Free Microsoft AB-900 Practice Test Questions MCQs

Stop wondering if you're ready. Our Microsoft AB-900 practice test is designed to identify your exact knowledge gaps. Validate your skills with Microsoft 365 Copilot and Agent Administration Fundamentals questions that mirror the real exam's format and difficulty. Build a personalized study plan based on your free AB-900 exam questions mcqs performance, focusing your effort where it matters most.

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Updated On : 17-Jul-2026
70 Questions
Microsoft 365 Copilot and Agent Administration Fundamentals
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You need to identify files and emails that contain social security numbers (SSNs) and credit card numbers. What should you use in the Microsoft Purview portal?

A. Information Protection reports

B. Data explorer

C. Information Protection policies

D. Activity explorer

B.   Data explorer

Your company has a Microsoft SharePoint site named Site1. Site1 contains all the policies of the company s HR department. The policies are saved as Microsoft Word documents.
All users have read access to Site1.
The HR department manager reports that user requests about the policies are NOT being addressed in a timely manner, especially around major holidays.
You need to recommend a solution to enable the users to find the HR department policies. The solution must provide the users with a list of common queries and ensure that responses are grounded only in Site1.
What should you include in the recommendation?

A. the personal assistant in Copilot in Word

B. a Microsoft 365 Copilot notebook

C. a custom Microsoft 365 Copilot agent

D. the Researcher agent in Microsoft 365 Copilot

C.   a custom Microsoft 365 Copilot agent

Select the answer that correctly completes the sentence.


Select the answer that correctly completes the sentence.


Select the answer that correctly completes the sentence.


Your organization has a Microsoft 365 subscription.
You need to evaluate your organization s Identity Secure Score.
Which two factors affect the score? Each correct answer presents a complete the solution.
NOTE: Each correct selection is worth one point.

A. the number of global administrators

B. the SharePoint site permissions

C. the location of the users

D. passwords that are never expired

A.   the number of global administrators
D.   passwords that are never expired

Your company is evaluating Microsoft 365 Copilot pay-as-you-go billing instead of purchasing a Microsoft 365 Copilot license. In which scenario can pay-as-you-go billing apply?

A. generating a recap of a Microsoft Teams meeting

B. using a custom agent that is grounded in work data

C. performing multi-step reasoning by using the Researcher agent

D. using the Al assistant to edit a document in Copilot in Word

B.   using a custom agent that is grounded in work data

Your organization has a Microsoft 365 subscription.
You create a security group named Group1 and assign a Microsoft 365 E3 license to the group.
You discover that a user named User1 does NOT have access to the Microsoft 365 E3 features.
You need to ensure that User1 can access all the Microsoft 365 E3 features.
Which two actions can you perform? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.

A. Add User1 to Group1.

B. Assign a Conditional Access policy to Group1.

C. Assign a Conditional Access policy to User1.

D. Assign a license to User1.

A.   Add User1 to Group1.
D.   Assign a license to User1.

Your organization has a Microsoft 365 subscription.
All users are assigned Microsoft 365 Copilot licenses.
Some users report receiving Copilot responses that contain information from a Microsoft SharePoint site named Finance. The users report that the information is commercially sensitive.
You need to prevent Copilot from providing responses that contain information from the Finance site.
What should you do?

A. From Microsoft Purview, create an Information Barrier (IB) policy.

B. From Microsoft Defender, create a data connector.

C. From Microsoft Entra, create a Conditional Access policy.

D. From the Finance site, configure permissions.

D.   From the Finance site, configure permissions.

A user named User1 creates a Microsoft 365 Copilot agent named Agent1 and shares the agent to a user named User2. What occurs if an admin blocks Agent1?

A. Agent1 is accessible to User1 and User2, and no other users can install Agent1.

B. Agent1 is removed from User1 and User2, and no users can install Agent1.

C. Agent1 is accessible to User1 and User2 until the users manually uninstall Agent1. No other users can install Agent1.

D. Agent1 is removed from User2, and User1 can continue to use Agent1.

B.   Agent1 is removed from User1 and User2, and no users can install Agent1.

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Microsoft 365 Copilot and Agent Administration Fundamentals Practice Exam Questions