Databricks Certified Associate Developer for Apache Spark Free Practice Exam Questions

195 real Databricks Certified Associate Developer for Apache Spark exam questions with answers and AI explanations. Databricks certification prep — page 1 of 20.

1. Question 1: Which of the following statements about Spark’s stability is incorrect?
2. Question 2: Which of the following operations fails to return a DataFrame with no duplicate rows?
3. Question 3: Of the following situations, in which will it be most advantageous to store DataFrame df at the MEMORY_AND_DISK storage level rather than the MEMORY_ONLY stora…
4. Question 5: Which of the following describes the relationship between nodes and executors?
5. Question 6: Which of the following will occur if there are more slots than there are tasks?
6. Question 9: Which of the following code blocks will most quickly return an approximation for the number of distinct values in column division in DataFrame storesDF?
7. Question 11: The code block shown below contains an error. The code block is intended to return a new DataFrame that is the result of a cross join between DataFrame storesD…
8. Question 12: The code block shown below should create a single-column DataFrame from Python list years which is made up of integers. Choose the response that correctly fill…
9. Question 13: The code block shown below contains an error. The code block is intended to cache DataFrame storesDF only in Spark’s memory and then return the number of rows…
10. Question 15: Which of the following is the most granular level of the Spark execution hierarchy?