AB-900 — Microsoft 365 Copilot and Agent Administration Fundamentals Practice Test

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Description

Microsoft 365 admins now handling Copilot and agents take AB-900, the fundamentals exam that took over from MS-900. It helps to know your way around the Entra, Purview, Teams and SharePoint admin centers. Use the practice test to see where you stand on Purview data protection and governance, Microsoft 365 core services, and basic Copilot and agent administration.

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Stop guessing what will be on the exam. Our question banks are meticulously mapped to the official syllabus, ensuring comprehensive coverage of every domain and objective. Review the topics below to see exactly what you will be tested on.

AB-900Microsoft 365 Copilot and Agent Administration Fundamentals
Mapped
Domains Covered
Identify the Core Features and Objects of Microsoft 365 Services
Understand Data Protection and Governance Tasks for Microsoft 365 and Copilot
Perform Basic Administrative Tasks for Copilot and Agents

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Q 50 / 5002:14
Which protocol operates at the transport layer?
A HTTP
B TCP
C ARP
D ICMP
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Correct
Option B is correct — TCP operates at the transport layer
Why?
TCP (Transmission Control Protocol) provides reliable, connection-oriented communication at Layer 4 of the OSI model.

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332
practice questions

AB-900 Questions

Study from 332 practice questions aligned to the latest AB-900 objectives.

Fundamentals
Entry-level cloud, AI, data, security, and platform literacy
Associate
Role-based credentials for Azure, M365, Security, Data, and Power Platform
Expert
Advanced architecture and engineering across Azure, Security, and Power Platform

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AB-900 is part of the Microsoft certification pathway. See how this exam connects to your long-term career goals.

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Get all new and old versions of the Microsoft 365 Copilot and Agent Administration Fundamentals practice test so you have multiple question sets to study from. When objectives change, your question pool updates automatically.

Why is TCP connection-oriented?
TCP uses a three-way handshake (SYN, SYN-ACK, ACK) to establish a reliable session before data transfer begins...

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Frequently asked questions

Everything you need to know about prepping for AB-900.

What is the AB-900 exam format?
Official format is typically 40-60 questions, 45 minutes, passing score 700/100-1000.
How much does the AB-900 exam cost?
The official exam fee is $99 USD. Pricing may vary by country, currency, or voucher.
What topics are on the AB-900 exam?
The AB-900 syllabus is organized into 3 domains. (Last updated: 2026-02-22)
  • Understand Data Protection and Governance Tasks for Microsoft 365 and Copilot (37.5%)
  • Identify the Core Features and Objects of Microsoft 365 Services (32.5%)
  • Perform Basic Administrative Tasks for Copilot and Agents (27.5%)
How should I prioritize the AB-900 syllabus?
Start with the highest‑weight domains first: Understand Data Protection and Governance Tasks for Microsoft 365 and Copilot, Identify the Core Features and Objects of Microsoft 365 Services, Perform Basic Administrative Tasks for Copilot and Agents. Then work down the list and use practice questions to validate each topic.
What are the prerequisites for AB-900?
Recommended experience includes Familiarity with Microsoft 365 core services, security, identity and access, data protection, and governance. Use the syllabus domains above to identify any gaps before you schedule the exam.
Is the AB-900 exam active in 2026?
Current status: active. Last content update: 2026-02-22.
How long is the AB-900 certification valid?
Certification validity is typically Lifetime. Recertification options vary by vendor and program.
When was AB-900 released and when does it retire?
Released: 2025-11-14.
How many AB-900 practice questions are included on ExamJungle?
This AB-900 practice test includes 332 practice questions in the simulator, with explanations and study tools.
Is this the real AB-900 exam?
No, but the questions mirror the format, difficulty, and objectives so you are fully prepared.
How long do I get access?
Access depends on your plan, with ongoing updates to the AB-900 pool.
Can I study on mobile?
Yes, the simulator is optimized for desktop and mobile so you can keep studying anywhere.
Does this include explanations?
Yes, detailed explanations are included for every question.

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