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

                                                      Cloudera CDP Data Engineer - Certification Sample Questions:

                                                      1. In a PySpark application running on Kubernetes, you want to enable dynamic allocation of Executors. Which configuration setting is essential to turn on this feature?

                                                      A) 'spark.dynamicAllocation.enabled'
                                                      B) 'spark.executor.instances'
                                                      C) 'spark.kubernetes.dynamicAllocation.enabled'
                                                      D) 'spark.kubernetes.executor.dynamicAllocation'


                                                      2. In the context of Hive, what mechanism ensures that data is evenly distributed across buckets?

                                                      A) A hash function applied to the bucketing column
                                                      B) Natural key distribution
                                                      C) External data balancing tools
                                                      D) Manual data insertion scripts


                                                      3. What are the potential challenges associated with schema inference in data processing pipelines?

                                                      A) Inaccuracies in inferred schemas leading to data processing errors
                                                      B) Performance overhead due to schema discovery
                                                      C) Handling complex nested structures and arrays
                                                      D) The need for manual schema updates
                                                      E) Increased storage costs for schema metadata


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


                                                      5. In Apache Spark, which storage level is recommended for caching data that is accessed frequently but is too large to fit in memory?

                                                      A) MEMORY AND DISK
                                                      B) MEMORY ONLY
                                                      C) OFF HEAP
                                                      D) DISK ONLY


                                                      Solutions:

                                                      Question # 1
                                                      Answer: A
                                                      Question # 2
                                                      Answer: A
                                                      Question # 3
                                                      Answer: A,B,C
                                                      Question # 4
                                                      Answer: D
                                                      Question # 5
                                                      Answer: A

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