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Cloudera CDP-3002 Exam Overview:
| Certification Vendor: | Cloudera |
|---|---|
| Exam Name: | CDP Data Engineer - Certification Exam |
| Exam Number: | CDP-3002 |
| Certificate Validity Period: | 3 years |
| Related Certifications: | CDP Generalist Cloudera Certified Data Engineer |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 50 |
| Available Languages: | English |
| Exam Price: | $330 USD |
| Exam Format: | Scenario-Based Questions, Multiple Choice, Multiple Response |
| Passing Score: | 55% |
| Recommended Training: | Cloudera Data Engineering (DENG-100) Advanced Spark Performance Tuning (DENG-200) Apache Iceberg Fundamentals (DENG-152) |
| Exam Registration: | Cloudera Certification Portal |
| Sample Questions: | Cloudera CDP-3002 Sample Questions |
| Exam Way: | Online Proctored (remote), no onsite option |
| Pre Condition: | No mandatory prerequisites; recommended experience: 1+ year designing/developing data pipelines with Cloudera tools, Spark, and Airflow |
| Official Syllabus URL: | https://www.cloudera.com/certification/cdp-data-engineer.html |
Cloudera CDP-3002 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Workflow Orchestration | 15% | - Apache Airflow
|
| Apache Spark Development & Processing | 48% | - Performance Optimization
|
| Data Storage & Modeling | 22% | - Apache Iceberg
|
| Integration & Optimization | 5% | - Troubleshooting
|
| Deployment & Operations | 10% | - Security & Governance
|
Cloudera CDP Data Engineer - Certification Sample Questions:
When writing a DataFrame to a CSV file, what potential issues should you consider and how can you address them?
- A. All of the above
- B. No specific issues need to be considered, as CSV is a simple format
- C. Ensure proper handling of special characters and delimiters to avoid data corruption
- D. Choose an appropriate compression format like Gzip to reduce file size
Correct Answer: A 🗳️
Explanation: Only visible for TopExamCollection members. You can sign-up / login (it's free).
You are developing a PySpark application that processes a large dataset. Your application involves a transformation that requires shuffling data across the Executors. Which of the following responsibilities of the Spark Driver is most directly involved in this process?
- A. Managing the lifecycle of Executor pods in Kubernetes.
- B. Monitoring the progress and status of tasks on the Executors.
- C. Managing the shuffling and aggregation of data across Executors.
- D. Interpreting the user application and creating an execution plan.
Correct Answer: C 🗳️
Explanation: Only visible for TopExamCollection members. You can sign-up / login (it's free).
When tuning Spark applications, why is it important to adjust the spark.executor.cores configuration?
- A. To limit the maximum size of Spark's internal data structures
- B. To determine the number of partitions created during shuffle operations
- C. To specify the number of tasks that can be run in parallel on a single executor
- D. To directly control the amount of memory available to each executor
Correct Answer: C 🗳️
Explanation: Only visible for TopExamCollection members. You can sign-up / login (it's free).
What happens when a task in Airflow is marked as "skipped"?
- A. The skipped task's downstream tasks are automatically executed.
- B. The skipped task's downstream tasks are also skipped, unless their conditions for execution are met independently.
- C. Airflow retries the skipped task until it succeeds.
- D. The entire DAG is marked as failed, and no further tasks are executed.
Correct Answer: B 🗳️
Explanation: Only visible for TopExamCollection members. You can sign-up / login (it's free).
Your Airflow DAG includes tasks that can potentially fail due to various reasons. How can you handle such failures and ensure the overall workflow continues as intended?
- A. Configure the DAG to automatically retry failed tasks a specific number of times.
- B. Implement custom logic within each task to handle potential errors and retry failed tasks manually.
- C. All of the above
- D. Utilize Airflow XCom to share information about failed tasks with downstream tasks for alternative processing.
Correct Answer: A,C 🗳️
Explanation: Only visible for TopExamCollection members. You can sign-up / login (it's free).
By Gail
