- A
Microsoft Purview Audit (Premium)
Audit (Premium) offers up to 1 year log retention and allows creation of custom alert policies for specific admin activities, meeting both requirements.
- B
Microsoft Purview Audit (Standard)
Why wrong: While Standard retains logs for 90 days, it does not support custom alerting; only basic search and export are available.
- C
Microsoft Defender for Cloud Apps
Why wrong: Defender for Cloud Apps focuses on shadow IT and anomalous behavior across cloud apps, not specifically on auditing admin actions with custom alerts for all Microsoft 365 activities.
- D
Microsoft Entra ID reporting
Why wrong: Microsoft Entra ID reports cover sign-ins and user provisioning but do not include all admin actions across services like Exchange, SharePoint, or Teams.
MS-900 Practice Question: Describe security, compliance, privacy, and trust in Microsoft 365
This MS-900 practice question tests your understanding of describe security, compliance, privacy, and trust in microsoft 365. 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 security team needs to monitor all administrative activities in Microsoft 365, including creating users, resetting passwords, and modifying policies. They require that logs be retained for at least 90 days and want to create custom alerts for suspicious admin actions (e.g., multiple password resets in a short time). Which Microsoft Purview solution should they use?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"least"Why it matters: You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
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 Purview Audit (Premium)
Microsoft Purview Audit (Premium) is the correct solution because it provides extended log retention of up to one year (or more with add-ons), which meets the 90-day requirement, and it supports custom alert policies via the Microsoft 365 Defender portal to detect suspicious admin activities like multiple password resets. Standard Audit only retains logs for 90 days but lacks the advanced alerting and investigation capabilities needed for custom alerts on admin actions.
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 Purview Audit (Premium)
Why this is correct
Audit (Premium) offers up to 1 year log retention and allows creation of custom alert policies for specific admin activities, meeting both requirements.
Clue confirmation
The clue word "least" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Microsoft Purview Audit (Standard)
Why it's wrong here
While Standard retains logs for 90 days, it does not support custom alerting; only basic search and export are available.
- ✗
Microsoft Defender for Cloud Apps
Why it's wrong here
Defender for Cloud Apps focuses on shadow IT and anomalous behavior across cloud apps, not specifically on auditing admin actions with custom alerts for all Microsoft 365 activities.
- ✗
Microsoft Entra ID reporting
Why it's wrong here
Microsoft Entra ID reports cover sign-ins and user provisioning but do not include all admin actions across services like Exchange, SharePoint, or Teams.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Audit (Standard) with Audit (Premium) because both provide logging, but they overlook that only Premium supports custom alert policies and extended retention beyond 90 days, which is explicitly required for monitoring suspicious admin actions.
Detailed technical explanation
How to think about this question
Purview Audit (Premium) leverages the Unified Audit Log (UAL) in Exchange Online and supports advanced features like high-value user logging, programmatic access via Office 365 Management Activity API, and custom alert policies that can trigger on specific operations (e.g., 'Reset user password' with a threshold of 5 within 10 minutes). Under the hood, these alerts use the Microsoft 365 Defender portal's alert policy engine, which queries the UAL and can integrate with automated investigation and response (AIR) playbooks. In a real-world scenario, a SOC team could create a policy that triggers an alert when an admin performs more than three password resets in an hour, enabling immediate investigation.
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.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Describe security, compliance, privacy, and trust in Microsoft 365 — study guide chapter
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FAQ
Questions learners often ask
What does this MS-900 question test?
Describe security, compliance, privacy, and trust in Microsoft 365 — This question tests Describe security, compliance, privacy, and trust in Microsoft 365 — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Microsoft Purview Audit (Premium) — Microsoft Purview Audit (Premium) is the correct solution because it provides extended log retention of up to one year (or more with add-ons), which meets the 90-day requirement, and it supports custom alert policies via the Microsoft 365 Defender portal to detect suspicious admin activities like multiple password resets. Standard Audit only retains logs for 90 days but lacks the advanced alerting and investigation capabilities needed for custom alerts on admin actions.
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: "least". You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
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 11, 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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