Microsoft AB-900 Online Practice Questions and Exam Preparation

Microsoft AB-900 Online Questions & Answers

• Question 91:

  An administrator must monitor agent usage, operational insights, and lifecycle status for organizational agents.

  Which admin centers are relevant for this task?

  A. The Microsoft 365 admin center and the Microsoft Power Platform admin center
  B. Only the Exchange admin center
  C. Only the Microsoft Entra admin center
  D. Only the SharePoint admin center
  A. The Microsoft 365 admin center and the Microsoft Power Platform admin center

  ---

  Explanation

  Agent monitoring can involve the Microsoft 365 admin center and the Microsoft Power Platform admin center for usage, operational insights, and lifecycle status. Exchange, Entra, and SharePoint admin centers are important for their workloads, but they do not alone cover organizational agent monitoring.

• Question 92:

  HOTSPOT

  Your organization stores business documents in Microsoft 365 services such as SharePoint and OneDrive. Users ask Microsoft 365 Copilot questions that require information from organizational files. You need to identify which Microsoft 365 data source Copilot can retrieve through Microsoft Graph when grounding responses.

  Select the answer that correctly completes the sentence.

  

  

  ---

  Microsoft 365 Copilot can retrieve organizational content such as SharePoint and OneDrive files through Microsoft Graph, subject to user permissions. Azure OpenAI, external users, and web search are different concepts and do not describe the Microsoft 365 data source in this grounding scenario.

• Question 93:

  A help desk team must troubleshoot a user sign-in failure that may involve multifactor authentication and a Conditional Access policy.

  Which Microsoft Entra feature should the team review first?

  A. Sign-in logs
  B. Data access governance reports
  C. Content search
  D. Copilot Analytics
  A. Sign-in logs

  ---

  Explanation

  Microsoft Entra sign-in logs provide the evidence needed to troubleshoot MFA and Conditional Access failures. They show authentication steps, policy results, and risk-related details. Data access reports, eDiscovery content search, and Copilot Analytics serve different governance or reporting requirements.

• Question 94:

  HOTSPOT

  Your organization uses the Microsoft Purview portal to understand where sensitive data exists across its Microsoft 365 environment. The compliance team wants to locate sensitive information, review discovered data, and understand where regulated content is stored.

  Select the answer that correctly completes the sentence.

  

  

  ---

  Data Explorer in Microsoft Purview helps organizations discover and understand where sensitive information exists. Privacy policy creation and eDiscovery searches use other Purview experiences. The requirement is locating sensitive data and reviewing discovered data across Microsoft 365.

• Question 95:

  Your organization has a Microsoft 365 subscription that contains a Microsoft SharePoint site named Site1. You need to prevent users from sharing the content of Site1 to external users.

  What should you use?

  A. the Site1 content
  B. the SharePoint admin center
  C. the Microsoft 365 admin center
  D. the Microsoft Entra admin center
  B. the SharePoint admin center

  ---

  Explanation

  SharePoint site sharing settings and permissions control whether site content can be shared externally. The other choices relate to different Microsoft 365 administration areas and do not directly prevent external sharing for one SharePoint site. The requirement is site-level content sharing control, so SharePoint administration is the relevant path.

• Question 96:

  HOTSPOT

  Your organization wants users to create custom Microsoft 365 Copilot agents that can use information from an external business system as a knowledge source.

  You need to ensure that users can use an external system as a knowledge source for custom Microsoft 365 Copilot agents.

  What should you configure in the Microsoft 365 admin center? To answer, select the appropriate settings in the answer area.

  

  

  ---

  Users create custom Microsoft 365 Copilot agents when they need a tailored assistant that can use organizational or external business knowledge sources. Billing and usage pages report consumption, but they do not create the knowledge-grounded assistant. The requirement is agent creation with an external knowledge source.

• Question 97:

  A user named User1 is responsible for quarterly sales reporting.

  User1 needs to identify performance trends, generate visual insights, and create a summary of anomalies across multiple files that contain various datasets.

  What should you use?

  A. the Analyst agent in Microsoft 365 Copilot
  B. the Researcher agent in Microsoft 365 Copilot
  C. Microsoft 365 Copilot Search
  D. Copilot in Excel
  A. the Analyst agent in Microsoft 365 Copilot

  ---

  Explanation

  The Analyst agent is intended for data analysis scenarios such as identifying trends, generating visual insights, and summarizing anomalies across datasets. Researcher is better suited to multi-step research over unstructured information.

  The requirement is analytical work with data files, so Analyst is the best fit.

• Question 98:

  HOTSPOT

  Your organization has a Microsoft 365 subscription and wants to use a custom domain name instead of the default onmicrosoft.com domain. Before the domain can be used with Microsoft 365 services, the organization must prove ownership of the domain.

  Select the answer that correctly completes the sentence.

  

  

  ---

  Microsoft 365 verifies domain ownership by asking the organization to add a DNS record to the domain's public DNS zone. Business address confirmation, certificate upload, or webpage upload do not prove domain control for Microsoft 365 domain onboarding.

• Question 99:

  You use Microsoft 365 Copilot.

  What does Copilot use to generate responses based on corporate data stored in Microsoft SharePoint?

  A. Microsoft Intune
  B. Microsoft Defender
  C. Microsoft Graph
  D. Microsoft Purview
  C. Microsoft Graph

  ---

  Explanation

  Microsoft 365 Copilot uses Microsoft Graph to ground responses in organizational data from services such as SharePoint while respecting permissions. Intune manages devices, Defender protects against threats, and Purview governs compliance. The requirement asks how Copilot accesses corporate SharePoint data for responses.

• Question 100:

  HOTSPOT

  Your company is evaluating Microsoft Purview Compliance Manager to improve its compliance posture. The compliance team wants to know whether Compliance Manager can provide a risk-based compliance score, offer improvement actions, and whether it belongs to the Microsoft Defender product family.

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

  NOTE: Each correct selection is worth one point.

  

  

  ---

  Yes; Yes; No

  Microsoft Purview Compliance Manager provides a risk-based compliance score and improvement actions with guidance for remediation. It does not automatically make an organization compliant with all regulations. The requirement tests posture measurement and guidance rather than a guarantee of legal compliance.