結果を保証するには最新2026年08月無料Microsoft AB-900日本語で練習しよう [Q38-Q52]

The core risk (and a key administrative task before Copilot deployment) is that if a document has been accidentally or intentionally granted access to “Everyone” or “All Company” in SharePoint or OneDrive, every licensed Copilot user will have the potential to retrieve and summarize that data.
Since Copilot respects existing permissions, it will expose the broad access that was already present in the M365 environment, making the overly broad permission the root cause of the oversharing risk.
References:
https://learn.microsoft.com/en-us/answers/questions/5400129/please-explain-access-management-in-onedrive-share
https://learn.microsoft.com/en-us/copilot/microsoft-365/enterprise-data-protection
https://learn.microsoft.com/en-us/copilot/microsoft-365/microsoft-365-copilot-privacy
https://learn.microsoft.com/en-us/azure/cloud-adoption-framework/scenarios/ai/govern

Explanation:
To allow users to use an external system as a knowledge source for custom Microsoft 365 Copilot agents, you need to configure Connectors in the Microsoft 365 admin center under the Copilot section.
Connectors enable Copilot to connect to and ingest data from external systems (such as third- party databases, services, or applications), making that external content available as a knowledge source for custom Copilot agents.

Explanation:

The correct answer is Activate the role. Microsoft Learn states that in Microsoft Entra Privileged Identity Management (PIM), when a user is made eligible for a Microsoft Entra role, they do not immediately have the permissions of that role. Microsoft specifically explains that eligible users must activate the role assignment before using the role. Only after activation does the user receive the permissions associated with that role for the approved time period.
That means if you are only eligible for the User Administrator role, you cannot create user accounts until you activate that role in PIM. The other options are incorrect because installing Microsoft Authenticator, requesting a license, or updating location information are not the universal prerequisite stated by Microsoft for using an eligible PIM role. Multifactor authentication can be required during activation depending on policy, but the core required action is still to activate the role first. Microsoft also notes that activation can involve entering a reason, selecting a duration, and completing any required approval or MFA steps.

To allow users to manually apply a sensitivity label to files in Microsoft 365, you must create and publish a sensitivity label policy (also known as a label publishing policy).
While the label itself defines the protection settings (like encryption or watermarks), it remains invisible to users until it is included in a policy and published to them.
Reference:
https://learn.microsoft.com/en-us/purview/create-sensitivity-labels

The correct answer is A. Microsoft 365 Copilot Chat. The requirement specifically asks for unlicensed users who used Copilot in Microsoft Teams. That points to Copilot Chat usage, not the standard Microsoft 365 Copilot licensed-user report. Microsoft’s usage documentation distinguishes Copilot Chat activity, including Copilot Chat work and web experiences, and lists Microsoft Teams as an entry point where users can access Copilot Chat. Microsoft also states that the Microsoft 365 Copilot usage report’s user-level table is scoped to users who were licensed for Microsoft 365 Copilot, which makes it the wrong report for identifying unlicensed Copilot Chat users. Microsoft 365 Apps and Copilot Search reports do not target this Teams Copilot Chat usage scenario.

Explanation:

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 .

Licence types in Microsoft 365 control which features and services a user can access. An E5 licence includes Teams, Exchange Online, and SharePoint as part of the bundle. Assigning the licence, either directly to the user or through group-based licensing, is the standard and most efficient approach.

Explanation:

The correct selections are Information Protection and Data Loss Prevention . Microsoft documents that Microsoft Purview Information Protection helps organizations discover, classify, protect, and govern sensitive information wherever it lives or travels . Microsoft also describes Information Protection as the Purview solution for data classification, sensitivity labels, and encryption , including scenarios across Microsoft 365, on-premises repositories, cloud stores, and even third-party apps through supported extensions. That makes it the correct choice for the requirement to discover and classify sensitive data across multiple platforms .
For the second requirement, Microsoft states that Microsoft Purview Data Loss Prevention (DLP) helps prevent the unintentional sharing of sensitive items and can block users from prohibited activities , including inappropriate external sharing through services such as SharePoint, OneDrive, Teams, and email.
Microsoft specifically documents DLP scenarios for preventing sensitive items from being shared with external users , which matches the requirement to block users from sharing intellectual property externally.

Explanation:

The correct answer is are NOT assigned a Microsoft 365 Copilot license. Microsoft’s official reporting guidance explains that the Copilot credits report is used to manage metered consumption costs for Microsoft
365 Copilot Chat. The purpose of this report is to show credit consumption tied to pay-as-you-go billing policies, including metrics such as total credits used and credits used per user, per agent, and per billing policy. Microsoft’s Copilot analytics documentation further defines these credit-related metrics around Copilot Chat users, which are users with a Microsoft 365 license but without a Microsoft 365 Copilot license who consume credits while using agents.
Because licensed Microsoft 365 Copilot users are generally covered by their Copilot entitlement for included agent usage, the credits report is intended to track the metered agent usage scenario for users who are not assigned a Microsoft 365 Copilot license and who interact with work-grounded agents in Microsoft 365 Copilot Chat. That is why this option correctly completes the sentence.

If you want to identify performance trends, generate visual insights, and create a summary of anomalies across multiple files that contain various datasets within the Microsoft 365 environment, you should use the Analyst agent in Microsoft 365 Copilot.
The Analyst agent is a specialized, AI-powered assistant designed for advanced data analysis.
Key Capabilities of the Analyst Agent
Multi-file Data Integration: It can automatically import and consolidate data from various sources, including Excel spreadsheets, CSV files, and databases, saving time on manual data wrangling.
Advanced Analysis: The agent employs advanced reasoning and can run Python code to perform complex calculations, identify trends and correlations, and detect outliers or anomalies.
Visual Insights: It automatically generates charts, graphs, and dashboards from raw data to help you understand and communicate the findings effectively.
Actionable Reports: You can get easy-to-read reports based on your questions, with the output presented in clear language and formatting that surfaces key insights and can include visuals.
Natural Language Interaction: Users can simply ask questions in natural language, and the agent will perform the complex analysis steps without requiring advanced expertise in data analytics.
Incorrect:
[Not B]
The Researcher agent in Microsoft 365 Copilot, in contrast, focuses on multi-step knowledge synthesis and gathering information from a wide range of internal (emails, meetings, files) and external (web) sources. It is best for tasks such as:
Compiling comprehensive reports with citations.
Conducting market or competitive analysis.
Synthesizing information on a broad, complex topic.
Reference:
https://www.microsoft.com/en-us/microsoft-365/blog/2025/06/02/researcher-and-analyst-are-now-generally-available-in-microsoft-365-copilot

Microsoft 365 Copilot utilizes the Microsoft Graph API to access and process organizational data in real-time, grounding its AI-generated responses in corporate content stored in SharePoint, OneDrive, and other Microsoft 365 services.
Reference:
https://learn.microsoft.com/en-us/copilot/microsoft-365/microsoft-365-copilot-architecture

The principle of Fairness dictates that AI systems should treat all people fairly and not cause harm by reinforcing societal biases. Producing summaries that disproportionately favor certain geographic regions (or any demographic group) is a clear example of an unfair or biased outcome. The AI agent must be refined to ensure it operates in a just and unbiased manner for all customer segments.
References:
https://learn.microsoft.com/en-us/azure/machine-learning/concept-responsible-ai?view=azureml-api-2#fairness-and-inclusiveness
https://learn.microsoft.com/en-us/azure/machine-learning/concept-fairness-ml?view=azureml-api-2
https://www.microsoft.com/en-us/ai/responsible-ai?utm_source=chatgpt.com