PL-900 Practice Question: Demonstrate the capabilities of Power Automate
A company has a Power Automate flow that processes incoming emails and creates tasks in Microsoft Planner. The flow includes a 'Parse JSON' action to extract information from the email body. The flow has been working correctly, but after a recent update to the email template, the flow fails with a 'BadRequest' error at the 'Parse JSON' action. What is the most likely cause?
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 email body structure changed and no longer matches the JSON schema
The most likely cause is that the email body structure changed and no longer matches the JSON schema defined in the 'Parse JSON' action. The 'BadRequest' error indicates that the input provided to the action is not in the expected format, which would happen if the email template was updated. Option A is incorrect because expired credentials would cause an authentication error (e.g., 'Unauthorized'). Option C is incorrect because lack of permissions would result in a 'Forbidden' or 'Unauthorized' error. Option D is incorrect because Planner API unavailability would cause errors at the task creation step, not at the parse step.
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 email connection credentials have expired
Why it's wrong here
Expired credentials would cause authentication errors, not 'BadRequest'.
- ✓
The email body structure changed and no longer matches the JSON schema
Why this is correct
'Parse JSON' expects specific structure; changes cause 'BadRequest'.
- ✗
The flow does not have permission to read emails
Why it's wrong here
Permission errors would be 'Unauthorized' or 'Forbidden'.
- ✗
The Microsoft Planner API is unavailable
Why it's wrong here
Planner API unavailability would cause errors at the create task action, not at parse JSON.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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