Cloudera CDP Data Engineer - Certification : CDP-3002

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Cloudera CDP-3002 Exam Syllabus Topics:

Cloudera CDP Data Engineer - Certification Sample Questions:

Question 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. All of the above
C. Store sensitive data like thresholds and comparison values directly within the DAG code.
D. Utilize environment variables to store sensitive data and access them within the PythonOperator.

Question 2

You are setting up a Spark Driver pod in Kubernetes and need to specify resource requests and limits. Which of the following configurations ensures that the Spark Driver has at least 1 CPU and 1 Gi of memory but can use up to 2 CPUs and 2 Gi of memory if available?

A. Option D
B. Option A
C. Option B
D. Option C

Question 3

What does setting the Spark configuration parameter 'spark.sql.shuffle.partitions' impact?
A The default level of parallelism for joins and aggregations

A. The memory allocation for executor instances
B. The serialization format of data
C. The compression codec used for shuffle files

Question 4

How does the Cloudera Optimization Framework leverage columnar storage formats for query performance improvement?

A. By reducing network traffic through columnar data replication
B. By encrypting data stored in columnar formats
C. By allowing more efficient data scans and operations on compressed data
D. By enabling more efficient compression and encoding schemes

Question 5

What is the recommended way to handle dependencies between data quality checks in Apache Airflow to ensure that checks are performed in a specific sequence?

A. Use the depends_on_past parameter in each data quality check task.
B. Explicitly set task dependencies using the set_upstream or set_downstream methods.
C. Implement each data quality check as a separate DAG.
D. Use the SequentialExecutor for the Airflow environment.

Solutions: