MS-900 Describe Microsoft 365 apps and services Practice Question
A company is planning to migrate its collaboration tools to Microsoft 365. They need a solution for real-time document co-authoring, instant messaging, and video conferencing, all in one integrated platform. Which two Microsoft 365 services should they use? (Choose two.)
⚠ Common exam trap
It's easy for candidates to confuse OneDrive for Business (a personal sync tool) with SharePoint (a team-based document management platform), or they assume Microsoft Stream provides live video conferencing, when in fact Stream is for recorded video management and Teams handles live meetings.
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
✓
Microsoft SharePoint
Microsoft SharePoint is correct because it provides the document storage and versioning infrastructure that enables real-time co-authoring of documents (e.g., Word, Excel, PowerPoint) via the Office Online Server integration. Microsoft Teams is correct because it integrates instant messaging, persistent chat, and video conferencing (using the underlying Skype for Business Online technology) with SharePoint and OneDrive for seamless file sharing and co-authoring within the same interface.
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 SharePoint
Why this is correct
Correct. Microsoft SharePoint provides cloud-based team sites that act as a central document repository, with version history, metadata, and permission controls. Real-time co-authoring in SharePoint allows multiple users to edit the same document simultaneously in a browser, making it a core collaboration workload rather than merely storage. For an organization migrating collaboration tools, SharePoint Online is the backbone for structured file sharing and intranet portals.
- ✓
Microsoft Teams
Why this is correct
Correct. Microsoft Teams combines persistent chat, audio/video meetings, and channels, and each team is backed by a SharePoint site for file storage. Users can co-author Office documents directly inside Teams through integrated file tabs, while meeting scheduling and real-time presence support synchronous collaboration. Teams is the primary user-facing hub for communication, with SharePoint providing the underlying content services for the team's files.
- ✗
Microsoft OneDrive
Why it's wrong here
Incorrect. OneDrive for Business is optimized for individual file storage, syncing a user's personal work files across devices, and sharing them with specific people via links. Although OneDrive can support basic co-authoring of Office files, it lacks team-oriented constructs like channels, persistent group chat, or meeting spaces, and its sharing model is anchored to an individual's library rather than a team site. Therefore it is not a full collaboration-platform replacement for migrating team collaboration tools.
- ✗
Microsoft Stream
Why it's wrong here
Incorrect. Microsoft Stream is a video hosting and streaming service for recorded meetings, presentations, and training content, with features like transcripts and permissions. It supports playback and sharing but not real-time co-authoring or collaborative editing; while Teams meeting recordings are stored in OneDrive/SharePoint and can appear in Stream, Stream itself does not provide the interactive workspace required for migrating collaboration tools. Thus it is a content-delivery complement, not a collaboration platform.
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Microsoft Power Platform Overview
Key term
Microsoft Teams
Microsoft Teams is a collaboration platform that integrates chat, video meetings, file storage, and application integration into a single workspace, primarily used within the Microsoft 365 ecosystem.
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
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