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Microsoft 365 Copilot and Agent Administration Fundamentals (AB-900)

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Questions updated at Jul 18, 2026, 1:30 PM CDT

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Today's 10 AB-900 questions

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220 verified questions are in the live bank. Free daily questions are selected from a rotating sample set. Unlock Pro to access the full question bank.

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Question 1 of 10
Objective 1.2 Identify the core features and objects of Microsoft 365 services

Under the Zero Trust model, how do endpoints participate in protecting Microsoft 365 Copilot workloads?

Concept tested:
Source:Apply principles of Zero Trust to Microsoft 365 Copilot
Question 2 of 10
Objective 1.3 Identify the core features and objects of Microsoft 365 services

A legal team needs to retain emails related to a lawsuit for seven years, while also being able to permanently delete them after that period. Which Purview solution provides this capability to retain or delete files at the document level based on compliance schedules?

Concept tested:
Question 3 of 10
Objective 1.3 Identify the core features and objects of Microsoft 365 services

How does Compliance Manager evaluate compliance progress within Microsoft Purview?

Concept tested:
Question 4 of 10
Objective 2.4 Understand data protection and governance tasks for Microsoft 365 and Copilot

A user reports that external sharing links are being blocked due to sensitivity label restrictions. Which SharePoint DAG snapshot report would you use to investigate whether external sharing settings align with these restrictions?

Concept tested:
Question 5 of 10
Objective 3.2 Perform basic administrative tasks for Copilot and agents

An employee's Copilot license is removed. What immediate impact does this have on their ability to use Copilot?

Concept tested:
Question 6 of 10
Objective 1.1 Identify the core features and objects of Microsoft 365 services

A marketing manager needs to send regular email updates to a specific group of customers. They require a way to manage a static list of recipients without offering collaborative document storage. Which group type in the Microsoft 365 admin center is most appropriate for this scenario?

Concept tested:
Question 7 of 10
Objective 2.3 Understand data protection and governance tasks for Microsoft 365 and Copilot

Where in the Purview portal does an administrator find initial setup tasks and status checks for AI data security posture management?

Concept tested:
Question 8 of 10
Objective 2.1 Understand data protection and governance tasks for Microsoft 365 and Copilot

Which Microsoft Purview solution helps organizations meet record-keeping requirements by managing records and retention?

Concept tested:
Question 9 of 10
Objective 3.3 Perform basic administrative tasks for Copilot and agents

A team lead needs to reduce the operational overhead of running Hosted agents. Which key benefit does managed container hosting provide?

Concept tested:
Question 10 of 10
Objective 3.1 Perform basic administrative tasks for Copilot and agents

With which development environment does the GitHub Copilot modernization agent integrate to provide an interactive developer wizard?

Concept tested:
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Certification page Microsoft Certified: Microsoft 365 Copilot and Agent Administration Fundamentals Study guide AB-900 study guide Training Microsoft Learn AI training catalog

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The free daily AB-900 set includes crawlable question text, answer choices, correct answer labels, objective mapping, and source links. Only the first SEO card includes answer explanations and any extra learning features. Pro-only bank questions stay locked; this section mirrors only the 10 free daily questions already shown on this page.

Question 1 Under the Zero Trust model, how do endpoints participate in protecting Microsoft 365 Copilot workloads?

Answer choices

  1. A. By disabling local storage on all devices
  2. B. By requiring compliant endpoints before accessing Copilot-enabled applications
  3. C. By encrypting all incoming email payloads locally
  4. D. By preventing users from taking screenshots of Copilot output

Correct answer

By requiring compliant endpoints before accessing Copilot-enabled applications

By requiring compliant endpoints before accessing Copilot-enabled applications is correct because Conditional Access ensures that only secure, compliant endpoints are allowed to interface with Copilot apps. Verifying endpoint compliance ensures that corporate data processed by Copilot remains secure and is not leaked to compromised devices.

Wrong-answer review

  • A. By disabling local storage on all devices: By disabling local storage on all devices is incorrect because disabling local storage on all endpoints is operationally impractical and does not verify device health compliance.
  • C. By encrypting all incoming email payloads locally: By encrypting all incoming email payloads locally is incorrect because local email encryption does not secure the cloud-based interactions that occur between the user and Copilot.
  • D. By preventing users from taking screenshots of Copilot output: By preventing users from taking screenshots of Copilot output is incorrect because preventing screenshots is an endpoint protection feature but does not validate device compliance during sign-in.

Extra learning features

Why candidates miss this

The inclination to select 'By disabling local storage on all devices' likely arises from a misunderstanding of endpoint security. While local storage can pose a risk, Zero Trust focuses on verifying device health and compliance *before* granting access, not simply preventing local data storage. Endpoint compliance, enforced through Conditional Access, is the core mechanism for protecting Copilot workloads. Likely wrong answer: By disabling local storage on all devices Review focus: Apply principles of Zero Trust to Microsoft 365 Copilot

Interview question

Q: Imagine your company is rolling out Microsoft Copilot to your sales team. The security team is concerned about data leakage from unmanaged devices. How would you ensure only compliant devices can access Copilot, and what considerations would you have around user experience? Strong answer: My priority would be to leverage Conditional Access policies to enforce endpoint compliance. We'd configure a policy that checks device health, ensuring devices meet our corporate security standards – things like OS version, encryption, and antivirus status – before allowing access to Copilot. It's a balance; we don't want to block legitimate users, so we'd need to carefully define what 'compliant' means and potentially offer remediation steps for users with non-compliant devices. We'd also need to communicate clearly with the sales team about the new requirements and why they're in place.

  • Understanding of Conditional Access policies
  • Endpoint compliance considerations
  • User experience impact and communication
  • Least privilege principles
  • Security vs. usability trade-offs

Caution: Simply stating 'require compliant endpoints' without explaining *how* or considering user impact. Also, suggesting disabling local storage is overly restrictive and impractical.

Objective/domain: Identify the core features and objects of Microsoft 365 services

Source: Apply principles of Zero Trust to Microsoft 365 Copilot

Question 2 A legal team needs to retain emails related to a lawsuit for seven years, while also being able to permanently delete them after that period. Which Purview solution provides this capability to retain or delete files at the document level based on compliance schedules?

Answer choices

  1. A. Records Management
  2. B. Communication Compliance
  3. C. Subject Rights Requests
  4. D. Data Loss Prevention

Correct answer

Records Management

Objective/domain: Identify the core features and objects of Microsoft 365 services

Source: Microsoft Purview data compliance solutions

Question 3 How does Compliance Manager evaluate compliance progress within Microsoft Purview?

Answer choices

  1. A. By tracking the percentage of employees with base licenses
  2. B. By measuring the number of security updates installed on user devices
  3. C. By awarding points for completing actions that reduce compliance risks relative to standards
  4. D. By counting the number of administrative roles assigned in Entra ID

Correct answer

By awarding points for completing actions that reduce compliance risks relative to standards

Objective/domain: Identify the core features and objects of Microsoft 365 services

Source: Microsoft Purview data compliance solutions

Question 4 A user reports that external sharing links are being blocked due to sensitivity label restrictions. Which SharePoint DAG snapshot report would you use to investigate whether external sharing settings align with these restrictions?

Answer choices

  1. A. Storage usage snapshot report
  2. B. Sensitivity labels snapshot report
  3. C. Sharing links snapshot report
  4. D. External sharing snapshot report

Correct answer

Sensitivity labels snapshot report

Objective/domain: Understand data protection and governance tasks for Microsoft 365 and Copilot

Source: Data access governance reports for SharePoint and OneDrive sites

Question 5 An employee's Copilot license is removed. What immediate impact does this have on their ability to use Copilot?

Answer choices

  1. A. The user's entire Microsoft 365 account is deleted from the tenant
  2. B. The user is logged out of all active device sessions permanently
  3. C. The user immediately loses access to Copilot features, while base M365 access remains
  4. D. The user's documents in OneDrive are moved to a public site

Correct answer

The user immediately loses access to Copilot features, while base M365 access remains

Objective/domain: Perform basic administrative tasks for Copilot and agents

Source: Microsoft 365 Copilot reporting options for admins

Question 6 A marketing manager needs to send regular email updates to a specific group of customers. They require a way to manage a static list of recipients without offering collaborative document storage. Which group type in the Microsoft 365 admin center is most appropriate for this scenario?

Answer choices

  1. A. Microsoft 365 groups
  2. B. Distribution groups
  3. C. Security groups
  4. D. Mail-enabled security groups

Correct answer

Distribution groups

Objective/domain: Identify the core features and objects of Microsoft 365 services

Source: Create distribution groups in the Microsoft 365 admin center

Question 7 Where in the Purview portal does an administrator find initial setup tasks and status checks for AI data security posture management?

Answer choices

  1. A. Compliance Manager assessments portal
  2. B. Get started section on the DSPM for AI overview page
  3. C. Entra ID admin center licensing tab
  4. D. Microsoft Intune dashboard

Correct answer

Get started section on the DSPM for AI overview page

Objective/domain: Understand data protection and governance tasks for Microsoft 365 and Copilot

Source: Learn how Microsoft Purview Data Security Posture Management for AI provides data security and compliance protections for Copilots and other generative AI apps - (classic)

Question 8 Which Microsoft Purview solution helps organizations meet record-keeping requirements by managing records and retention?

Answer choices

  1. A. Microsoft Purview Audit
  2. B. Microsoft Teams Phone
  3. C. Microsoft Purview Records Management
  4. D. Microsoft Purview Communication Compliance

Correct answer

Microsoft Purview Records Management

Objective/domain: Understand data protection and governance tasks for Microsoft 365 and Copilot

Source: Microsoft Purview data compliance solutions

Question 9 A team lead needs to reduce the operational overhead of running Hosted agents. Which key benefit does managed container hosting provide?

Answer choices

  1. A. The agent runs locally on on-premises web server hardware
  2. B. The system automatically installs security updates on client user devices
  3. C. Microsoft automatically pays for the organization's Azure hosting fees
  4. D. Administrators do not need to provision or manage servers or Kubernetes clusters

Correct answer

Administrators do not need to provision or manage servers or Kubernetes clusters

Objective/domain: Perform basic administrative tasks for Copilot and agents

Source: What is Microsoft Foundry Agent Service? - Microsoft Foundry

Question 10 With which development environment does the GitHub Copilot modernization agent integrate to provide an interactive developer wizard?

Answer choices

  1. A. Windows Registry Editor
  2. B. Visual Studio Code
  3. C. Microsoft Paint
  4. D. Microsoft Excel

Correct answer

Visual Studio Code

Objective/domain: Perform basic administrative tasks for Copilot and agents

Source: GitHub Copilot modernization

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