A data engineer needs to develop integration tests for an ETL process and deploy a version- controlled, packaged workflow into production using an external job scheduler. Which tool should the data engineer use for this job?
A streaming pipeline reads IoT sensor data and writes aggregated results to a Delta table. The engineer wants to ensure that late-arriving records within a certain time window are still processed correctly. Which Structured Streaming feature should be used?
A data engineer is designing a streaming pipeline and wants to limit how long Spark maintains state information for aggregation queries. Which Structured Streaming feature defines how long late data can be processed?
A data engineer only wants to execute the final block of a Python program if the Python variable day_of_week is equal to 1 and the Python variable review_period is True.
Which of the following control flow statements should the data engineer use to begin this conditionally executed code block?
A data engineer that is new to using Python needs to create a Python function to add two integers together and return the sum?
Which of the following code blocks can the data engineer use to complete this task?
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