Talend Talend-Core-Developer : Talend Core Certified Developer Exam

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Exam Code: Talend-Core-Developer

Exam Name: Talend Core Certified Developer Exam

Updated: Aug 07, 2026

Q & A: 57 Questions and Answers

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Talend Talend-Core-Developer Exam Syllabus Topics:
SectionObjectives
Topic 1: Data Integration Fundamentals- ETL/ELT Concepts
  • 1. Data integration principles and workflows
    • 2. Batch vs real-time processing concepts
      - Talend Architecture Overview
      • 1. Talend Studio components overview
        • 2. Repository and project structure
          Topic 2: Error Handling and Debugging- Job Debugging
          • 1. Troubleshooting job failures
            • 2. Logging and monitoring execution
              - Exception Handling
              • 1. Try/catch mechanisms in Jobs
                • 2. Reject flows and error outputs
                  Topic 3: Data Transformation- Data Cleansing
                  • 1. Filtering and validation techniques
                    • 2. Handling null and malformed data
                      - tMap and Mapping Logic
                      • 1. Row-level transformations using tMap
                        • 2. Lookup tables and joins
                          Topic 4: Talend Studio Development- Job Design
                          • 1. Using components and connectors
                            • 2. Creating and managing Jobs
                              - Context and Parameters
                              • 1. Job parameterization
                                • 2. Context variables usage
                                  Topic 5: Deployment and Execution- Execution Environments
                                  • 1. Talend Runtime usage
                                    • 2. Scheduling and orchestration basics
                                      - Job Deployment
                                      • 1. Publishing jobs to runtime environments
                                        • 2. Version control and packaging
                                          Topic 6: Performance and Best Practices- Optimization Techniques
                                          • 1. Memory and execution optimization
                                            • 2. Efficient component usage
                                              - Design Best Practices
                                              • 1. Reusable job design patterns
                                                • 2. Scalability considerations
                                                  Talend Core Certified Developer Sample Questions:

                                                  1. After enabling the Observability Metric Collector metric generation located in the \etc\org.talend.ipaas.rt.
                                                  observability.cfg, which additional configurations should you apply? Choose 2 answers.

                                                  A) Configure the time zone
                                                  B) Lifetime
                                                  C) Frequency
                                                  D) Schedule the metrics generation using CRON based trigger


                                                  2. Which Action on table operations are supported by a tMysqlOutput component? Choose 3 answers.

                                                  A) Create table if does not exist
                                                  B) Drop table if exists and create
                                                  C) Drop table
                                                  D) Create table
                                                  E) Replace


                                                  3. You can initialize your component endpoint, API mappings, and documentation from your API definition.
                                                  Which API definitions are supported by tRESTRequest?

                                                  A) CSV definition file
                                                  B) XML definition file
                                                  C) OAS/Swagger 2.0 file
                                                  D) WSDL file


                                                  4. In some instances, after applying changes to a component schema, you are asked if you would like to propagate the changes. What is the significance of thisprompt?

                                                  A) Confirm that you want to apply the schema changes to both the previous and next components in the Job.
                                                  B) Confirm that you want to apply the schema changes to the next component in the Job.
                                                  C) Confirm that you want to apply the schema changes to the previous component in the Job.
                                                  D) Confirm that you want to apply the schema changes to the selected component.


                                                  5. Which characteristics distinguish Traces Debug from Java Debug?
                                                  Choose 2 answers

                                                  A) Supports breakpoints based on input data condition
                                                  B) Allow row-by-row inspection of data flows
                                                  C) Requires a separate perspective
                                                  D) Require Java development experiences


                                                  Solutions:

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

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