MS-900 Describe Microsoft 365 apps and services Practice Question
A marketing manager wants to create a central repository for project documents, announcements, and a shared calendar. The solution must be accessible from Microsoft Teams and allow team members to co-author documents in real time. Which Microsoft 365 service should be used?
⚠ Common exam trap
Candidates often confuse Microsoft Planner (task management) or Microsoft Lists (data tracking) with a full document and calendar repository, overlooking that SharePoint Online is the underlying service that provides the document library, calendar, and announcements that can be surfaced in Teams.
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 (team site)
SharePoint Online team sites provide a centralized document library, announcements, and shared calendar that can be integrated directly into Microsoft Teams via the SharePoint tab. Team members can co-author documents in real time using Office Online integration, which supports simultaneous editing with auto-save. This makes SharePoint the correct choice for a central repository with real-time collaboration accessible from Teams.
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 (team site)
Why this is correct
SharePoint Online team sites function as true central collaboration repositories, providing document libraries with co-authoring, version history, list apps, and a shared team calendar through the site's built-in Calendar list. Because a team site can be added as a tab in Microsoft Teams, it consolidates files, announcements, and events in one managed, permission-controlled location. This makes it the only option that simultaneously satisfies the marketing manager's requirement for a central repository with calendar and document management.
- ✗
Microsoft Lists
Why it's wrong here
Microsoft Lists is a data-tracking application for building structured lists (e.g., issue tracking, event registrations, custom inventories) with columns, views, and conditional formatting. Although it can display a calendar view of list items, it does not provide a true document library or a shared team calendar, and it cannot act as a general-purpose repository for storing and co-authoring files. Its purpose is list-based data capture, not the consolidated collaboration hub described in the scenario.
- ✗
Power Automate
Why it's wrong here
Power Automate is an integration and workflow automation platform that connects apps and services by building cloud flows to automate repetitive tasks, such as sending approvals or copying data. It has no native storage capabilities, nor does it host documents or offer a calendar—it acts as the process-orchestration layer between systems, not as the repository itself. Therefore, selecting Power Automate would address automation needs but not the central repository and calendar requirement.
- ✗
Microsoft Planner
Why it's wrong here
Microsoft Planner is a lightweight task-management tool organized into Plans and Buckets where team members assign work items, set due dates, and track progress using charts and board views. While it provides a calendar-like grid for task deadlines, it does not store documents as a central repository, does not support co-authoring files, and lacks an actual shared team calendar with events. Planner focuses on who-does-what and deadlines, leaving document storage and event scheduling outside its scope.
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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.
Key term
Microsoft 365
Microsoft 365 is a subscription-based cloud service from Microsoft that combines productivity tools like Office apps with security, device management, and online storage.
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