Which of the following describes the Spark driver?

Which of the following describes the relationship between nodes and executors?

Which of the following will occur if there are more slots than there are tasks?

Which of the following is the most granular level of the Spark execution hierarchy?

Which of the following statements about Spark jobs is incorrect?

Which of the following operations is most likely to result in a shuffle?

The default value of spark.sql.shuffle.partitions is 200. Which of the following describes what that means?

Which of the following is the most complete description of lazy evaluation?

Which of the following DataFrame operations is classified as an action?

Which of the following DataFrame operations is classified as a wide transformation?