MICROSOFT

Microsoft 365 Certified:Copilot and Agent Administration Fundamentals

AB-900

The Microsoft 365 Certified: Copilot and Agent Administration Fundamentals certification validates your ability to support, secure, and protect an AI-enabled Microsoft 365 environment. It is designed for administrators familiar with Microsoft 365 services and AI-driven productivity tools. Earning this certification demonstrates your skills in managing core security features and administrative tasks within Microsoft 365.

Practice Free Questions

3Domains

10Objectives

72Practice pages

336Free questions

AB-900 free practice questions

Choose any objective and open any question page — no sign-in required.

Identify the core objects of Microsoft 365 services

18 questions · 4 pages

Questions 1–5 6–10 11–15 16–18

Understand the Microsoft 365 security principles

41 questions · 9 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–41

Identify the core security features of Microsoft 365 services

44 questions · 9 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–44

Understand Microsoft Purview

54 questions · 11 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45 46–50 51–54

Understand data security implications of Copilot

42 questions · 9 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–42

Identify data protection and governance risks for Microsoft 365 and Copilot

32 questions · 7 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–32

Identify and monitor oversharing in SharePoint in Microsoft 365

23 questions · 5 pages

Questions 1–5 6–10 11–15 16–20 21–23

Understand features and capabilities of Copilot and agents

24 questions · 5 pages

Questions 1–5 6–10 11–15 16–20 21–24

Perform basic administrative tasks for Copilot

21 questions · 5 pages

Questions 1–5 6–10 11–15 16–20 21–21

Perform basic administrative tasks for agents

37 questions · 8 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–37

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Percentages reflect share of the current practice bank, not official exam weightings. Every page above is a live, crawlable practice page (10 objectives · 72 pages).

Microsoft 365 Certified:Copilot and Agent Administration Fundamentals

AB-900 free practice questions

Domain 1 · Identify the core features and objects of Microsoft 365 services31% of practice bank · 3 objectives · 103 questions31%

Domain 2 · Understand data protection and governance tasks for Microsoft 365 and Copilot45% of practice bank · 4 objectives · 151 questions45%

Domain 3 · Perform basic administrative tasks for Copilot and agents24% of practice bank · 3 objectives · 82 questions24%