Pass the Microsoft Certified: Security Compliance and Identity Fundamentals SC-900 Questions and answers with ExamsMirror

Microsoft states that Microsoft Sentinel includes connectors for both Microsoft and non-Microsoft sources. The product overview explains that Sentinel “comes with built-in connectors” for services such as Microsoft 365, Defender, and Azure sources, and also built-in connectors for non-Microsoft solutions like firewalls and other security products. Therefore, the claim that data connectors support only Microsoft services is false.

For visualization and monitoring, the documentation clarifies that “Microsoft Sentinel uses Azure Monitor workbooks to provide rich visualizations of your data.” Workbooks are the native dashboarding framework in Sentinel and can be customized to monitor logs, incidents, and telemetry that Sentinel ingests. Hence, using Azure Monitor Workbooks to monitor data collected by Sentinel is true.

Regarding threat hunting, Microsoft describes the Hunting capability as a proactive feature: “Hunting lets you proactively hunt for security threats,” using Kusto Query Language queries and analytic patterns to find indicators of compromise before alerts are generated. Analysts can run, save, and schedule hunts to uncover suspicious activity that hasn’t yet raised an alert, making the statement about identifying threats before an alert is triggered true.

In Microsoft guidance, network segmentation and isolation are core security principles. Azure virtual networks (VNets) are “a fundamental building block… that enable isolation and segmentation of resources,” and multiple VNets are commonly used to separate environments, business units, or security boundaries. This aligns with Zero Trust and SCI guidance that recommends isolating workloads to reduce blast radius and to apply least privilege and policy-based controls per boundary. Microsoft also emphasizes governance alignment, stating that enterprises should structure Azure resources so that policies, RBAC, and compliance requirements can be applied at appropriate scopes (management group, subscription, resource group, or network boundary). Deploying multiple VNets supports these goals by enabling per-environment policy assignment (for example, dev/test vs. production), differentiated security controls (such as NSGs, ASGs, and firewalls), and independent address spaces to prevent overlap across organizations or regions. Options A and D are not primary drivers: budgeting is handled at subscription/resource group scopes rather than VNet count, and a single VNet can already host and connect many resource types; creating multiple VNets is therefore primarily about governance and isolation that reduce risk and enforce organizational policies.

When you register an application through the Azure portal, an application object and service principal are automatically created in your home directory or tenant.

Microsoft documents describe Microsoft Entra Privileged Identity Management (PIM) as the service that delivers approval-based, time-limited elevation to privileged roles. Official guidance states: “Privileged Identity Management (PIM) enables you to manage, control, and monitor access to important resources in Microsoft Entra ID, Azure, and Microsoft 365.” PIM specifically supports just-in-time and time-bound activations: “PIM provides just-in-time privileged access to Microsoft Entra roles and Azure resources” and “allows you to make access time-bound by setting start and end dates.” It also supports approval workflows: “You can require approval to activate privileged roles, and designate approvers to receive and approve requests.” Additional controls include “require multi-factor authentication to activate, provide a justification, and ticket number,” and auditing: “PIM records all activations and changes for review and alerting.”

By contrast, Microsoft Entra ID Protection focuses on risk detections and automated remediation, not role elevation workflows. Conditional Access enforces access policies at sign-in and session but does not provide approval-based role activation. Access Reviews help you “review and attest to continued access” but do not supply just-in-time elevation. Therefore, the Microsoft Purview/Entra feature that implements approval-based, time-bound role activation is Microsoft Entra Privileged Identity Management (PIM).

The Microsoft Service Trust Portal contains details about Microsoft's implementation of controls and processes that protect our cloud services and the customer data therein.

In Microsoft 365 Defender, security signals from across Microsoft 365 services are raised as alerts. Microsoft’s documentation defines an incident as “a collection of correlated alerts” that represent the end-to-end story of an attack. The incident object aggregates the related signals, entities, and evidence so analysts can triage and remediate holistically rather than handling individual alerts in isolation. Microsoft further explains that incidents “group together related alerts, assets, users, and evidence” to reduce noise and provide context for investigation, and that automated correlation “helps SOCs focus on what matters most” by stitching alerts from Defender for Endpoint, Defender for Office 365, Defender for Identity, and Microsoft Defender for Cloud Apps into one case. Within an incident, analysts see a timeline, impacted assets and users, alert details, and recommended actions, and they can trigger response measures (for example, isolate device, block URL/file, or disable user). This contrasts with events (raw telemetry), vulnerabilities (exposure findings managed by Defender Vulnerability Management), and Microsoft Secure Score improvement actions (posture recommendations). Therefore, in the Microsoft 365 Defender portal, an incident is specifically a collection of correlated alerts, designed to streamline investigation and coordinated remediation across the Microsoft 365 security stack.

https://docs.microsoft.com/en-us/azure/active-directory/privileged-identity-management/pim-configure

Privileged Identity Management provides time-based and approval-based role activation to mitigate the risks of excessive, unnecessary, or misused access permissions on resources that you care about. Here are some of the key features of Privileged Identity Management: Provide just-in-time privileged access to Azure AD and Azure resources Assign time-bound access to resources using start and end dates Require approval to activate privileged roles Enforce multi-factor authentication to activate any role Use justification to understand why users activate Get notifications when privileged roles are activated Conduct access reviews to ensure users still need roles Download audit history for internal or external audit Prevents removal of the last active Global Administrator role assignment

Explanation

Azure AD Password Protection detects and blocks known weak passwords and their variants, and can also block additional weak terms that are specific to your organization.

With Azure AD Password Protection, default global banned password lists are automatically applied to all users in an Azure AD tenant. To support your own business and security needs, you can define entries in a custom banned password list.

Microsoft Purview Data Loss Prevention (DLP) is designed to prevent the inadvertent or inappropriate sharing of sensitive data across Microsoft 365 services. Microsoft’s guidance states that DLP “helps you discover, monitor, and protect sensitive items across Microsoft 365,” and that with DLP policies you can “identify, monitor, and automatically protect sensitive items in Exchange Online, SharePoint Online, OneDrive for Business, and Microsoft Teams.” This directly supports option C, because DLP can detect sensitive info in OneDrive documents and automatically apply protective actions such as blocking external sharing, restricting access, or auditing the event.

DLP also provides end-user coaching through policy tips: “Policy tips are informative notices that appear when users are working with content that contains sensitive info … to help prevent data loss.” When a user is about to send or share sensitive data in violation of policy, these tips surface in Outlook and Office apps (including when files are stored in SharePoint/OneDrive), aligning with option A.

By contrast, enabling disk encryption (e.g., BitLocker) and applying device security baselines are endpoint/device management tasks handled through Microsoft Intune or Group Policy—not by DLP. Therefore, A and C are the correct tasks you can implement with Microsoft 365 DLP policies.