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 marketing manager wants to create a mobile-friendly app that field sales representatives can use to submit expense reports with photos of receipts. The app should automatically save the data to a SharePoint list and send an email notification to the manager. Which two Microsoft 365 technologies should the developer use to build this solution? (Choose two.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Microsoft Power Apps
Microsoft Power Apps is correct because it enables rapid development of mobile-friendly apps with minimal code, allowing field sales representatives to capture expense data and receipt photos directly from their devices. It integrates seamlessly with SharePoint lists for data storage, making it the ideal low-code platform for this custom business app.
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 Power Apps
Why this is correct
Power Apps allows building custom mobile apps with minimal code, connecting to data sources like SharePoint to capture receipts and data.
Related concept
Read the scenario before looking for a memorised answer.
✓
Microsoft Power Automate
Why this is correct
Power Automate can trigger workflows when a new item is added to SharePoint, such as sending an email notification to the manager.
Related concept
Read the scenario before looking for a memorised answer.
✗
Microsoft SharePoint
Why it's wrong here
SharePoint is the data storage (list) but not the tool to build the app or automation; it serves as the backend.
✗
Microsoft Power BI
Why it's wrong here
Power BI is for data visualization and reporting, not for building apps or automations.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse SharePoint as a development tool for building apps, when in reality it is only a data storage service, while Power Apps and Power Automate are the actual low-code development and automation technologies required.
Detailed technical explanation
How to think about this question
Power Apps uses a canvas-based design with connectors to Microsoft Dataverse or SharePoint, enabling real-time data binding and offline capabilities via the mobile app. Under the hood, Power Automate triggers on new SharePoint list items to send email notifications using the Office 365 Outlook connector, leveraging HTTP requests and JSON parsing for attachment handling. In a real-world scenario, the app could use the Camera control to capture receipt images, which are then uploaded as base64-encoded strings to the SharePoint list's attachment field.
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: Microsoft Power Apps — Microsoft Power Apps is correct because it enables rapid development of mobile-friendly apps with minimal code, allowing field sales representatives to capture expense data and receipt photos directly from their devices. It integrates seamlessly with SharePoint lists for data storage, making it the ideal low-code platform for this custom business app.
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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