AB-900 Verified 2026 Edition

AB-900 Practice Test

AB-900 earns Microsoft's Copilot and Agent Administration Fundamentals certification, replacing the long-standing MS-900 Microsoft 365 Fundamentals exam. Core Microsoft 365 objects and security concepts, data protection and governance for Copilot, and basic administration of Copilot and agents are the main areas of the practice test. It is an entry point into Microsoft's AI-focused administration certifications.

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Exam Information

Official specifications published by Microsoft

Exam Format

45 min
40-60
700
Fundamentals

Registration

$99 USD
Pearson VUE, Certiport, or online proctoring

Validity

Lifetime
Fundamentals certifications do not expire and do not require renewal

AB-900 Exam Topics and Domains

AB-900 is organized into 3 weighted domains. Expect to work with Microsoft 365 Copilot, Microsoft 365 Admin Center, Microsoft Entra, Microsoft Purview, and more.

1

Identify the Core Features and Objects of Microsoft 365 Services

32.5%

Identify the core objects of Microsoft 365 services

License types and feature accessMicrosoft 365 admin center organization configurationsExchange Online admin center objectsSharePoint admin center objectsSharePoint roles and permissionsTeams admin center objects
  • Explain how license types assigned to users and groups affect access to Microsoft 365 features
  • Explore the organization configurations by using the Microsoft 365 admin center
  • Identify the appropriate objects to configure by using the Exchange Online admin center
  • Identify the appropriate objects to configure by using the SharePoint admin center
  • Identify the appropriate roles and permissions for sites in SharePoint
  • Identify the appropriate objects to configure by using the Teams admin center

Understand the Microsoft 365 security principles

Core Zero Trust principlesAuthorizationAuthentication methodsThreat protection and intelligenceMicrosoft Defender XDR features and capabilities
  • Explain the core Zero Trust principles
  • Understand authorization
  • Understand authentication methods
  • Understand threat protection and intelligence
  • Understand features and capabilities of Microsoft Defender XDR

Identify the core security features of Microsoft 365 services

Microsoft Entra features and capabilitiesConditional access policiesSingle sign-on (SSO)Security objects in an organizationTroubleshooting common sign-in issuesIdentity Secure ScoreAudit logs for user and admin activityPrivileged Identity Management (PIM)App registrations and Enterprise apps
  • Understand features and capabilities of Microsoft Entra
  • Understand conditional access policies
  • Understand the purpose and benefits of SSO
  • Identify the appropriate security object to use in an organization (users and groups)
  • Identify the appropriate tools to troubleshoot common sign-in issues
  • Interpret Identity Secure Score in Microsoft Entra ID
  • Use the appropriate tools to review audit logs for user and admin activity
  • Identify the role of Privileged Identity Management (PIM) in an organization
  • Understand App registrations and Enterprise apps
2

Understand Data Protection and Governance Tasks for Microsoft 365 and Copilot

37.5%

Understand Microsoft Purview

Microsoft Purview suite features and capabilitiesSensitivity labels in Microsoft PurviewData classification in Microsoft PurviewRetention
  • Understand features and capabilities of Microsoft Purview Information Protection, DLP, Insider Risk Management, Communication Compliance, DSPM for AI, and Data Lifecycle Management
  • Identify the use cases for sensitivity labels in Microsoft Purview
  • Understand data classification in Microsoft Purview
  • Understand retention

Understand data security implications of Copilot

How Copilot accesses dataMicrosoft Graph influence on Copilot responsesCopilot security controlsResponsible AI principles
  • Understand how Copilot accesses data
  • Understand how Microsoft Graph influences Copilot responses
  • Understand how Copilot uses permissions and other controls in Microsoft 365, Microsoft Purview, and Microsoft Defender to protect against risks
  • Understand responsible AI principles

Identify data protection and governance risks for Microsoft 365 and Copilot

Microsoft Purview Compliance ManagerMicrosoft Purview Data ExplorerInsider Risk ManagementDLP alerts and responsesCommunication Compliance policy violationsMicrosoft Purview Activity ExplorerDSPM for AIContent search in Microsoft Purview eDiscovery
  • Identify compliance risks and recommendations by using Microsoft Purview Compliance Manager
  • Identify sensitive information by using Microsoft Purview Data Explorer
  • Identify risks by using Insider Risk Management
  • Identify and respond to alerts generated by Microsoft Purview DLP
  • Identify policy violations generated by Communication Compliance
  • Identify user activities reported by Microsoft Purview activity explorer
  • Discover and manage AI activity by using DSPM for AI
  • Search for files and emails by using Content search in Microsoft Purview eDiscovery

Identify and monitor oversharing in SharePoint in Microsoft 365

Oversharing troubleshooting toolsData access governance reports in SharePointSharePoint Advanced Management
  • Identify the tools to troubleshoot oversharing in an organization
  • Run a data access governance report in SharePoint
  • Understand features and capabilities of SharePoint Advanced Management, including restricted site access
3

Perform Basic Administrative Tasks for Copilot and Agents

27.5%

Understand features and capabilities of Copilot and agents

Built-in capabilities of Copilot and agentsCopilot licensing modelsCopilot feature managementResearcher use casesAnalyst use casesCustom agents use cases
  • Compare the built-in capabilities of Copilot and agents
  • Compare Copilot monthly license model to pay-as-you-go, including SharePoint
  • Identify which Copilot features can be enabled or disabled
  • Identify use cases for Researcher
  • Identify use cases for Analyst
  • Identify use cases for custom agents

Perform basic administrative tasks for Copilot

Copilot license assignmentCopilot pay-as-you-go billing managementCopilot usage and adoption monitoringPrompt management
  • Assign Copilot licenses
  • Monitor and manage Copilot pay-as-you-go billing policies
  • Monitor Copilot usage and adoption, including Copilot Analytics and the Microsoft 365 admin center
  • Manage prompts, including saving, sharing, scheduling, and deleting

Perform basic administrative tasks for agents

Agent user access configurationAgent creationAgent approval processAgent monitoring
  • Identify how to configure user access to agents
  • Create an agent
  • Understand approval process for agents
  • Monitor agents, including usage, operational insights, and agent lifecycle, by working with the Microsoft 365 admin center and the Microsoft Power Platform admin center

Who should take this exam?

  • Familiarity with Microsoft 365 core services, security, identity and access, data protection, and governance
  • Experience with admin centers (Exchange Online, SharePoint, Teams, Microsoft Entra, Microsoft Purview)
  • Experience with AI-driven productivity tools and modern IT management practices
  • Understanding of core M365 objects (users, groups, teams, sites, libraries)
  • Understanding of core security features (authentication methods, conditional access policies, SSO)

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