MS-900 Practice Question: Describe security, compliance, privacy, and trust in Microsoft 365
A compliance-aware administrator is selecting the right Microsoft 365 capability to delete content automatically after a defined retention period. Microsoft security, identity, or compliance capability should it use?
⚠ Common exam trap
It's easy for candidates to confuse productivity tools (Forms, Planner, Stream) with compliance capabilities, assuming they have built-in retention features, when in fact only retention policies and labels provide automated deletion based on a defined period.
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
✓
Retention policy or retention label
Retention policies and retention labels are the Microsoft 365 compliance capabilities designed to automatically delete content after a defined retention period. They enforce data lifecycle management by applying rules to content in Exchange, SharePoint, OneDrive, and Teams, ensuring compliance with regulatory requirements. Microsoft Forms, Planner, and Stream are productivity or collaboration tools, not compliance capabilities for automated deletion.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Microsoft Forms
Why it's wrong here
Microsoft Forms is a survey and quiz tool that collects responses into an Excel workbook or Forms itself. It has no policy engine for content lifecycle management, so it cannot automatically retain or delete data based on compliance requirements. While Forms data resides in SharePoint/OneDrive behind the scenes, the service itself offers no retention controls, making it unsuitable for this purpose.
- ✗
Microsoft Planner
Why it's wrong here
Microsoft Planner is a task management application built on Microsoft 365 Groups, but it does not provide any native retention or disposition capabilities. Planner tasks and their associated data can be retained indirectly via the underlying group mailbox or SharePoint site, yet Planner itself lacks the ability to define or apply retention policies or labels. A compliance administrator needs a dedicated information governance tool, not a task board.
- ✗
Microsoft Stream
Why it's wrong here
Microsoft Stream is a video hosting and sharing service, not a compliance or governance feature. Although videos stored in Stream might be subject to retention policies via the underlying SharePoint or OneDrive storage, Stream itself offers no mechanism to create retention policies, apply retention labels, or schedule deletion. Its focus is on media playback and organization, not on enforcing data lifecycle rules for regulatory compliance.
- ✓
Retention policy or retention label
Why this is correct
Retention policies and retention labels are the core Microsoft 365 compliance tools for data lifecycle governance. A retention policy can be configured to retain content for a specified period and then delete it, or simply retain it indefinitely, across workloads like Exchange, SharePoint, OneDrive, and Teams. Similarly, retention labels allow granular, item-level control and can be combined with event-based retention or disposition reviews. This capability directly meets the requirement to retain and later delete content according to policy.
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Related to this question
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Microsoft Compliance Manager and Score
Key term
Planner
Planner is a Microsoft 365 tool for teams to create, assign, track, and manage tasks visually using boards and charts.
Key term
Collaboration
Collaboration in Microsoft 365 refers to the integrated tools and services that enable people to work together in real time, share information, and coordinate tasks from anywhere.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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