the guide84 objectives listed in the official guide

across 3 domains in the official exam guide

Pool size335 questions

= The pool size is equivalent to 6 sets of 50 questions; this does not mean that each mock exam uses a separate set.

Blueprint domains3 domains in the exam blueprint

Plan AI-powered business solutions 87 · Design AI-powered business solutions 106 · Deploy AI-powered business solutions 142

Recorded as checked against sources335 of 335

questions recorded as having their answer, options, and explanation checked against official Microsoft documentation

How questions are made →

Exam domains

What's on the exam

Deploy carries the most weight at 40–45%, covering monitoring and tuning of live agents, test and ALM strategy, and responsible-AI, security, and governance controls — everything that keeps a shipped solution safe and compliant. Plan and Design split the remaining weight evenly at 25–30% each: Plan judges whether a proposed solution addresses a genuine need and whether the underlying data is clean enough to ground it, before anything gets built, while Design covers the agent architecture and orchestration choices across Copilot Studio, Foundry, and Dynamics 365.

That tilt toward Deploy is deliberate: AB-100 expects architects to keep an agent solution operating safely after launch, on top of designing it well in the first place. Expect more questions on audit trails, agent identity sponsorship, and permission limits on the data feeding an agent than on greenfield architecture patterns.

Exam blueprint: AB-100

Plan AI-powered business solutions25–30%

Assess whether a proposed AI solution has the right use case and clean enough data to ground it, shape an overall AI strategy across Microsoft's agent-building platforms, and weigh the resulting costs against expected ROI before building or buying.

≈ 14 h

Design AI-powered business solutions25–30%

Blueprint task, autonomous, and prompt-and-response agents inside Copilot Studio and Dynamics 365, extend that design with custom models and Model Context Protocol integrations, and orchestrate how prebuilt agents and Microsoft 365 Copilot features get configured.

≈ 14 h

Deploy AI-powered business solutions40–45%

Analyze, monitor, and tune deployed AI-powered business solutions, and manage the testing and application lifecycle management process for agents and custom AI models. Also covers designing responsible AI practices, security, governance, and compliance controls including access controls and audit trails.

≈ 22 h

Format

Exam format and question types

AB-100 draws 40–60 questions from a mostly multiple-choice pool, with a smaller share of true/false and multiple-response items, inside a 120-minute window. A scaled score of 700 out of 1000 is required to pass. Items are scenario-driven: a business situation is described, and you choose the platform, agent type, orchestration mode, governance control, or monitoring approach that fits — often distinguishing between similar options on one decisive factor such as data residency, authentication requirement, or human-in-the-loop need.

Question types: AB-100

Multiple Choice91%

Select the single answer that best meets the question’s requirements.

True / False5%

Decide whether a statement is true or false, paying attention to its conditions and wording.

Multiple Response4%

Select multiple answers. Follow the question’s instructions on how many to choose.

See Microsoft for official question-format information. The shares shown describe the Pass-IT practice pool; they do not establish the proportions on the official exam.

Planning

Preparing for AB-100

AB-100 is scheduled through Pearson VUE, either at a testing center or with online proctoring, and is currently offered in English only. The certification holds for one year, and Microsoft opens a free renewal assessment on Learn starting six months before it expires.

Preparation and logistics: AB-100

Preparation

Illustrative study time30–75 h

illustrative planning range: 30 h with relevant experience to 75 h when starting out; your needs may fall outside this range

Taking and maintaining the certification

DeliveryPearson VUE (testing center or online proctored)

Retake policy24-hour wait after the first failed attempt, 14-day wait between subsequent attempts, maximum 5 attempts per 12 months

Certification validity1 year

Free online renewal assessment on Microsoft Learn, available in the six months before the certification expires; passing extends the credential by another year.

Official guideView on provider site

Study notes

Common pitfalls

Topics to review: AB-100

01RAG vs fine-tuning
Use RAG for large, frequently changing knowledge; fine-tuning for consistent style, tone, or output format from a fixed dataset — they are not interchangeable.
02Orchestration mode
Generative orchestration selects components by description and proactively searches knowledge; classic orchestration matches trigger phrases and calls tools only explicitly from topics.
03Channel authentication
Microsoft channels such as Teams and SharePoint cannot be anonymous; 'No authentication' is only for public info and can't use user-credential tools.
04Non-solution-aware settings
Application Insights, manual auth, and Direct Line/Web channel security don't travel in the solution and must be reconfigured in each downstream environment.
05Agent identity sponsor
Every Microsoft Entra Agent ID identity needs a human sponsor accountable for its lifecycle; if the sponsor leaves, accountability transfers to their manager.
06DLP scope
Power Platform data policies apply at environment or tenant scope (never per user); the most restrictive policy wins when several apply.
07Over-delegation
Don't split into a connected agent for every subtask; start with one agent and split only when tool differentiation degrades (roughly above 30–40 action choices).
08Autonomous trigger credentials
Event triggers authenticate with the maker's credentials, and each autonomous action must be configured to run without requiring user input.

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Questions

Frequently asked questions

How long is the Microsoft Certified: Agentic AI Business Solutions Architect exam?

The AB-100 exam has 50 questions and a 120-minute time limit.

What is the passing score for Microsoft Certified: Agentic AI Business Solutions Architect?

The passing score for the AB-100 exam is 700 / 1000.

Which pitfalls should I review when preparing for Microsoft Certified: Agentic AI Business Solutions Architect?

Topics to review include RAG vs fine-tuning, Orchestration mode, Channel authentication, Non-solution-aware settings, Agent identity sponsor, DLP scope, Over-delegation, Autonomous trigger credentials. Work through examples to check that you understand the distinctions and can explain your answer.

How is the AB-100 exam weighted?

Deploying AI-powered business solutions is by far the largest area at 44%, with planning and designing them at 28% each. Almost half the exam is therefore about getting a solution into production rather than about drawing it. Preparation that stops at architecture diagrams misses the biggest block.

How often does AB-100 need renewing?

Every year. Microsoft opens a free online renewal assessment on Microsoft Learn in the six months before the certification expires, and passing it extends the credential by another year. The full exam is not repeated, but the window is, so the date has to be tracked.

Do you need another certification before AB-100?

No. Microsoft sets no prerequisite, so AB-100 can be booked directly. The catalog budget is around 50 hours, and the deployment weighting means hands-on time counts for more than reading does.

What happens if you fail AB-100?

You can retake it after 24 hours. From the third attempt onwards Microsoft requires 14 days between tries, and caps you at five attempts on the same exam within 12 months.

One certification, 12 months

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