Databricks Certified Data Engineer - Professional
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In a scenario where you are tasked with optimizing the performance of a Spark application running on Azure Databricks, you need to identify and resolve performance bottlenecks under the constraints of minimizing cost while ensuring compliance with data governance policies. The application processes large datasets and is expected to scale efficiently. Which of the following steps is the MOST effective first step to identify performance bottlenecks, and why? Choose one option.