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. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 medium-sized business uses Microsoft 365 Business Premium. The HR department needs a secure way to collect employee feedback anonymously. They also need to store the results in a structured format that can be analyzed later. They are considering using Microsoft Forms and Excel. However, the IT department is concerned about data retention and wants to ensure that responses are automatically deleted after 90 days. What should the IT department configure?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Apply a Microsoft Purview retention label to the folder storing the Excel responses with a 90-day retention period.
Option B is correct because Microsoft Purview retention labels can be applied to the folder in SharePoint or OneDrive where the Excel responses are stored, enforcing a 90-day retention period that automatically deletes the data after that time. This meets the IT department's data retention requirement without manual intervention or complex automation, and it integrates directly with the storage location of the structured results.
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.
✗
Create a Power Automate flow that deletes responses after 90 days.
Why it's wrong here
Possible but not the simplest built-in method.
✓
Apply a Microsoft Purview retention label to the folder storing the Excel responses with a 90-day retention period.
Why this is correct
Retention labels can enforce automatic deletion after a specified period.
Related concept
Read the scenario before looking for a memorised answer.
✗
Manually delete the responses every 90 days using the Forms interface.
Why it's wrong here
Manual deletion is not automatic and not recommended.
✗
Set the Forms settings to automatically delete responses after 90 days.
Why it's wrong here
Forms does not have a built-in auto-delete feature for responses.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may assume Microsoft Forms has a built-in auto-delete feature for responses, but it does not; instead, the correct approach involves applying a retention label to the storage location (Excel file in SharePoint/OneDrive) where the structured results are saved.
Detailed technical explanation
How to think about this question
Microsoft Purview retention labels work at the item level in SharePoint and OneDrive, allowing granular control over retention and deletion policies. When applied to a folder containing Excel files, the label enforces a retention period that can be set to 90 days, after which the files are automatically moved to the recycle bin and eventually permanently deleted. This leverages the underlying retention engine in Microsoft 365 Compliance Center, which uses a timer job to evaluate and act on labeled content, ensuring compliance without custom scripting.
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: Apply a Microsoft Purview retention label to the folder storing the Excel responses with a 90-day retention period. — Option B is correct because Microsoft Purview retention labels can be applied to the folder in SharePoint or OneDrive where the Excel responses are stored, enforcing a 90-day retention period that automatically deletes the data after that time. This meets the IT department's data retention requirement without manual intervention or complex automation, and it integrates directly with the storage location of the structured results.
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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