CDP-3002 ANSWERS FREE - CDP-3002 REAL SHEETS

CDP-3002 Answers Free - CDP-3002 Real Sheets

CDP-3002 Answers Free - CDP-3002 Real Sheets

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Tags: CDP-3002 Answers Free, CDP-3002 Real Sheets, Latest CDP-3002 Exam Duration, CDP-3002 Certification Questions, CDP-3002 New Real Exam

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Cloudera CDP Data Engineer - Certification Exam Sample Questions (Q275-Q280):

NEW QUESTION # 275
When deploying a Spark application in Kubernetes, what is the purpose of specifying the '-conf spark.kubernetes.driver.pod.name=spark-driver-pod' in the 'spark-submit' command?

  • A. To assign a specific node for the Driver pod.
  • B. To specify the name of the Spark Driver pod.
  • C. To define the Docker image for the Driver pod.
  • D. To name the Executor pods.

Answer: B

Explanation:
The configuration 'spark.kubernetes.driver.pod.name' in the 'spark-submit' command is used to specify the name of the Kubernetes pod that will run the Spark Driver.


NEW QUESTION # 276
What is the correct way to define a start date for a DAG in Apache Airflow, ensuring that the DAG does not trigger immediately upon deployment?

  • A. Set the start date to a future date using the datetime module.
  • B. Leave the start date undefined.
  • C. Use ) to automatically set the start date to one day before the current date.
  • D. Use datetime.now() as the start date.

Answer: A

Explanation:
Setting the start date to a future date using the datetime module ensures that the DAG will not trigger immediately upon deployment but will instead start at the specified future date. This allows for controlled execution and avoids unexpected runs during deployment.


NEW QUESTION # 277
How can you leverage the Cloudera Data Engineering service to monitor the performance and health of your data pipelines?

  • A. Utilize custom scripting to collect and analyze pipeline metrics.
  • B. Manually review log files generated by individual pipeline steps.
  • C. Utilize the built-in monitoring capabilities of the Cloudera Data Engineering service, including dashboards and alerts.
  • D. Integrate the service with a separate external monitoring tool.

Answer: C

Explanation:
While options a and b might seem feasible, they lack efficiency and fault tolerance for complex pipelines. Option c is the most suitable approach. Here's why:Stages and steps: Breaking down the pipeline into stages and steps allows for modularity and easier management. Spark operators: Utilizing Spark operators within the pipeline definition enables efficient data processing using Spark's capabilities. Retries and error handling: Implementing retries and error handling mechanisms ensures the pipeline can recover from failures and continue execution automatically.


NEW QUESTION # 278
You need to create a new Hive table from a Spark DataFrame. What are the different approaches you can consider?

  • A. Directly write the DataFrame to a directory in HDFS and define a corresponding Hive table schema
  • B. All of the above
  • C. Use the DataFrame.write.saveAsTable("table_name") method with appropriate options
  • D. Convert the DataFrame to a temporary table and then use HiveQL commands to create a permanent table

Answer: B

Explanation:
While each option offers a way to create a Hive table from a Spark DataFrame, they provide different levels of control and convenience. Option A requires manual schema definition, while B offers a concise approach with configuration options. Option C might be useful for specific scenarios, but B is generally preferred.


NEW QUESTION # 279
You're deploying your Airflow DAGs to a production environment. What are some key considerations for ensuring security and reliability?

  • A. Schedule DAG runs as frequently as possible to ensure real-time data processing.
  • B. Disable task logging to improve DAG execution performance.
  • C. Configure Airflow to run with high resource limits to handle unexpected spikes in workload.
  • D. Implement role-based access control (RBAC. to restrict access to sensitive DAGs and resources.

Answer: D

Explanation:
Security is paramount in production environments. Option A highlights the importance of using RBAC to control access and prevent unauthorized modifications to DAGs. While resource allocation, logging, and scheduling are important aspects, option A addresses the critical security concern.


NEW QUESTION # 280
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