Free AB-900: Microsoft 365 Copilot and Agent Administration Fundamentals (beta) Exam Questions and Answers
Microsoft 365 Copilot and Agent Administration Fundamentals (beta) is exam AB-900, part of Microsoft Certifications. Microsoft exam codes name the solution area rather than the level — AZ for Azure, DP for data, MS for Microsoft 365, PL for Power Platform, SC for security, AI for Azure AI — with one reliable rule: any exam numbered 900 or 901 is Fundamentals. Every technical exam is scored from 1 to 1000 with 700 to pass, a scaled score Microsoft notes is explicitly not 70% of the marks.
Looking for AB-900 exam dumps or ExamTopics AB-900 questions? These AB-900 practice questions cover the same ground with verified answers and explanations, a downloadable AB-900 PDF and a full AB-900 practice test, kept current as Microsoft updates the exam.
Last updated: November 4, 2026
- Exam code
- AB-900
- Provider
- Microsoft
- Questions in our bank
- 1000+
- Free to read
- First 10, with answers
- Our test mode duration & pass mark
- 130 mins · 70%
- Verified answers
- Reviewed weekly
Recommended: Switch to Test Mode to start a practice test that simulates the real exam experience.
Question #1
Your company has a Microsoft 365 subscription. You need to identify risky activities by employees who are leaving the company, such as downloading large numbers of files before their last day. What should you use?
Correct answer: D
Explanation
Insider Risk Management uses policy templates, such as data theft by departing users, to detect and investigate risky user activity. Audit only records activities and does not evaluate them for risk. Data Lifecycle Management controls retention and deletion, and Compliance Manager tracks regulatory assessments.
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Question #2
Which Microsoft responsible AI principle states that people should understand the capabilities and limitations of an AI system, such as Microsoft 365 Copilot?
Correct answer: D
Explanation
Transparency means AI systems are understandable, so users know what the system can do and where it can be wrong. Fairness concerns equal treatment, privacy and security concerns data protection, and inclusiveness concerns designing for people of all abilities.
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Question #3
Contoso, Ltd. is implementing a Zero Trust strategy. The company plans to give administrators only the permissions required for their tasks, and only for the time needed to complete them. Which Zero Trust principle does this plan apply?
Correct answer: C
Explanation
Least privilege access limits users to just-in-time and just-enough permissions. Verify explicitly concerns authenticating and authorizing on all available signals, and assume breach concerns minimizing blast radius and detecting threats.
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Question #4
Your organization has a Microsoft 365 subscription. You need to protect users from malicious links and attachments in email messages and Microsoft Teams. Which Microsoft Defender XDR component should you use?
Correct answer: A
Explanation
Defender for Office 365 provides Safe Links and Safe Attachments for email and collaboration tools. Defender for Identity monitors on-premises Active Directory signals, Defender for Endpoint protects devices, and Defender for Cloud Apps is a cloud access security broker.
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Question #5
Contoso, Ltd. has a Microsoft 365 subscription. The compliance team needs to detect and review inappropriate or harassing language in Microsoft Teams chat messages sent by employees. What should you use?
Correct answer: A
Explanation
Communication Compliance policies scan messages in Teams, Exchange Online and other channels for inappropriate content and route matches to reviewers. Data Lifecycle Management handles retention, sensitivity labels classify and protect content, and Compliance Manager tracks assessments.
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Question #6
Which Microsoft Purview eDiscovery feature can you use to find email messages and SharePoint files that match specific keywords across your organization and then export the results?
Correct answer: C
Explanation
Content search in Microsoft Purview eDiscovery searches Exchange mailboxes, SharePoint sites, and other locations by keyword or condition, and lets you preview and export results. Activity explorer shows labeling and protection activity, Compliance Manager tracks regulatory posture, and Communication Compliance detects policy violations in communications.
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Question #7
Your company needs to detect inappropriate language in Microsoft Teams chat messages and have reviewers investigate the matches. Which Microsoft Purview solution should you use?
Correct answer: D
Explanation
Communication Compliance scans messages in Teams, Exchange Online, and other channels for policy matches such as offensive language and routes them to reviewers. Insider Risk Management focuses on risky user activities like data theft, Data Lifecycle Management handles retention and deletion, and Information Protection classifies and protects content with labels.
Continue with AB-900: Microsoft 365 Copilot and Agent Administration Fundamentals (beta)
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Question #8
Match the Microsoft Entra feature to the requirement. Each feature may be used once, more than once, or not at all. Features: - Audit logs - Identity Secure Score - Privileged Identity Management (PIM) - Single sign-on (SSO) Requirements: Target 1: Require administrators to activate their role assignments only when needed. Target 2: Let users sign in once to access multiple applications without being prompted again. Target 3: View recommended actions that improve the identity security posture of the tenant.
Drag or tap each item onto its target, then reveal.
- Target 1Drop here
- Target 2Drop here
- Target 3Drop here
Correct answer: Target 1 = Privileged Identity Management (PIM); Target 2 = Single sign-on (SSO); Target 3 = Identity Secure Score
Explanation
PIM provides just-in-time, time-bound activation of privileged roles. SSO lets one authentication grant access to multiple applications. Identity Secure Score lists improvement actions to raise the identity security posture. Audit logs only record changes and are not used for any of these requirements.
Continue with AB-900: Microsoft 365 Copilot and Agent Administration Fundamentals (beta)
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Question #9
Contoso, Ltd. manages agents from the Agents page in the Microsoft 365 admin center. Match the administrative action to the scenario. Each action may be used once, more than once, or not at all. Actions: - Approve - Block - Reassign owner - Remove Scenarios: Target 1: A user submitted a new agent, and it is ready to be made available after review. Target 2: An agent is no longer needed and must be deleted from the organization. Target 3: An agent must be stopped from being used while it is investigated.
Drag or tap each item onto its target, then reveal.
- Target 1Drop here
- Target 2Drop here
- Target 3Drop here
Correct answer: Target 1 = Approve; Target 2 = Remove; Target 3 = Block
Explanation
Approving a submitted agent makes it available after review. Removing an agent deletes it when it is no longer needed. Blocking prevents use of an agent without deleting it, which suits an investigation. Reassign owner changes responsibility for an agent and none of these scenarios call for it.
Continue with AB-900: Microsoft 365 Copilot and Agent Administration Fundamentals (beta)
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Question #10
A product manager at Fabrikam, Inc. needs a detailed report on competitor pricing. The report must combine internal SharePoint documents, emails, and public web sources, and must include citations. What should the product manager use?
Correct answer: D
Explanation
Researcher performs multi-step, in-depth research across work data and the web and produces a cited report. Analyst focuses on data analysis such as trends and visuals from datasets. A custom agent limited to one SharePoint site cannot cover emails and the web, and Copilot Chat without work data cannot use internal content.
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Full question bank and practice test for one exam, for 30 days.
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Discussion
Explain your reasoning, not just the letterOther Microsoft certifications
- AZ-500: Microsoft Azure Security Technologies (opens in a new tab)
- MS-101: Microsoft 365 Mobility and Security (opens in a new tab)
- MS-102: Microsoft 365 Administrator (beta) (opens in a new tab)
- MS-100: Microsoft 365 Identity and Services (opens in a new tab)
- PL-900: Microsoft Power Platform Fundamentals (opens in a new tab)
- AZ-305: Designing Microsoft Azure Infrastructure Solutions (opens in a new tab)
- MS-900: Microsoft 365 Fundamentals (opens in a new tab)
- AZ-400: Microsoft Azure DevOps Solutions (opens in a new tab)
- AZ-900: Microsoft Azure Fundamentals (opens in a new tab)
- 70-740: Installation, Storage, and Compute with Windows Server 2016 (opens in a new tab)
- MD-102: Endpoint Administrator (beta) (opens in a new tab)
- PL-300: Microsoft Power BI Data Analyst (opens in a new tab)
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FAQ
Learn More: https://learn.microsoft.com/en-us/credentials/
- Q1: What is the AB-900: Microsoft 365 Copilot and Agent Administration Fundamentals (beta) exam?
- A: AB-900: Microsoft 365 Copilot and Agent Administration Fundamentals (beta) is a Microsoft certification exam. Judging by the questions in our bank, it concentrates on microsoft, copilot, subscription, worth and purview.
- Q2: What topics does the AB-900: Microsoft 365 Copilot and Agent Administration Fundamentals (beta) exam cover?
- A: Questions in our AB-900: Microsoft 365 Copilot and Agent Administration Fundamentals (beta) bank cluster around microsoft, copilot, subscription, worth, purview, site1, completes and sentence. Working through the full set is the quickest way to find which of these you are weakest on.
- Q3: How should I prepare for AB-900: Microsoft 365 Copilot and Agent Administration Fundamentals (beta)?
- A: Work through the AB-900: Microsoft 365 Copilot and Agent Administration Fundamentals (beta) practice questions here, checking your answer on each one, then sit the practice test to rehearse the exam under timed conditions before the real thing.
- Q4: Are these real AB-900: Microsoft 365 Copilot and Agent Administration Fundamentals (beta) exam questions?
- A: They are drawn from officially released past questions and from community members who have sat AB-900: Microsoft 365 Copilot and Agent Administration Fundamentals (beta). Answers are verified and updated weekly.
- Q5: Where do I register for the AB-900: Microsoft 365 Copilot and Agent Administration Fundamentals (beta) exam?
- A: Register through Microsoft directly. Exampractice is not affiliated with Microsoft and does not administer the exam.
- Q6: Is there a free AB-900: Microsoft 365 Copilot and Agent Administration Fundamentals (beta) sample?
- A: Yes. Every AB-900: Microsoft 365 Copilot and Agent Administration Fundamentals (beta) page shows a free sample of real questions. Upgrading opens the full bank and the practice test.
- Q7: What are Microsoft Certification Exams?
- A: Microsoft Certification Exams validate your expertise in using and managing Microsoft’s technologies and solutions, including Azure, Office 365, Windows, and more. These certifications demonstrate your proficiency in deploying, configuring, and optimizing Microsoft products to support business operations and IT infrastructure.
- Q8: Why should I pursue Microsoft Certification?
- A: Microsoft Certification enhances your professional credibility, showcasing your skills and knowledge in Microsoft technologies. This can lead to better job opportunities, higher salaries, and career advancement in IT, cloud computing, software development, and related fields.
- Q9: What are the benefits of Microsoft Certification?
- A: Benefits include recognition as a certified Microsoft professional, improved job performance, access to exclusive resources, continuing education opportunities, and staying current with the latest Microsoft technologies and best practices.
- Q10: Who should take Microsoft Certification Exams?
- A: IT professionals, system administrators, developers, cloud engineers, data analysts, and anyone involved in managing and implementing Microsoft solutions should consider these certifications to validate their expertise and advance their careers.
- Q11: What types of Microsoft Certification Exams are available?
- A: Microsoft offers various certification paths, including:
- Q12: How do I prepare for Microsoft Certification Exams?
- A: Preparation can include official Microsoft training courses, study guides, practice exams, online tutorials, and hands-on experience with Microsoft products and solutions.
- Q13: Where can I take Microsoft Certification Exams?
- A: Microsoft Certification Exams can be taken online with remote proctoring or at authorized Pearson VUE testing centers worldwide, providing flexibility to fit your schedule and location.
- Q14: How do Microsoft Certifications impact my career?
- A: Microsoft Certifications significantly boost your career by demonstrating your expertise to employers, making you a more competitive candidate for advanced roles and promotions in IT, cloud computing, software development, and other tech-related fields.
- Q15: Are there any prerequisites for Microsoft Certification Exams?
- A: Some exams may have prerequisites, such as foundational knowledge or prior experience with Microsoft products. Check the specific requirements for each certification path on the Microsoft Learn website.
- Q16: How often do I need to recertify for Microsoft Certifications?
- A: Microsoft Certifications typically require renewal every year or two, depending on the certification, to ensure that certified professionals stay updated with the latest technologies and industry practices.



