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

Talend-Core-Developer real exams

Exam Code: Talend-Core-Developer

Exam Name: Talend Core Certified Developer Exam

Updated: Oct 20, 2026

Q & A: 57 Questions and Answers

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Talend Talend-Core-Developer Exam Syllabus Topics:

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

                                                  Talend Core Certified Developer Sample Questions:

                                                  Question #1

                                                  Which actions can you perform in the configuration panel in Pipeline Designer? Choose 2 answers.

                                                  • A. Display and update dataset connections.
                                                  • B. Preview changes made by processors.
                                                  • C. Select the settings for a pipeline export.
                                                  • D. Modify processor values.
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: A,D  🗳️

                                                  Explanation: Only visible for Prep4pass members. You can sign-up / login (it's free).

                                                  Question #2

                                                  Which methods can you use to specify the schema in a tFileInputDelimited component? Choose 3 answers.

                                                  • A. Drag a generic schema metadata item onto the Designer.
                                                  • B. Add the schema to the component using the Schema Editor.
                                                  • C. Add the component, then drag and drop a generic schema metadata item onto the component.
                                                  • D. Add the component, open the Component view, select the Built-in schema type, then click the Edit schema button.
                                                  • E. Drag a File delimited metadata item from the Repository onto the design workspace.
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: C,D,E  🗳️

                                                  Explanation: Only visible for Prep4pass members. You can sign-up / login (it's free).

                                                  Question #3

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

                                                  • A. Double-click the output row in the Designer and enter a new name.
                                                  • B. Assign the name when connecting a new output component.
                                                  • C. Click the name of the table in the Map Editor window and edit it.
                                                  • D. Assign the name when defining a new output table in the Map Editor window.
                                                  • E. Select the output row, then open the Component view and click the View tab.
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: B,C,D  🗳️

                                                  Explanation: Only visible for Prep4pass members. You can sign-up / login (it's free).

                                                  Question #4

                                                  Which capabilities does Traces Debug provide?
                                                  Choose 2 answers

                                                  • A. Advancing one column at a time
                                                  • B. Breaking when an input column fulfills a condition
                                                  • C. Advancing one row at a time
                                                  • D. Breaking on a selected line of code
                                                  • E. Filtering which data is propagated by a flow
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: B,C  🗳️

                                                  Explanation: Only visible for Prep4pass members. You can sign-up / login (it's free).

                                                  Question #5

                                                  What is the generic Input component used for in a Joblet design?

                                                  • A. Triggering a subJob
                                                  • B. Carrying data into a subJob
                                                  • C. Triggering a Joblet
                                                  • D. Carrying data into a Joblet
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: D  🗳️

                                                  Explanation: Only visible for Prep4pass members. You can sign-up / login (it's free).

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