MS-900 Describe Microsoft 365 apps and services Practice Question
A department needs a shared document library with version history, permissions, and co-authoring for team files. Which service should they primarily use?
⚠ Common exam trap
A common mix-up: candidates confuse OneDrive for Business with SharePoint Online, assuming OneDrive can serve as a team library, but OneDrive lacks the centralized permission management and team-level version history that SharePoint provides for departmental collaboration.
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
✓
SharePoint Online.
SharePoint Online is the correct choice because it provides a centralized, team-based document library with built-in version history, granular permission management, and real-time co-authoring. Unlike OneDrive for Business, which is designed for personal file storage, SharePoint Online supports shared workspaces where multiple users can collaborate simultaneously on the same documents while maintaining full audit trails and access controls.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
SharePoint Online.
Why this is correct
SharePoint Online is Microsoft 365's dedicated content-management service, offering team document libraries with built-in version history, co-authoring, metadata columns, and granular permissions. Versioning in SharePoint retains previous versions of files and allows restore or compare, which directly meets the department's need for a shared, versioned document repository. It is the standard backend for shared files in Teams, Outlook, and many other M365 workloads.
- ✗
OneDrive for Business.
Why it's wrong here
OneDrive for Business is optimized for an individual's work files in their personal cloud drive, not a department-wide repository. Although OneDrive supports sharing and versioning, sharing is fundamentally file-by-file or folder-by-folder from one person's library, and it lacks the site-based structure, metadata, and team-level permissions a department needs. Using it for a large shared library would create a dependency on one employee's storage and ownership.
- ✗
Microsoft Forms.
Why it's wrong here
Microsoft Forms is a survey, quiz, and polling tool that collects structured responses, not a document storage service. It does not create a document library or provide file versioning; its purpose is to gather feedback and export response data to Excel or visualize it in charts. Therefore it cannot host or manage department documents in a versioned library.
- ✗
Microsoft Planner.
Why it's wrong here
Microsoft Planner is a task and project management app built around plans, buckets, and assigned tasks, not document libraries. While tasks can have attachments, Planner does not provide document-level version control, library organization, or shared document editing; it is designed to track work items and deadlines. A department needing a shared document library should use SharePoint, leaving Planner for task tracking.
Go deeper
Related to this question
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Microsoft 365 Global Service Architecture
Key term
OneDrive for Business
OneDrive for Business is a cloud-based file storage and synchronization service from Microsoft, part of Microsoft 365, that lets users store, access, and share work files securely from anywhere.
Key term
SharePoint Online
SharePoint Online is a cloud-based collaboration platform from Microsoft that lets teams create, store, organize, and share content securely from anywhere.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This MS-900 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the MS-900 exam.