MS-900 Describe Microsoft 365 pricing and support Practice Question
This MS-900 practice question tests your understanding of describe microsoft 365 pricing and support. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company with 200 users currently has Microsoft 365 Business Basic licenses. They need to add Microsoft Defender for Office 365 (Plan 1) and device management capabilities using Microsoft Intune. What is the most cost-effective licensing upgrade to obtain these features?
Business Premium includes Defender for Office 365 Plan 1, Intune, and many other security features, making it the most cost-effective upgrade.
B
Add standalone Microsoft Defender for Office 365 Plan 1
Why wrong: This only covers email security, not device management; you would also need to buy Intune separately, costing more overall.
C
Add standalone Microsoft Intune
Why wrong: Intune alone provides device management but no email security; you would still need Defender for Office 365.
D
Upgrade to Microsoft 365 E3
Why wrong: E3 includes Intune but not Defender for Office 365 Plan 1; you would need to add that separately, making it more expensive than Business Premium.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Upgrade to Microsoft 365 Business Premium
Microsoft 365 Business Premium includes both Microsoft Defender for Office 365 (Plan 1) and Microsoft Intune device management, making it the most cost-effective upgrade from Business Basic. Purchasing these as standalone add-ons would cost more per user than the bundled Business Premium license, which also provides additional security and productivity features.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Upgrade to Microsoft 365 Business Premium
Why this is correct
Business Premium includes Defender for Office 365 Plan 1, Intune, and many other security features, making it the most cost-effective upgrade.
Related concept
Read the scenario before looking for a memorised answer.
✗
Add standalone Microsoft Defender for Office 365 Plan 1
Why it's wrong here
This only covers email security, not device management; you would also need to buy Intune separately, costing more overall.
✗
Add standalone Microsoft Intune
Why it's wrong here
Intune alone provides device management but no email security; you would still need Defender for Office 365.
✗
Upgrade to Microsoft 365 E3
Why it's wrong here
E3 includes Intune but not Defender for Office 365 Plan 1; you would need to add that separately, making it more expensive than Business Premium.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume adding individual add-ons is cheaper, but Microsoft bundles these features in Business Premium at a lower total cost per user than purchasing them separately, and they may overlook that E3 is an enterprise plan with unnecessary extras for a 200-user company.
Detailed technical explanation
How to think about this question
Microsoft 365 Business Premium bundles Azure AD Premium P1, Microsoft Defender for Office 365 Plan 1, and Intune device management into a single per-user license, leveraging conditional access policies and mobile device management (MDM) via the Microsoft Endpoint Manager console. In contrast, standalone add-ons require separate licensing and management overhead, and E3 licenses lack the simplified security automation (e.g., Attack Simulation Training) that Business Premium offers for small-to-medium businesses.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this MS-900 question in full detail.
Describe Microsoft 365 pricing and support — This question tests Describe Microsoft 365 pricing and support — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Upgrade to Microsoft 365 Business Premium — Microsoft 365 Business Premium includes both Microsoft Defender for Office 365 (Plan 1) and Microsoft Intune device management, making it the most cost-effective upgrade from Business Basic. Purchasing these as standalone add-ons would cost more per user than the bundled Business Premium license, which also provides additional security and productivity features.
What should I do if I get this MS-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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