Question 1

What is the impact of using cost-based optimization in the Cloudera Optimization Framework?

Options :

A : It simplifies query syntax

B : It speeds up data transfer

C : It selects the most efficient execution plan based on cost estimates

D : It reduces storage requirements

Answer: C

Question 2

Which Kubernetes resource is most commonly used to deploy a Spark application in a Cloudera environment?

Options :

A : Deployment

B : Pod

C : SparkApplication

D : ConfigMap

Answer: C

Question 3

Which method allows you to debug a DAG in Apache Airflow?

Options :

A : By using the Airflow CLI

B : By restarting the Airflow server

C : By checking the Airflow Web UI logs

D : By editing the DAG file directly

Answer: C

Question 4

How can dynamic partitioning improve the performance of ETL processes in Cloudera?

Options :

A : By increasing the number of partitions

B : By improving data distribution

C : By optimizing network throughput

D : By reducing the need for manual data management

Answer: B

Question 5

Which method allows you to debug a DAG in Apache Airflow?

Options :

A : By using the Airflow CLI

B : By restarting the Airflow server

C : By checking the Airflow Web UI logs

D : By editing the DAG file directly

Answer: C