• Exam Code: CDP-3002
  • Exam Name: CDP Data Engineer - Certification Exam
  • Certification Provider: Cloudera
  • Corresponding Certification:Cloudera Certification
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Cloudera CDP-3002 Exam Syllabus Topics:

SectionWeightObjectives
Apache Spark Development & Processing48%- Spark Streaming & Structured Streaming
  • 1. Checkpointing & fault tolerance
    • 2. Micro-batch & stream processing
      - Performance Optimization
      • 1. Job tuning, partitioning & bucketing
        • 2. Caching & persistence strategies
          - Spark SQL & DataFrames
          • 1. DataFrame/Dataset API usage
            • 2. Query optimization & execution plans
              - Spark Architecture & Execution Model
              • 1. Spark application lifecycle
                • 2. Distributed data processing concepts
                  Integration & Optimization5%- Hive & Spark Integration
                  • 1. Cross-engine query execution
                    - Troubleshooting
                    • 1. Resource management
                      • 2. Bottleneck identification
                        Data Storage & Modeling22%- Data Formats & Storage
                        • 1. Columnar formats (Parquet, ORC)
                          • 2. Schema design & evolution
                            - Apache Iceberg
                            • 1. Partitioning & layout optimization
                              • 2. Table management & ACID compliance
                                - Distributed Persistence
                                • 1. HDFS & cloud storage integration
                                  • 2. Data locality & access patterns
                                    Deployment & Operations10%- CDP Data Engineering Service
                                    • 1. API & CLI usage
                                      • 2. Environment configuration
                                        - Security & Governance
                                        • 1. Data lineage & compliance
                                          • 2. Access control & authentication
                                            Workflow Orchestration15%- Pipeline Development
                                            • 1. Workflow monitoring & alerting
                                              • 2. End-to-end data pipeline design
                                                - Apache Airflow
                                                • 1. Incremental data extraction
                                                  • 2. DAG design & scheduling
                                                    • 3. Task dependencies & error handling

                                                      Cloudera CDP Data Engineer - Certification Sample Questions:

                                                      You're integrating data quality checks into a complex ETL pipeline with numerous tasks and dependencies. How can you ensure the checks are executed in the correct order and don't interfere with other pipeline tasks?

                                                      • A. Schedule the data quality checks as a separate DAG and trigger it after the ETL pipeline completes.
                                                      • B. Utilize Airflow upstream/downstream dependencies to define the execution order between check tasks and other pipeline tasks.
                                                      • C. Implement a custom script to manage the execution of the data quality checks independently.
                                                      • D. Run all tasks (ETL and checks) concurrently, assuming they are independent.
                                                      Reveal Solution  Discussion  0

                                                      Correct Answer: B  🗳️

                                                      Explanation: Only visible for ITPassLeader members. You can sign-up / login (it's free).

                                                      Which component of the Cloudera Data Engineering service is responsible for managing and scheduling data pipelines?

                                                      • A. CDH Management Console
                                                      • B. Cloudera Scheduler
                                                      • C. Cloudera Manager
                                                      • D. Cloudera Navigator
                                                      Reveal Solution  Discussion  0

                                                      Correct Answer: B  🗳️

                                                      Explanation: Only visible for ITPassLeader members. You can sign-up / login (it's free).

                                                      When creating a partitioned table in Hive, what does the clause PARTITIONED BY specify?

                                                      • A. The default file format for data storage
                                                      • B. The replication factor for the HDFS data blocks
                                                      • C. The column(s) used to divide the table into partitions
                                                      • D. The compression algorithm used for data storage
                                                      Reveal Solution  Discussion  0

                                                      Correct Answer: C  🗳️

                                                      Explanation: Only visible for ITPassLeader members. You can sign-up / login (it's free).

                                                      In a CI/CD pipeline, what is a key consideration when integrating Cloudera Data Engineering (CDE. service API calls for deploying Spark jobs, specifically regarding security?

                                                      • A. Disabling TLS for API endpoints to simplify integration
                                                      • B. Hardcoding API keys in the pipeline scripts
                                                      • C. Incorporating API token rotation and secure secret management practices
                                                      • D. Using generic Spark Docker images for all jobs to avoid API customization
                                                      Reveal Solution  Discussion  0

                                                      Correct Answer: C  🗳️

                                                      Explanation: Only visible for ITPassLeader members. You can sign-up / login (it's free).

                                                      What does the appearance of "Filter Early" in an Explain Plan suggest about the execution strategy of a SQL query in Cloudera's SQL engines?

                                                      • A. It suggests that the query optimizer has chosen to apply filtering operations as early as possible to reduce data volume
                                                      • B. It indicates that filtering operations are postponed until the end of the query execution
                                                      • C. It signals that the query will bypass filtering operations to improve performance
                                                      • D. It means that all filtering operations are applied after join operations
                                                      Reveal Solution  Discussion  0

                                                      Correct Answer: A  🗳️

                                                      Explanation: Only visible for ITPassLeader members. You can sign-up / login (it's free).

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