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MS-900 Describe Microsoft 365 apps and services Practice Question
This MS-900 practice question tests your understanding of describe microsoft 365 apps and services. 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.
Which of the following are included as part of Microsoft 365 E3 or E5 subscriptions? Choose all that apply. (There are four correct answers.)
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
✓
Microsoft Teams
Microsoft 365 E3 and E5 subscriptions include Microsoft Teams as a core collaboration service, Exchange Online with a 100 GB mailbox and unlimited archive storage via auto-expanding archiving, Windows 10/11 Enterprise E3 for device management and security, and Microsoft Defender for Office 365 (in E5, and as an add-on for E3 but included in the E5 suite). These are standard components of the enterprise-grade plans.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Microsoft often tests the misconception that Azure AD Premium P1 is the only identity tier in E3/E5, but E5 actually includes P2, and that Microsoft 365 Personal is a valid enterprise license, when it is a consumer-only product.
Detailed technical explanation
How to think about this question
Exchange Online archiving uses auto-expanding archiving, which automatically adds additional storage space up to 1.5 TB when the 100 GB mailbox or archive approaches its limit, leveraging the In-Place Archive feature. Microsoft Defender for Office 365 includes Safe Links and Safe Attachments, which use heuristics and machine learning to scan URLs and attachments in real time, and is natively integrated into E5, while E3 requires an additional license. Windows 10/11 Enterprise E3 provides features like DirectAccess, BranchCache, and AppLocker, which are not available in the Pro version included with Microsoft 365 Business plans.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
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FAQ
Questions learners often ask
What does this MS-900 question test?
Describe Microsoft 365 apps and services — This question tests Describe Microsoft 365 apps and services — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Microsoft Teams — Microsoft 365 E3 and E5 subscriptions include Microsoft Teams as a core collaboration service, Exchange Online with a 100 GB mailbox and unlimited archive storage via auto-expanding archiving, Windows 10/11 Enterprise E3 for device management and security, and Microsoft Defender for Office 365 (in E5, and as an add-on for E3 but included in the E5 suite). These are standard components of the enterprise-grade plans.
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.
About these practice questions
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Last reviewed: Jun 30, 2026
This MS-900 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the MS-900 exam.
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