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PL-900 Practice Question: A company uses Power Automate to send approval…
A company uses Power Automate to send approval requests. The flow is triggered when a new item is added to a SharePoint list. However, the flow fails when the item contains a large attachment. What is the most likely cause?
⚠ Common exam trap
Watch out — candidates often confuse SharePoint's large file configuration (which supports files up to 250 GB) with Power Automate's attachment size limit, leading them to incorrectly select Option C.
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
✓
The attachment exceeds the maximum file size allowed by Power Automate
Power Automate imposes a maximum file size limit for attachments processed within flows. When a SharePoint list item includes a large attachment that exceeds this limit, the flow fails during the approval action because the attachment data cannot be transmitted. This is a known constraint in Power Automate, typically around 100 MB for standard connectors, and is the most direct cause of the failure described.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The flow is using the wrong trigger
Why it's wrong here
The trigger is correct for new items.
- ✗
The approval action is not configured for attachments
Why it's wrong here
Approval actions can handle attachments, but size is still limited.
- ✗
The SharePoint list is not properly configured for large files
Why it's wrong here
SharePoint can handle large files, but Power Automate has limits.
- ✓
The attachment exceeds the maximum file size allowed by Power Automate
Why this is correct
Power Automate has a 100 MB limit for file-related actions.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PL-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 PL-900 exam.