DP-203 Certification Practice Question #154

Question

A company uses Azure Stream Analytics to monitor devices.
The company plans to double the number of devices that are monitored.
You need to monitor a Stream Analytics job to ensure that there are enough processing resources to handle the additional load.
Which metric should you monitor?

Accepted Answer

The question is about whether the Stream Analytics job has enough processing resources after device volume doubles. Microsoft Learn explicitly says watermark delay increases when the job cannot keep up with incoming data because of insufficient processing resources. That makes watermark delay the best operational signal for capacity pressure, whereas the other metrics reflect event-quality or parsing issues rather than end-to-end lag.

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