MS-900 Practice Question: Describe Microsoft 365 pricing, licensing, and support
This MS-900 practice question tests your understanding of describe microsoft 365 pricing, licensing, and support. Compare every option against the stated constraints before choosing — the best answer satisfies all requirements, not just the most obvious one. 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.
Contoso Ltd. is a mid-sized company with 1,200 employees. They currently use on-premises Exchange and SharePoint. They plan to migrate to Microsoft 365 and have decided to use Microsoft 365 E3 for all users. The IT department is concerned about the cost of add-on services. The CFO wants to minimize monthly expenses while ensuring that users have access to Exchange Online, SharePoint Online, Teams, and OneDrive. Additionally, the company needs to meet basic compliance requirements such as retention policies and eDiscovery. They do not require advanced security features like Microsoft Defender for Office 365 P2 or Microsoft Purview Data Loss Prevention. Which approach should the IT department recommend to meet these requirements at the lowest cost?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "minimum / minimize"
Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use Microsoft 365 E3 without any add-ons
Microsoft 365 E3 includes Exchange Online, SharePoint Online, Teams, and OneDrive, as well as core compliance features like retention policies and eDiscovery (via Microsoft Purview). Since the company does not require advanced security add-ons, no additional purchases are needed, making E3 the lowest-cost option that meets all stated requirements.
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.
✗
Use Microsoft 365 E3 and add Microsoft Purview Compliance Manager
Why it's wrong here
Adds cost for compliance features not required.
✗
Use Microsoft 365 Business Premium for all users
Why it's wrong here
Business Premium is limited to 300 users, not suitable for 1,200.
✓
Use Microsoft 365 E3 without any add-ons
Why this is correct
E3 includes core services and basic compliance, meeting all requirements without extra cost.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use Microsoft 365 E5 for all users
Why it's wrong here
E5 includes advanced security and compliance, increasing cost unnecessarily.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may assume Microsoft 365 E3 lacks basic compliance features and incorrectly choose to add an add-on like Compliance Manager, or they may overlook the user count limitation of Business Premium, leading them to select a plan that is either overpriced or ineligible.
Detailed technical explanation
How to think about this question
Microsoft 365 E3 includes the core compliance capabilities of Microsoft Purview (formerly Microsoft 365 Compliance Center), such as retention policies via the Security & Compliance Center and eDiscovery (Standard) for searching and exporting content from Exchange Online, SharePoint Online, and OneDrive for Business. These features are governed by service-level configurations rather than additional licensing, so no add-ons are needed for basic compliance. In a real-world scenario, an organization might mistakenly purchase Compliance Manager thinking it is required for retention, but Compliance Manager is a premium assessment tool for regulatory frameworks, not a prerequisite for retention policies.
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, licensing, and support — This question tests Describe Microsoft 365 pricing, licensing, and support — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use Microsoft 365 E3 without any add-ons — Microsoft 365 E3 includes Exchange Online, SharePoint Online, Teams, and OneDrive, as well as core compliance features like retention policies and eDiscovery (via Microsoft Purview). Since the company does not require advanced security add-ons, no additional purchases are needed, making E3 the lowest-cost option that meets all stated requirements.
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.
Are there clue words in this question I should notice?
Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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