PL-900 Practice Question: Demonstrate the capabilities of Power Automate
You are building a Power Automate flow that automatically creates a calendar event in Outlook when a customer booking is confirmed in a third-party system. The flow uses a trigger that polls the third-party system every 5 minutes. Which type of trigger is this?
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
✓
Polling trigger
Polling triggers check for new data at a set interval, such as every 5 minutes. Option A is incorrect because webhook triggers are event-based and fire immediately when data changes, not on a schedule. Option C is incorrect because manual triggers require user interaction to start the flow. Option D is incorrect because scheduled triggers run at specified times but do not necessarily poll a system; they are used to schedule recurring actions.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Webhook trigger
Why it's wrong here
Webhook triggers are event-driven, not polling-based.
- ✓
Polling trigger
Why this is correct
Polling triggers check for new data at regular intervals.
- ✗
Manual trigger
Why it's wrong here
Manual triggers require someone to start the flow.
- ✗
Scheduled trigger
Why it's wrong here
Scheduled triggers run on a schedule but do not poll external systems.
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