Databricks Certified Data Engineer Professional Free Practice Exam Questions

164 real Databricks Certified Data Engineer Professional exam questions with answers and AI explanations. Databricks certification prep — page 8 of 17.

  1. Question 98: A Delta Lake table representing metadata about content posts from users has the following schema: user_id LONG, post_text STRING, post_id STRING, longitude FLO…
  2. Question 99: Which indicators would you look for in the Spark UI’s Storage tab to signal that a cached table is not performing optimally? Assume you are using Spark’s MEMOR…
  3. Question 100: Where in the Spark UI can one diagnose a performance problem induced by not leveraging predicate push-down?
  4. Question 101: Each configuration below is identical to the extent that each cluster has 400 GB total of RAM 160 total cores and only one Executor per VM. Given an extremely…
  5. Question 102: A Delta Lake table in the Lakehouse named customer_churn_params is used in churn prediction by the machine learning team. The table contains information about…
  6. Question 104: When using CLI or REST API to get results from jobs with multiple tasks, which statement correctly describes the response structure?
  7. Question 105: The data engineering team is configuring environments for development, testing, and production before beginning migration on a new data pipeline. The team requ…
  8. Question 108: Which statement regarding stream-static joins and static Delta tables is correct?
  9. Question 109: A DLT pipeline includes the following streaming tables: • raw_iot ingests raw device measurement data from a heart rate tracking device. • bpm_stats incrementa…
  10. Question 113: The data engineering team has been tasked with configuring connections to an external database that does not have a supported native connector with Databricks.…