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.
A hospital uses Microsoft 365 E5. They need to archive patient emails for 7 years and enable legal hold for ongoing litigation. Which two Microsoft Purview features should they use? (Select TWO.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Retention policies
Retention policies (B) are correct because they allow the organization to define rules that preserve patient emails for a specific duration, such as 7 years, to meet regulatory compliance requirements. Litigation hold (C) is correct because it preserves all mailbox content, including deleted items, in its original state for the duration of ongoing litigation, preventing any alteration or deletion.
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.
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Sensitivity labels
Why it's wrong here
Incorrect. Sensitivity labels classify data but do not archive or hold.
✓
Retention policies
Why this is correct
Correct. Retention policies can archive emails for 7 years.
Related concept
Read the scenario before looking for a memorised answer.
✓
Litigation hold
Why this is correct
Correct. Litigation hold preserves all mailbox content for legal cases.
Related concept
Read the scenario before looking for a memorised answer.
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Data Lifecycle Management
Why it's wrong here
Incorrect. This is a category, not a specific feature.
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eDiscovery
Why it's wrong here
Incorrect. eDiscovery searches content but does not apply holds.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse 'Litigation hold' with 'eDiscovery hold' or think that 'Data Lifecycle Management' is a standalone feature in Microsoft Purview, when in fact the correct feature for time-based retention is 'Retention policies' and for legal preservation is 'Litigation hold'.
Detailed technical explanation
How to think about this question
Retention policies in Microsoft Purview use a timer-based mechanism that starts from the content's creation date or last modification, and they can be applied to Exchange mailboxes, SharePoint sites, OneDrive accounts, and Teams. Litigation hold places a mailbox on 'In-Place Hold' status, which preserves all items, including those modified or deleted, by storing them in the Recoverable Items folder with a quota of up to 100 GB. A common real-world scenario is a healthcare organization needing to comply with HIPAA retention requirements while simultaneously preserving evidence for a lawsuit, where both features work together: retention policies for the fixed 7-year period and litigation hold for the indefinite legal hold.
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.
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 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: Retention policies — Retention policies (B) are correct because they allow the organization to define rules that preserve patient emails for a specific duration, such as 7 years, to meet regulatory compliance requirements. Litigation hold (C) is correct because it preserves all mailbox content, including deleted items, in its original state for the duration of ongoing litigation, preventing any alteration or deletion.
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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