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. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. 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.
Exhibit
{
"exhibit": "The following is a snippet from a Microsoft 365 admin center report:\\nProduct: Microsoft 365 Business Premium\\nAssigned licenses: 150\\nActive users: 120\\nUnused licenses: 30\\n"
}
Refer to the exhibit. The administrator wants to reduce costs by reclaiming unused licenses. However, they must ensure that no user loses access to services. What should they do?
{
"exhibit": "The following is a snippet from a Microsoft 365 admin center report:\\nProduct: Microsoft 365 Business Premium\\nAssigned licenses: 150\\nActive users: 120\\nUnused licenses: 30\\n"
}
A
Purchase fewer licenses next month to offset the unused count
Why wrong: Does not address current over-licensing.
B
Identify users with no activity for 90 days and remove their licenses
A 90-day inactivity period is a common threshold to confirm unused accounts.
C
Remove licenses from 30 users who have not logged in for 30 days
Why wrong: 30 days may be too short; some users may be on leave.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Identify users with no activity for 90 days and remove their licenses
Option B is correct because the administrator should identify users with no activity for 90 days and then remove their licenses. This approach directly reclaims unused licenses while ensuring that only truly inactive users lose access, minimizing the risk of disrupting active users. Microsoft 365 provides usage reports (e.g., in the Microsoft 365 admin center) that can show sign-in activity over the last 30, 60, or 90 days, allowing precise identification of dormant accounts.
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.
✗
Purchase fewer licenses next month to offset the unused count
Why it's wrong here
Does not address current over-licensing.
✓
Identify users with no activity for 90 days and remove their licenses
Why this is correct
A 90-day inactivity period is a common threshold to confirm unused accounts.
Related concept
Read the scenario before looking for a memorised answer.
✗
Remove licenses from 30 users who have not logged in for 30 days
Why it's wrong here
30 days may be too short; some users may be on leave.
✗
Reassign the 30 unused licenses to new users
Why it's wrong here
Does not reduce license count.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse 'reclaiming unused licenses' with 'reassigning licenses' or use an overly short inactivity period (30 days), failing to recognize that Microsoft 365 requires a longer, more conservative threshold to avoid disrupting users who are temporarily inactive.
Detailed technical explanation
How to think about this question
Under the hood, Microsoft 365 licenses are assigned per user and are not pooled; removing a license from a user immediately revokes access to all associated services (e.g., Exchange Online, SharePoint, Teams) within minutes. The Microsoft 365 admin center's 'Reports > Usage' section provides detailed sign-in activity data, including the last sign-in date, which can be exported via PowerShell (Get-MgUser -Filter 'signInActivity/lastSignInDateTime le ...') for bulk processing. A 90-day threshold is commonly recommended because it aligns with typical employee leave policies and reduces false positives from infrequent users.
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: Identify users with no activity for 90 days and remove their licenses — Option B is correct because the administrator should identify users with no activity for 90 days and then remove their licenses. This approach directly reclaims unused licenses while ensuring that only truly inactive users lose access, minimizing the risk of disrupting active users. Microsoft 365 provides usage reports (e.g., in the Microsoft 365 admin center) that can show sign-in activity over the last 30, 60, or 90 days, allowing precise identification of dormant accounts.
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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