최신 AB-900日本語 무료덤프 - Microsoft 365 Copilot & Agent Administration Fundamentals (AB-900日本語版)

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Explanation:
* Prevent users from sharing PII: Data Loss Prevention
* Use machine learning to train a model: Information Protection
The correct selections are Data Loss Prevention and Information Protection . Microsoft states that Microsoft Purview Data Loss Prevention (DLP) helps organizations identify, monitor, and automatically protect sensitive information, including preventing people from sharing sensitive items such as PII in Microsoft 365 locations and other supported channels. That directly matches the requirement to stop users from sharing files that contain personally identifiable information.
For the second requirement, the correct choice is Information Protection because Microsoft Purview's classification and labeling capabilities include trainable classifiers , which Microsoft describes as a tool you can train using machine learning to recognize types of sensitive or business content. Microsoft positions these classification capabilities under Microsoft Purview Information Protection and data classification. That makes Information Protection the best fit for "use machine learning to train a model that detects sensitive content." The other options are not the best match here. Communication Compliance monitors risky communications, DSPM for AI focuses on AI posture and exposure, and Insider Risk Management detects risky user behavior rather than blocking PII sharing or training classifiers.

Explanation:

The correct selections are No, Yes, Yes . Statement 1 is No because Microsoft documents tenant controls for web search on or off , but not a general Microsoft 365 Copilot setting to block only selected websites for normal Copilot responses. Microsoft also says it doesn't recommend or support managing Copilot through selective URL or domain blocking at the network level. Website allow/block lists shown in Microsoft documentation apply to Researcher with Computer Use virtual-device settings, not to standard Microsoft
365 Copilot web grounding overall.
Statement 2 is Yes because Microsoft provides the Allow web search in Copilot policy in Cloud Policy service and in the Microsoft 365 admin center, which can disable web search for Microsoft 365 Copilot and Copilot Chat.
Statement 3 is Yes because Microsoft states that admins can block Researcher and Analyst , and agent governance includes a Block action. Microsoft also notes that for Researcher and Analyst, user scoping isn't edited through the usual panel; availability is managed by blocking the selected agent at the tenant level.

Explanation:
In Microsoft 365 Copilot, you should use the Researcher agent to perform multi-step reasoning over unstructured data.
The correct answer is the Researcher agent . Microsoft describes Researcher in Microsoft 365 Copilot as an agent for complex, multi-step research that can reason across information sources and synthesize findings into structured outputs. That aligns with the phrase multi-step reasoning in the question. Microsoft's guidance also contrasts Researcher with Analyst , which is aimed more at data analysis and spreadsheet- oriented tasks.
The other options are less suitable. Chat is general-purpose and not the specialized tool Microsoft positions for deeper multi-step research workflows. A notebook is used to organize materials and chats, not as the main reasoning engine for this scenario. The Analyst agent is better suited to structured data analysis, trends, and calculations rather than broad reasoning over unstructured data such as documents, notes, and mixed content. Based on Microsoft's product positioning, the best fit for multi-step reasoning over unstructured information is the Researcher agent .

Explanation:

The correct answer is adding a public DNS record . Microsoft documents that when you add a custom domain to Microsoft 365, you must first prove ownership of that domain before Microsoft 365 can use it for services such as Exchange Online, SharePoint, and user sign-ins. The standard verification method described by Microsoft is to add a DNS record at your domain registrar or DNS hosting provider. Microsoft commonly uses a TXT record for verification, although in some cases an MX record can also be used depending on the setup flow. This is why "adding a public DNS record" is the right completion for the sentence.
The other choices are not the standard Microsoft 365 domain verification process. Microsoft's admin guidance does not use confirming your business address , uploading a certificate , or uploading a webpage as the normal method for proving ownership of a domain in Microsoft 365. Domain verification is specifically tied to DNS because DNS is the authoritative public system used to prove control over the domain name.

eDiscovery
Explanation:

You can use the eDiscovery Microsoft Purview solution to find all the content that relates to the term "Project Falcon" in the emails exchanged by two users.
The correct answer is eDiscovery . Microsoft documents that Microsoft Purview eDiscovery is used to search for content in Microsoft 365 data sources that is relevant to an investigation, legal matter, or internal review.
Microsoft specifically states that eDiscovery search can find email messages, documents, instant messages, and other content across Microsoft 365 locations, including Exchange Online mailboxes . This makes it the correct solution for locating content related to a keyword or phrase such as "Project Falcon" in emails exchanged between specific users.
This is different from other Purview solutions such as Communication Compliance, which is designed to monitor risky or inappropriate communications, or Data Lifecycle Management, which is for retention and deletion. The requirement here is targeted search and retrieval of content connected to a specific term in user email communications, which is exactly what eDiscovery is designed to do. Microsoft also notes that eDiscovery supports keyword queries and search conditions , which further aligns with this scenario.

Explanation:

The correct answer is Microsoft Defender XDR . Microsoft Learn defines Microsoft Defender XDR as a unified pre- and post-breach enterprise defense suite that natively coordinates detection, prevention, investigation, and response across endpoints, identities, email, and applications to provide integrated protection against sophisticated attacks. That wording matches the sentence in the question almost exactly, which makes this the clearly correct choice.
The other options do not fit that definition. Microsoft Entra Conditional Access is Microsoft's Zero Trust policy engine used to evaluate signals and enforce access policies, not a cross-domain threat detection and response suite. Microsoft Entra ID Protection focuses on detecting and responding to identity risks such as risky sign-ins and risky users. Microsoft Purview is Microsoft's portfolio for data governance, data security, and compliance. None of those products is described by Microsoft as coordinating detection, prevention, investigation, and response across endpoints, identities, email, and applications in the same integrated XDR manner. Therefore, the only answer that correctly completes the sentence is Microsoft Defender XDR .

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