Microsoft 365 Copilot and Agent Administration Fundamentals AB-900 Exam Questions with Experts Answers Updated Recently

The correct answers are A and D because Microsoft Entra Identity Secure Score is based on identity security recommendations, and Microsoft Learn specifically lists recommendations such as “Designate more than one Global Administrator” and “Do not expire passwords.” That means the number of global administrators in the tenant and whether password expiration is disabled directly influence the Identity Secure Score. Microsoft also notes that the score measures how closely an organization aligns with Microsoft’s recommended identity security best practices.

Option B is incorrect because SharePoint site permissions are related to SharePoint and Microsoft 365 workload permissions, not to the Entra identity-focused scoring model. Option C is incorrect because user location may be evaluated in Conditional Access and Zero Trust scenarios, but it is not itself listed as a direct Identity Secure Score factor in the Microsoft Entra recommendations referenced by Microsoft Learn. Identity Secure Score is driven by tracked identity recommendations and security configurations, not by simple geographic placement of users.

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The correct selections are The Microsoft 365 admin center and A billing policy . Microsoft documents that Microsoft 365 Copilot pay-as-you-go is administered in the Microsoft 365 admin center , specifically under Copilot > Billing & usage , where admins create and manage billing policies . Microsoft explains that a billing policy defines the billing infrastructure for pay-as-you-go, including the Azure subscription and the set of users covered by that policy. That user scoping is what allows organizations to separate usage and spending by groups such as departments.

Microsoft also documents that billing policies support budgets , spending views , and monitoring current expenses for services linked to the policy. This supports the requirement for greater visibility into Copilot usage costs and forecasting departmental spending. By assigning different departments to different billing policies, the organization can track Copilot costs by department. The other listed features do not fit: auto-claim policy is unrelated to cost tracking, and Copilot connector is for external data grounding, not billing segmentation.

The correct answer is Microsoft Graph . Microsoft documents that Microsoft 365 Copilot accesses organizational content and context through Microsoft Graph . Microsoft Graph provides the user’s work context, including items such as emails, chats, meetings, files, contacts, and calendar data , along with relationship and activity signals that help Copilot ground and rank responses. Microsoft also explains that Copilot combines organizational content with the user’s working context, such as recent chat conversations, email exchanges on a topic, and the meeting the user is currently in. Those are exactly the kinds of signals described in the question, including collaboration history and document relevance.

The other options do not fit this sentence. Microsoft Copilot Studio is used to build and customize copilots and agents. Microsoft Purview is for compliance, governance, and data protection. Microsoft Viva Insights provides workplace analytics and insights, but it is not the core service described by Microsoft as supplying the contextual signals that ground Microsoft 365 Copilot responses. Therefore, the only option that correctly completes the sentence is Microsoft Graph .