Talend Core Certified Developer : Talend-Core-Developer

  • Exam Code: Talend-Core-Developer
  • Exam Name: Talend Core Certified Developer Exam
  • Updated: Aug 06, 2026
  • Q & A: 57 Questions and Answers

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Talend Talend-Core-Developer Exam Syllabus Topics:

SectionObjectives
Topic 1: 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 2: 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 3: Deployment and Execution- Execution Environments
                  • 1. Talend Runtime usage
                    • 2. Scheduling and orchestration basics
                      - Job Deployment
                      • 1. Version control and packaging
                        • 2. Publishing jobs to runtime environments
                          Topic 4: Error Handling and Debugging- Job Debugging
                          • 1. Logging and monitoring execution
                            • 2. Troubleshooting job failures
                              - Exception Handling
                              • 1. Try/catch mechanisms in Jobs
                                • 2. Reject flows and error outputs
                                  Topic 5: Performance and Best Practices- Optimization Techniques
                                  • 1. Memory and execution optimization
                                    • 2. Efficient component usage
                                      - Design Best Practices
                                      • 1. Scalability considerations
                                        • 2. Reusable job design patterns
                                          Topic 6: 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

                                                  Talend Core Certified Developer Sample Questions:

                                                  1. 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) WSDL file
                                                  D) OAS/Swagger 2.0 file


                                                  2. You are collaborating on a project with other developers using talend best practices.
                                                  When should you use a tag?

                                                  A) Fixing hugs or enhancements.
                                                  B) Capturing snapshot of a codebase that requires ongoing maintenance.
                                                  C) Denoting major or minor releases.
                                                  D) Denoting a milestone in the lifecycle of a project


                                                  3. Which statements are true about the execution logs of a task running on a Remote Engine? Choose 2 answers.

                                                  A) Logs are stored in Parquet format on the server where the Remote Engine is running.
                                                  B) Logs are stored in an H2 database hosted on the server where the Remote Engine is running.
                                                  C) Logs are stored in the file system of the server where the Remote Engine is running.
                                                  D) Logs can be downloaded from Talend Management Console.


                                                  4. Where do you access the option to create a Joblet from an existing Job?

                                                  A) Adding a Joblet component to the Designer.
                                                  B) Selecting the desired components and right-clicking.
                                                  C) Right-clicking the I oh in the Repository
                                                  D) Selecting the File menu.


                                                  5. Which methods can you use to name an output row in a tMap component? Choose 3 answers.

                                                  A) Click the name of the table in the Map Editor window and edit it.
                                                  B) Select the output row, then open the Component view and click the View tab.
                                                  C) Double-click the output row in the Designer and enter a new name.
                                                  D) Assign the name when connecting a new output component.
                                                  E) Assign the name when defining a new output table in the Map Editor window.


                                                  Solutions:

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

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