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 currently has Microsoft 365 E3 licenses for all users. They need to retain all Exchange Online mailbox data for 10 years and place legal holds for litigation. Which add-on license provides these retention and eDiscovery capabilities?
Correct. The E5 Compliance add-on includes advanced data governance, retention policies, and legal hold capabilities needed for this scenario.
B
Microsoft 365 E5 Security
Why wrong: Incorrect. E5 Security focuses on threat protection (e.g., Defender for Office 365) and does not cover retention or eDiscovery.
C
Microsoft 365 E5
Why wrong: Incorrect. Upgrading to full E5 is more expensive than the Compliance add-on and includes many features not required, making it less cost-effective.
D
Office 365 E5
Why wrong: Incorrect. Office 365 E5 includes similar compliance tools but is a separate product; the most straightforward add-on for existing Microsoft 365 E3 is the Microsoft 365 E5 Compliance add-on.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Microsoft 365 E5 Compliance
Microsoft 365 E5 Compliance is the correct add-on because it includes advanced eDiscovery (e.g., eDiscovery Premium) and retention capabilities such as Preservation Lock and 10-year retention policies via Microsoft Purview. The base E3 license only provides basic retention and eDiscovery, lacking the extended 10-year retention and litigation hold features required for this scenario.
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.
✓
Microsoft 365 E5 Compliance
Why this is correct
Correct. The E5 Compliance add-on includes advanced data governance, retention policies, and legal hold capabilities needed for this scenario.
Related concept
Read the scenario before looking for a memorised answer.
✗
Microsoft 365 E5 Security
Why it's wrong here
Incorrect. E5 Security focuses on threat protection (e.g., Defender for Office 365) and does not cover retention or eDiscovery.
✗
Microsoft 365 E5
Why it's wrong here
Incorrect. Upgrading to full E5 is more expensive than the Compliance add-on and includes many features not required, making it less cost-effective.
✗
Office 365 E5
Why it's wrong here
Incorrect. Office 365 E5 includes similar compliance tools but is a separate product; the most straightforward add-on for existing Microsoft 365 E3 is the Microsoft 365 E5 Compliance add-on.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse the full Microsoft 365 E5 suite (which includes compliance) with the add-on license, or mistakenly think E5 Security provides retention and eDiscovery, when in fact only the Compliance add-on specifically unlocks those capabilities for existing E3 tenants.
Trap categories for this question
Similar concept trap
Incorrect. Office 365 E5 includes similar compliance tools but is a separate product; the most straightforward add-on for existing Microsoft 365 E3 is the Microsoft 365 E5 Compliance add-on.
Detailed technical explanation
How to think about this question
Under the hood, Microsoft Purview compliance portal uses retention policies with Preservation Lock to enforce immutable retention for up to 10 years, and eDiscovery Premium leverages advanced indexing and review sets for litigation holds. In a real-world scenario, an organization under regulatory compliance (e.g., SEC Rule 17a-4) must use Preservation Lock to prevent tampering, which is only available with E5 Compliance or higher licenses.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
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: Microsoft 365 E5 Compliance — Microsoft 365 E5 Compliance is the correct add-on because it includes advanced eDiscovery (e.g., eDiscovery Premium) and retention capabilities such as Preservation Lock and 10-year retention policies via Microsoft Purview. The base E3 license only provides basic retention and eDiscovery, lacking the extended 10-year retention and litigation hold features required for this scenario.
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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