Databricks Certified Associate Developer for Apache Spark — Question 15

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

Answer options

• A. Task
• B. Executor
• C. Node
• D. Job
• E. Slot

Correct answer: A

Explanation

The correct answer is A, Task, as it represents the smallest unit of work in Spark's execution model. The other options, such as Executor, Node, Job, and Slot, refer to higher levels of the hierarchy or resources that manage multiple tasks rather than the individual task itself.