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MS-900 Describe Microsoft 365 apps and services Practice Question

Your organization has 500 users and uses Microsoft 365 Business Basic. The sales team frequently works remotely and needs to access their work files on mobile devices. They also need to conduct video meetings with customers. The IT department has been asked to recommend additional Microsoft 365 services to meet these needs without upgrading the existing plan if possible. Which action should the IT department take?

⚠ Common exam trap

Watch out — candidates often assume remote file access requires a VPN or that video meetings need a higher-tier plan like Business Standard, overlooking that Business Basic already includes Teams and OneDrive/SharePoint mobile apps for these exact scenarios.

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

✓

Use the existing OneDrive and SharePoint mobile apps for file access and use Microsoft Teams for video meetings.

Microsoft 365 Business Basic already includes OneDrive and SharePoint for mobile file access via their respective apps, and Microsoft Teams for video meetings. These services meet the sales team's requirements without any additional licensing or plan upgrade, as Teams supports video conferencing and OneDrive/SharePoint provide secure remote file access on mobile devices.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • ✗

    Subscribe to a Microsoft Teams Rooms license for each user.

    Why it's wrong here

    Microsoft Teams Rooms licenses are designed for dedicated conference room systems with specialized audio/video hardware, not for individual user accounts. A per-user Teams Rooms license would be both functionally incorrect and cost-prohibitive, as each user already has Teams included in Microsoft 365 Business Basic for video meetings. This option does nothing to address mobile file access and adds unnecessary expense.

  • ✗

    Upgrade all users to Microsoft 365 Business Standard to get desktop Office and additional features.

    Why it's wrong here

    Upgrading to Microsoft 365 Business Standard would provide desktop versions of Office, but the stated requirements—file access and video meetings—are fully met by Business Basic's cloud-based apps. The existing OneDrive, SharePoint, and Teams capabilities in Business Basic already enable mobile file access and video conferencing. An upgrade would incur additional per-user costs without delivering any relevant benefit beyond desktop Office, which is not needed here.

  • ✗

    Deploy a third-party VPN solution to secure remote access to files.

    Why it's wrong here

    A third-party VPN is unnecessary because OneDrive and SharePoint are cloud services already secured with TLS/HTTPS, encrypting data in transit. VPNs are typically used to access on-premises resources, and they do not improve the cloud file access experience, often degrading performance due to added latency. Microsoft 365 provides built-in security features such as multi-factor authentication and conditional access, so deploying a VPN is an extraneous and ineffective solution for this scenario.

  • ✓

    Use the existing OneDrive and SharePoint mobile apps for file access and use Microsoft Teams for video meetings.

    Why this is correct

    With Microsoft 365 Business Basic, users can access and collaborate on files through the native OneDrive and SharePoint mobile apps, which sync and share documents securely from any device. Microsoft Teams, also included in Business Basic, provides robust video meeting capabilities without requiring any additional licenses. This solution directly satisfies both requirements using existing subscriptions, avoiding extra costs and complexity.

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Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

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