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AB-900 Microsoft 365 Copilot and Agent Administration Fundamentals

in Microsoft

Microsoft AB-900 Actual Exam Questions

Last updated on Oct 31, 2026.

89 Questions & Answers

Practice AB-900 questions and answers on Microsoft 365 Copilot, agents, access control and responsible administration. Select Reveal Solution after choosing your answer.

Question #1 Topic: Exam A

An administrator must control which users can access Microsoft 365 Copilot. Which licensing prerequisite should be verified first?

  • A. Eligible Microsoft 365 license and Copilot entitlement
  • B. A Teams meeting policy only
  • C. Azure DNS private zone
  • D. Exchange retention tag
Reveal Solution
Correct Answer: A
Access requires the relevant Microsoft 365 licensing and Copilot entitlement for targeted users.
Question #2 Topic: Exam A

A company wants Copilot to respect existing permissions when retrieving work content. What should administrators review?

  • A. SharePoint and OneDrive access permissions
  • B. User wallpaper settings
  • C. Meeting backgrounds
  • D. Exchange signatures
Reveal Solution
Correct Answer: A
Copilot surfaces content according to the signed-in user’s permissions, so oversharing and access controls should be reviewed.
Question #3 Topic: Exam A

A user should be prevented from using Copilot with organizational data on an unmanaged personal device. What should be configured?

  • A. Microsoft Entra Conditional Access
  • B. Copilot prompt gallery
  • C. Teams app setup policy
  • D. Viva Connections dashboard
Reveal Solution
Correct Answer: A
Conditional Access can restrict access based on device compliance and other sign-in conditions.
Question #4 Topic: Exam A

An organization needs to monitor Copilot interactions for compliance investigations. Which Microsoft Purview capability should be reviewed?

  • A. Audit and eDiscovery capabilities for Copilot data
  • B. Azure Advisor
  • C. Teams call queues
  • D. Windows Update rings
Reveal Solution
Correct Answer: A
Purview audit and eDiscovery capabilities support investigation and governance of supported Copilot interactions.
Question #5 Topic: Exam A

A company wants to reduce the risk of sensitive information being exposed in Copilot responses. Which controls are relevant?

  • A. Data loss prevention and sensitivity labels
  • B. Teams calling policies
  • C. Azure VM availability sets
  • D. Windows Autopilot
Reveal Solution
Correct Answer: A
Sensitivity labels and DLP help classify and govern sensitive content that Copilot may access.

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