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 14 of 20.

1. Question 151: Which of the following operations can be used to perform a left join on two DataFrames?
2. Question 152: The code block shown below should return a new DataFrame that is the result of an inner join between DataFrame storesDF and DataFrame employeesDF on column sto…
3. Question 153: The code block shown below should return a new DataFrame that is the result of a position-wise union between DataFrame storesDF and DataFrame acquiredStoresDF.…
4. Question 154: Which of the following code blocks writes DataFrame storesDF to file path filePath as text files overwriting any existing files in that location?
5. Question 155: The code block shown below contains an error. The code block is intended to read JSON at the file path filePath into a DataFrame with the specified schema sche…
6. Question 156: Which of the following describes executors?
7. Question 157: The code block shown below should return a DataFrame containing only the rows from DataFrame storesDF where the value in column sqft is less than or equal to 2…
8. Question 158: Which of the following operations can be used to rename and replace an existing column in a DataFrame?
9. Question 159: The code block shown below should print the schema of DataFrame storesDF. Choose the response that correctly fills in the numbered blanks within the code block…
10. Question 160: The code block shown below contains an error. The code block is intended to create and register a SQL UDF named "ASSESS_PERFORMANCE" using the Python function…