SC-900 Practice Question: Describe the capabilities of Microsoft security solutions
Your organization uses Microsoft Defender for Cloud Apps. A security analyst notices anomalous file downloads from a SharePoint site by a user flagged as high risk. What should the analyst configure to automatically block such activity?
⚠ Common exam trap
It's easy for candidates to confuse session policies with access policies, but access policies control entry (authentication/authorization) while session policies control behavior during an active session, which is required to block specific file downloads in real time.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Configure a session policy
Session policies in Microsoft Defender for Cloud Apps allow real-time monitoring and control of user activities based on risk level. When a user is flagged as high risk, a session policy can be configured to automatically block anomalous file downloads from SharePoint by intercepting the session and applying actions such as block, allow, or restrict. This is the correct choice because it directly addresses the need to prevent the specific activity in real time.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Configure a file policy
Why it's wrong here
Configuring a file policy in Microsoft Defender for Cloud Apps is designed to govern how files are classified, shared, and managed within connected cloud applications. These policies primarily focus on scanning files at rest or enforcing rules upon file upload or download completion, often for data loss prevention (DLP) or compliance. However, they do not provide the real-time, in-session proxying capabilities required to dynamically intercept and block a download action as it is initiated by a user during an active session.
- ✗
Configure an access policy
Why it's wrong here
An access policy in Microsoft Defender for Cloud Apps, often integrated with Azure AD Conditional Access, determines whether a user is permitted to access a cloud application at all. These policies evaluate conditions such as user identity, device compliance, or network location *before* granting access to the application. They are not designed to monitor or control specific user actions, like blocking a download, *within* an already established and active application session.
- ✗
Configure an app permission policy
Why it's wrong here
App permission policies in Microsoft Defender for Cloud Apps are used to discover, investigate, and govern third-party applications that have been granted permissions (via OAuth or similar mechanisms) to access data within your connected cloud services. These policies focus on managing the scope of permissions an application holds and identifying risky apps. They do not provide the granular, real-time control over user activities within sanctioned applications, such as blocking a specific download during a user's session.
- ✓
Configure a session policy
Why this is correct
Configuring a session policy is the correct approach because these policies leverage Microsoft Defender for Cloud Apps' Conditional Access App Control to act as a reverse proxy, intercepting and inspecting user sessions in real-time. This allows administrators to apply granular, context-aware controls over user activities within cloud applications, such as blocking downloads, preventing uploads of sensitive files, or restricting copy-paste actions. Session policies are specifically designed for real-time monitoring and control of ongoing user interactions.
Go deeper
Related to this question
Learn chapter
Core Security Concepts
Key term
User
A user is any person, system, or device that interacts with an IT service, resource, or identity system, typically authenticated through credentials and authorized to perform specific actions.
Key term
Defender for Cloud
Microsoft Defender for Cloud is a cloud security posture management (CSPM) and cloud workload protection platform (CWPP) that provides unified security management and threat protection across hybrid and multi-cloud environments.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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