Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A growing company with 120 users currently holds Microsoft 365 Business Basic licenses. They need to add endpoint management (Microsoft Intune) and advanced threat protection (Microsoft Defender for Office 365 Plan 1). They also want to keep their existing Business Basic subscriptions. What is the most cost-effective way to add these capabilities?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Distractor review
Upgrade all users to Microsoft 365 Business Premium
Business Premium includes both Intune and Defender for Office 365, but it also includes desktop Office apps which may not be needed, making it likely more expensive than adding just the required add-ons.
B
Distractor review
Add Microsoft 365 Business Premium licenses as a standalone for all users
This is essentially the same as upgrading; it includes extra features not required.
C
Best answer
Purchase add-on subscriptions for Microsoft Intune Plan 1 and Microsoft Defender for Office 365 Plan 1
These add-ons provide exactly the required capabilities without upgrading the base plan, offering the most cost-effective solution.
D
Distractor review
Switch to Microsoft 365 E3 and drop Business Basic
E3 includes both features but is significantly more expensive per user than Business Basic plus add-ons, and may not be cost-effective for 120 users.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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.
Related practice questions
Related MS-900 practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
During requirements gathering, an IT manager says the organization must let users provision resources from a portal without provider interaction. Cloud concept or benefit best matches this requirement?
Question 2
A compliance-aware administrator is selecting the right Microsoft 365 capability to use Microsoft 365 and another public cloud provider for different workloads. Cloud concept or benefit best matches this requirement?
Question 3
While preparing a Microsoft 365 adoption plan, a consultant is asked to manage leads, opportunities, customer accounts, and sales processes. Microsoft 365 app or service is the best fit?
Question 4
A project manager needs to create a detailed project schedule with a Gantt chart view, task dependencies, critical path analysis, and milestones. The schedule must be shared with team members who can update their tasks, and the manager wants to track progress against a baseline. Which Microsoft 365 app is specifically designed for this type of project management?
Question 5
A project manager wants to schedule a meeting with team members to discuss project progress. They need to find a time that works for everyone based on their calendars. Which Microsoft 365 app should they use?
Question 6
A project manager wants to create a visual dashboard that tracks project tasks, deadlines, and progress. The dashboard should pull data from a Microsoft List and update in real time. Which Microsoft 365 app is best suited for building this interactive dashboard?
FAQ
Questions learners often ask
What does this MS-900 question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Purchase add-on subscriptions for Microsoft Intune Plan 1 and Microsoft Defender for Office 365 Plan 1 — Microsoft 365 Business Basic does not include Intune or Defender for Office 365 Plan 1. These can be added as add-ons: Microsoft Intune Plan 1 and Microsoft Defender for Office 365 Plan 1. Upgrading to Business Premium would include both but also includes desktop Office apps, which might be unnecessary, making add-ons more cost-effective if only those two capabilities are needed. However, Business Premium includes everything, so if they need both, upgrading might be simpler. But the question asks 'most cost-effective' assuming they don't need desktop apps. The add-ons are a la carte, so adding both as add-ons is cost-effective. But we need to check if add-ons are available for Business Basic? Yes, both Intune and Defender for Office 365 can be added to Business Basic. So the correct answer is to purchase add-on subscriptions.
What should I do if I get this MS-900 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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