Google Cloud Professional Data Engineer PDE — Topic 1 Question 172

Question

You are analyzing the price of a company's stock. Every 5 seconds, you need to compute a moving average of the past 30 seconds' worth of data. You are reading data from Pub/Sub and using DataFlow to conduct the analysis. How should you set up your windowed pipeline?

Accepted Answer

Correct answer: D. The correct answer is D. Option D: Use a sliding window with a duration of 30 seconds and a period of 5 seconds. Emit results by setting the following trigger: AfterWatermark.pastEndOfWindow ().

Google Cloud Professional Data Engineer PDE — Question 172