PDE Ingesting and Processing the Data Practice Question
A company uses Workflows to orchestrate a multi-step data pipeline. One step calls an HTTP endpoint that may take up to 10 minutes, but the default Workflows timeout is too short. They also need to handle transient errors with retries. Which TWO configurations should they apply? (Choose 2)
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
✓
Set a step timeout of 600 seconds for the HTTP call step
To extend the timeout, set a step timeout of 600 seconds (10 minutes). To handle transient errors, use a retry policy with appropriate conditions. Setting the entire workflow timeout to 10 minutes is not necessary if individual step timeouts are set. The default retry policy does not cover all transient errors. Adding a dead letter queue is for event-driven patterns, not Workflows.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Set a step timeout of 600 seconds for the HTTP call step
Why this is correct
This extends the timeout for that specific step to 10 minutes.
- ✗
Configure a dead letter queue for failed steps
Why it's wrong here
Dead letter queues are not a native Workflows feature; Workflows can use try-catch but not a separate queue.
- ✗
Use the default retry policy on the step
Why it's wrong here
Default retry policy may not be sufficient; customizing retry with conditions for transient errors is better.
- ✗
Set the workflow execution timeout to 600 seconds
Why it's wrong here
The workflow timeout should be longer than the sum of step timeouts; setting it to 600 may still fail if other steps take time. It's better to set per-step timeout.
- ✓
Add a retry policy on the step with appropriate conditions for transient errors
Why this is correct
A retry policy allows the step to be retried on transient HTTP errors.
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