Topic 1 Question 266
You are building a streaming Dataflow pipeline that ingests noise level data from hundreds of sensors placed near construction sites across a city. The sensors measure noise level every ten seconds, and send that data to the pipeline when levels reach above 70 dBA. You need to detect the average noise level from a sensor when data is received for a duration of more than 30 minutes, but the window ends when no data has been received for 15 minutes. What should you do?
Use session windows with a 15-minute gap duration.
Use session windows with a 30-minute gap duration.
Use hopping windows with a 15-minute window, and a thirty-minute period.
Use tumbling windows with a 15-minute window and a fifteen-minute .withAllowedLateness operator.
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コメント(2)
- 正解だと思う選択肢: C
C. Use hopping windows with a 15-minute window, and a thirty-minute period.
👍 1scaenruy2024/01/03 - 正解だと思う選択肢: D
Option D to me, It aligns with the specified criteria for detecting the average noise level within a 30-minute duration and handling the end of the window when no data is received for 15 minutes.
👍 1Matt_1082024/01/13
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