Talend : Talend-Core-Developer Questions & Answers

Last Updated: Aug 09, 2026

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Talend Talend-Core-Developer Exam Syllabus Topics:

SectionObjectives
Topic 1: Talend Studio Development- Context and Parameters
  • 1. Context variables usage
    • 2. Job parameterization
      - Job Design
      • 1. Creating and managing Jobs
        • 2. Using components and connectors
          Topic 2: Performance and Best Practices- Design Best Practices
          • 1. Reusable job design patterns
            • 2. Scalability considerations
              - Optimization Techniques
              • 1. Memory and execution optimization
                • 2. Efficient component usage
                  Topic 3: Data Integration Fundamentals- Talend Architecture Overview
                  • 1. Repository and project structure
                    • 2. Talend Studio components overview
                      - ETL/ELT Concepts
                      • 1. Batch vs real-time processing concepts
                        • 2. Data integration principles and workflows
                          Topic 4: 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 5: Data Transformation- Data Cleansing
                                  • 1. Handling null and malformed data
                                    • 2. Filtering and validation techniques
                                      - tMap and Mapping Logic
                                      • 1. Lookup tables and joins
                                        • 2. Row-level transformations using tMap
                                          Topic 6: 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

                                                  Talend Core Certified Developer Sample Questions:

                                                  1. Which type of task can be added to a plan in Talend Management Console?

                                                  A) Jobs
                                                  B) Big Data tasks
                                                  C) Data services
                                                  D) Routes


                                                  2. What are the key capabilities of Talend Cloud Data Preparation that improve data quality and accessibility? Choose 3 answers.

                                                  A) Cleanse data
                                                  B) Discover
                                                  C) Format data
                                                  D) Transform
                                                  E) Standardize data


                                                  3. You designing a Job that can run in two contexts, Test and Production. You want to run it as a standalone job outside Talend Studio.
                                                  How do you accomplish this?

                                                  A) Build the Job with the Context scripts option selected in the Build Job windows. Before running the Job, edit the script according to the context in which want to run the job.
                                                  B) Build the Job with the desired context selected in the Build Job windows. Build a separate copy if you need to run the Job in a different context.
                                                  C) Build the Job with the Context scripts option selected in the Build Job windows. You will be prompted for the context.
                                                  D) Set the desired context as the default, then build the Job. Rebuild the Job if you need to run it in a different context.


                                                  4. Which component can be used to read a CSV file in an ESB Route?

                                                  A) tMap
                                                  B) cMap
                                                  C) tFileInputDelimited
                                                  D) cFileInputDelimited
                                                  E) cFile


                                                  5. Which action should you perform to calculate the overall Trust Score for multiple customer datasets?

                                                  A) Use the search bar to filter the customer datasets, and the score will automatically update.
                                                  B) Use the search bar to filter the customer datasets and manually calculate the score.
                                                  C) Mark the datasets in the dataset list, and the score updates in the detailed view.
                                                  D) Review the rating of selected datasets in the group tab.


                                                  Solutions:

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

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