Questions

Try your hand at these practice questions to test your knowledge of Apache Spark:

Question 1:

What is a task in Spark?

1. The unit of work performed for each data partition within a task is the slots
2. A task is the second-smallest entity that can be executed within Spark
3. Tasks featuring wide dependencies can be combined into a single task
4. A task is the smallest component that can be executed within Spark

Question 2:

What is the role of an executor in Spark?

1. The executor’s role is to request the transformation of operations into a directed acyclic graph (DAG)
2. There can only be one executor within a Spark environment
3. Executors are tasked with executing the assignments provided to them by the driver
4. The executor schedules queries for execution

Question 3:

Which of the following is one of the tasks of Adaptive Query Execution in Spark?

1. Adaptive Query Execution collects runtime statistics during query...