Free Cloudera CDP-3002 Exam Questions

Become Cloudera Certified with updated CDP-3002 exam questions and correct answers

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Total 300 Questions | Updated On: Oct 27, 2025

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Question 1

What is the best approach to implement incremental extraction in Apache Airflow?

A : a hash column in source table

B : a last_modified column in source table

C : a start_date parameter in DAG

D : a unique key in source table

Answer: B

Question 2

What is the role of spark.sql.parquet.columnar in schema management?

A : sets the maximum size of Parquet files

B : controls the use of columnar storage for Parquet files

C : specifies the schema format for Parquet files

D : defines the number of partitions for Parquet files

Answer: B

Question 3

What is a key feature of Airflow’s scheduler in handling ETL jobs?

A : riodic scheduling

B : al-time job execution

C : mediate job execution

D : nual job execution

Answer: A

Question 4

What is a key method for improving join performance in Cloudera's Hadoop ecosystem?

A : hash joins

B : crease cluster size

C : nested loops

D : crease network bandwidth

Answer: A

Question 5

What is the purpose of Spark's spark.sql.shuffle.partitions parameter?

A : control the number of tasks for a job

B : set the number of cores for a Spark application

C : adjust the memory allocated to Spark executors

D : control the number of partitions for shuffle operations

Answer: D

Page: 1 / 60

Total 300 Questions | Updated On: Oct 27, 2025

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