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Cloudera CDP Data Engineer - Certification Sample Questions:

1. You're working with an Airflow DAG that performs data quality checks on sensitive dat a. How can you ensure data security during the checks?

A) Implement data masking techniques to obfuscate sensitive information during the checks.
B) Utilize environment variables to store sensitive data and access them within the PythonOperator.
C) Store sensitive data like thresholds and comparison values directly within the DAG code.
D) All of the above

2. In Airflow, what is a Hook used for?

A) To visualize task execution and logs
B) To retry failed tasks automatically
C) To connect to external systems and databases
D) To define the execution order of tasks

3. Your Airflow DAG involves tasks that require access to specific resources like databases or external services. How can you ensure these resources are available and properly configured for the DAG execution?

A) Utilize Airflow connections to store and manage resource details securely.
B) Hardcode connection details (credentials, URLs) directly within the DAG code.
C) Grant everyone access to all resources to avoid potential configuration issues.
D) Implement custom logic within each task to dynamically discover and connect to resources.

4. Which of the following commands is used to install PySpark in your development environment?

A) yarn add pyspark
B) brew install pyspark
C) pip install pyspark
D) npm install pyspark

5. Your ETL pipeline processes sensitive dat
a. How can you ensure data security within Airflow?

A) Store passwords and other sensitive data directly within your Airflow code.
B) Grant everyone access to the Airflow web UI to monitor and manage the pipeline.
C) Implement encryption for sensitive data at rest and in transit.
D) Use environment variables to store sensitive credentials for accessing data sources.

Solutions: