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: Feb 20, 2025

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Question 1

What is the purpose of the retry parameter in an Apache Airflow DAG task?

A : determine task dependencies

B : control the number of retries after a failure

C : manage task scheduling

D : define the task's execution time

Answer: B

Question 2

Which Spark configuration parameter controls the size of shuffle partitions?

A : ark.sql.shuffle.partitions

B : ark.task.cpus

C : ark.driver.memory

D : ark.executor.memory

Answer: A

Question 3

Which component of Apache Airflow helps to visualize the DAGs (Directed Acyclic Graphs) for ETL pipelines?

A : rflow Web UI

B : rflow Scheduler

C : rflow Executor

D : rflow CLI

Answer: A

Question 4

Which method is recommended to avoid schema inference overhead in Spark SQL queries?

A : spark.conf.set("spark.sql.schema", schema)

B : ly on default schema inference

C : DataFrameReader.option("schema", schema) to specify a schema

D : spark.sql("SET schema = schema")

Answer: C

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: Feb 20, 2025

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