PL-900 Practice Question: Manage the Microsoft Power Platform environment
Your organization uses Power Automate to automate business processes. A flow that runs daily fails intermittently with 'HTTP 429 - Too Many Requests' errors. What should you do to resolve this issue?
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
✓
Configure retry policies with exponential backoff in the flow actions.
HTTP 429 errors indicate throttling. Configuring retry policies with exponential backoff allows the flow to automatically retry failed actions after a delay, reducing the request rate and respecting service limits. Option A is incorrect because increasing the frequency would increase the number of requests, worsening the issue. Option B is incorrect because changing the trigger type does not address throttling. Option C is incorrect because setting up an on-premises data gateway does not affect throttling limits; it is used for accessing on-premises data sources.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Increase the frequency of the flow to run more often.
Why it's wrong here
This would increase the number of requests, exacerbating throttling.
- ✗
Change the flow trigger from a schedule to an instant trigger.
Why it's wrong here
This changes when the flow runs but does not address throttling.
- ✗
Set up an on-premises data gateway to bypass the throttling limits.
Why it's wrong here
On-premises data gateway is for accessing on-premises data, not for throttling.
- ✓
Configure retry policies with exponential backoff in the flow actions.
Why this is correct
Retry policies with backoff help manage throttling by spacing out retries.
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Written by Johnson Ajibi, MSc IT Security
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