Cloudera CDP Data Engineer - Certification - CDP-3002 FREE EXAM DUMPS QUESTIONS & ANSWERS
What is the role of an Operator in an Apache Airflow DAG?
A To schedule DAG runs based on time or external triggers
A To schedule DAG runs based on time or external triggers
Correct Answer: C
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).
What is the best practice for handling DAG dependencies in Apache Airflow when one DAG's output is another DAG's input?
Correct Answer: D
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).
You're working with a large Spark DataFrame and need to perform an aggregation operation (e.g., can you improve the performance of the aggregation? SUM, COUNT). How
Correct Answer: A
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).
When writing a DataFrame to a CSV file, what potential issues should you consider and how can you address them?
Correct Answer: A
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).
When using Apache Airflow to schedule quality checks, which strategy helps ensure that checks are only run on the most recent data partition?
A Use the LatestOnlyOperator to skip tasks that are not the latest in a series of executions.
A Use the LatestOnlyOperator to skip tasks that are not the latest in a series of executions.
Correct Answer: A
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).
Which of the following statements best describes the process of schema inference in the context of big data processing?
Correct Answer: C
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).
In a CI/CD pipeline, what is a key consideration when integrating Cloudera Data Engineering (CDE. service API calls for deploying Spark jobs, specifically regarding security?
Correct Answer: B
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).
You're building an Airflow DAG that consists of multiple interdependent ETL pipelines. How can you ensure they execute in the correct order and avoid conflicts?
Correct Answer: D
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).