Microsoft 365 Copilot and Agent Administration Fundamentals
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Exam Code
AB-900
Exam Name
Microsoft 365 Copilot and Agent Administration Fundamentals
Questions
42 Questions Answers With Explanation
Update Date
03, 14, 2026
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Microsoft AB-900 Sample Question Answers
Question # 1
Copilot features can be enabled or disabled to:
A. Control which AI capabilities are available to users B. Modify user passwords C. Change Teams UI D. Adjust CPU resources
Answer: A
Explanation:
Enabling or disabling features ensures organizations maintain compliance, cost control, and security
while tailoring Copilot capabilities to business needs.
Question # 2
Microsoft Purview Data Lifecycle Management helps:
A. Manage AI prompts B. Automate retention, deletion, and disposition processes C. Configure network routing D. Manage VM backups
Answer: B
Explanation:
Lifecycle management ensures data is retained for compliance and disposed of appropriately. It
standardizes governance policies across the tenant.
Question # 3
Users and groups are considered appropriate security objects because they:
A. Control authentication only B. Govern access to apps, files, and resources C. Store files D. Replace sensitivity labels
Answer: B
Explanation:
Groups simplify permission management, while users represent individual identities. They form the core
of authorization structures in Microsoft 365.
Question # 4
Microsoft Entra features include:
A. Endpoint antivirus B. Identity protection, access control, and governance C. DNS hosting D. SharePoint list templates
Threat protection in Microsoft Defender XDR includes:
A. SharePoint theme editing B. Attack detection, automated investigation, and response C. Domain registration D. SQL performance analytics
Answer: B
Explanation:
Defender XDR provides unified threat detection across endpoints, identities, email, and cloud apps. It
enhances visibility and accelerates incident remediation.
Question # 6
Authorization in Microsoft 365 determines:
A. Network bandwidth usage B. What resources a user can access after authentication C. Email spam scoring D. VM provisioning
Answer: B
Explanation:
Authorization enforces least-privilege access using roles, permissions, groups, and policies. It ensures
secure, controlled access to organizational resources.
Question # 7
Authentication methods in Microsoft Entra include:
A. Only legacy passwords B. Passwordless options, MFA, and traditional credentials C. Local computer BIOS access D. Hypervisor authentication
Answer: B
Explanation:
Modern authentication supports security keys, biometrics, phone sign-in, and MFA. These methods
reduce risk and align with Zero Trust.
Question # 8
Enterprise applications represent:
A. User-created documents B. Service principals linked to applications accessing the tenant C. SharePoint workflows D. On-premises DHCP servers
Answer: B
Explanation:
Enterprise apps govern identity, access, and permissions for third-party or internal applications using
Microsoft resources.
Question # 9
App registrations allow configuration of:
A. Authentication flows, API permissions, and redirect URLs B. Mailbox forwarding rules C. SharePoint page layouts D. Teams camera settings
Answer: A
Explanation:
App registrations define how apps authenticate and access resources through Microsoft identity. They
support OAuth, Graph API access, and secure integration.
Question # 10
Audit logs in Microsoft 365 help administrators:
A. Create retention labels B. Track user and admin actions across workloads C. Create backup images D. Generate invoices
Answer: B
Explanation:
Audit logs provide visibility into activities like file access, sign-ins, sharing, and configuration changes.
They support compliance and incident response.
Question # 11
Admins can manage Copilot pay-as-you-go billing policies to:
A. Increase mailbox quotas B. Control cost, usage thresholds, and consumption policies C. Modify local PC settings D. Disable SharePoint indexing
Answer: B
Explanation:
Billing policies help organizations govern AI consumption, cost limits, and financial predictability while
maintaining operational flexibility.
Question # 12
Deleting saved prompts in Copilot is useful when:
A. Changing user licenses B. Removing outdated or sensitive workflows C. Running VM snapshots D. Adjusting email routing
Answer: B
Explanation:
Prompt cleanup prevents misuse, reduces clutter, and ensures outdated logic does not propagate across
workflows or users.
Question # 13
Monitoring Copilot usage helps organizations:
A. Track adoption, prompt volume, and productivity patterns B. Disable Exchange Online C. Create new VMs D. Reduce SharePoint storage limits
Answer: A
Explanation:
Usage analytics help organizations measure return on investment, optimize training, and refine AI
deployment strategies.
Question # 14
Configuring access to agents requires:
A. New domain registration B. Assigning agent permissions and role-based access controls C. Installing drivers D. Creating firewall rules
Answer: B
Explanation:
Admins configure which users can use, edit, or manage agents. Access is governed by roles, ensuring
security and compliance.
Question # 15
Custom agents are used when:
A. Built-in Copilot features are insufficient for specific workflows B. A user needs more storage space C. Conditional access policies must be bypassed D. A new domain must be verified
Answer: A
Explanation:
Custom agents automate tasks, workflows, and data interactions tailored to organizational needs. They
extend Copilot by handling specialized, repeatable processes.
Question # 16
Analyst in Copilot helps with:
A. SharePoint theme changes B. Data analysis, insights generation, and trend identification C. Creating admin accounts D. Modifying licensing terms
Answer: B
Explanation:
Analyst interprets structured and unstructured data, generating summaries, trends, visualizations, and
actionable insights for decision-making.
Question # 17
Researcher in Copilot is designed for:
A. Device management tasks B. Gathering insights and summaries from documents and web sources C. Configuring conditional access D. Managing mail flow rules
Answer: B
Explanation:
Researcher analyzes content, extracts insights, and summarizes complex information. It helps users
quickly build reports, proposals, and research documents.
Question # 18
Copilot monthly licensing differs from pay-as-you-go by:
A. Charging per seat rather than per usage event B. Requiring a local server C. Bundling Teams phone features D. Removing all limits on API usage
Answer: A
Explanation:
Monthly licensing provides predictable billing per licensed user. Pay-as-you-go charges based on actions
or consumption patterns, offering flexible adoption.
Question # 19
Restricted site access improves governance by:
A. Automatically deleting users B. Limiting who can access sensitive SharePoint sites C. Disabling OneDrive sync D. Resetting directory roles
Answer: B
Explanation:
Restricted access prevents unauthorized viewing or sharing of confidential content. It is crucial for
securing sensitive business data.
Question # 20
Data Access Governance (DAG) reports in SharePoint highlight:
A. Idle mailboxes B. Oversharing risks and access exposures C. CPU usage D. Themes and templates
Answer: B
Explanation:
DAG reports reveal externally shared content, public links, and permission misconfigurations. They help
reduce data exposure and ensure compliance.
Question # 21
DSPM for AI monitors:
A. GPU utilization B. Sensitive data used in AI prompts and outputs C. Local device performance D. MSTeams guest access
Answer: B
Explanation:
DSPM identifies AI-related data risks, flagging exposure of sensitive content in prompts, responses, or AI
workflows. It enhances safe AI adoption.
Question # 22
Communication Compliance identifies:
A. Inappropriate or policy-violating messages B. OS updates C. Azure cost-consumption D. Password expiration dates
Answer: A
Explanation:
It monitors communication channels for harassment, sensitive data leakage, or regulatory violations.
Alerts allow investigations and corrective actions.
Question # 23
DLP alerts notify administrators when:
A. A user changes their wallpaper B. Sensitive data is shared or transferred in violation of policy C. A Teams app is installed D. A mailbox is archived
Answer: B
Explanation:
DLP prevents unauthorized disclosure by monitoring and restricting sensitive content. Alerts allow timely
remediation and risk reduction.
Question # 24
Microsoft Purview Data Explorer helps you:
A. Create Power BI datasets B. Identify sensitive data types across the tenant C. Upgrade licenses D. Modify Teams routing policies
Answer: B
Explanation:
Data Explorer provides visibility into content containing sensitive information. It helps classify data,
enforce policies, and reduce compliance risks.
Question # 25
Insider Risk Management alerts may indicate:
A. VM performance degradation B. Potential data leakage, exfiltration, or insider misuse C. Incoming spam messages D. Subscription expiration
Answer: B
Explanation:
Signals like unusual sharing, downloads, or file deletions feed into risk analytics. Organizations can
detect and mitigate harmful insider activity proactively.
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