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AB-900 Exam Practice Questions

Microsoft 365 Copilot and Agent Administration Fundamentals

AB-900 English PDF practice questions: 89 questions in source order, with options supported by the source format, answers and available explanations. Access covers this exam only. One-time payment; no automatic renewal.

Exam overview

For candidates learning Microsoft 365 administration fundamentals, Copilot, agents, identities, security and governance.

Exam code
AB-900
Official exam / credential
Microsoft 365 Copilot and Agent Administration Fundamentals
Exam format
Proctored assessment; interactive items may be included
Exam duration
45 minutes
Official exam languages
English, Arabic (Saudi Arabia), Japanese, Simplified Chinese, Traditional Chinese, Korean, German, French, Indonesian, Italian, Portuguese (Brazil), Russian, Spanish

Official exam languages and practice-question file languages are listed separately. Confirm the exam version and available languages when booking with the provider.

Official sources: Provider reference
Information checked: 2026-10-20

Supported languages

  • English
  • Simplified Chinese
Try before you buy

First 20 practice questions

89 total questions

Questions follow the source order. Expand each answer to see its explanation.

Disclaimer: All questions on ExamPico are compiled from internet sources and are provided for study reference only.

Question 16

Question#16Topic1

HOTSPOT
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Select the answer that correctly completes the sentence.

Question illustration

Show answer and explanation

Answer

A

Explanation

Microsoft Defender XDR correlates signals across endpoints, identities, email, and cloud apps in a unified security operations experience.

Question 17

Question#17Topic1

HOTSPOT
-

You open the Microsoft Entra admin center as shown in the following exhibit.

Question illustration

Use the drop-down menus to select the answer choice that completes the statement based on the information presented in the graphic.

Question illustration

Show answer and explanation

Answer

D

Explanation

In the exhibit, Require multifactor authentication for administrative roles offers up to 10 points, the highest available improvement.

Question 18

Question#18Topic1

What can you use to block a user account automatically when a risky sigh-in is detected?

  1. A. Microsoft Defender for Identity
  2. B. Microsoft Entra ID Protection
  3. C. Microsoft Defender for Office 365
  4. D. Microsoft Entra Privileged Identity Management (PIM)
Show answer and explanation

Answer

B

Explanation

Microsoft Entra ID Protection risk policies can automatically block or require remediation for risky sign-ins.

Question 19

Question#19Topic1

HOTSPOT
-

Your organization has a Microsoft 365 subscription.

A user named John is assigned an admin role as shown in the following exhibit.

Question illustration

Use the drop-down menus to select the answer choice that completes the statement based on the information presented in the graphic.

Question illustration

Show answer and explanation

Answer

A

Explanation

Global Reader provides read-only access to admin centers including viewing users in Microsoft Entra, but not content access or eDiscovery.

Question 20

Question#20Topic1

HOTSPOT
-

For each of the following statements, select Yes if the statement is true. Otherwise, select No.

NOTE: Each correct selection is worth one point.

Question illustration

Show answer and explanation

Answer

YYN

Explanation

Security groups support role assignments and group-based licensing. Exchange mailbox permissions are managed separately from Entra security groups.

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