Talend Core Certified Developer : Talend-Core-Developer

Talend-Core-Developer real exams

Exam Code: Talend-Core-Developer

Exam Name: Talend Core Certified Developer Exam

Updated: Aug 14, 2026

Q & A: 57 Questions and Answers

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About Talend Talend-Core-Developer Exam

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Talend Talend-Core-Developer Exam Syllabus Topics:

SectionObjectives
Topic 1: Talend Studio Development- Job Design
  • 1. Creating and managing Jobs
    • 2. Using components and connectors
      - Context and Parameters
      • 1. Job parameterization
        • 2. Context variables usage
          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: Performance and Best Practices- Optimization Techniques
                  • 1. Efficient component usage
                    • 2. Memory and execution optimization
                      - Design Best Practices
                      • 1. Reusable job design patterns
                        • 2. Scalability considerations
                          Topic 4: Deployment and Execution- Job Deployment
                          • 1. Version control and packaging
                            • 2. Publishing jobs to runtime environments
                              - Execution Environments
                              • 1. Scheduling and orchestration basics
                                • 2. Talend Runtime usage
                                  Topic 5: Data Integration Fundamentals- ETL/ELT Concepts
                                  • 1. Data integration principles and workflows
                                    • 2. Batch vs real-time processing concepts
                                      - Talend Architecture Overview
                                      • 1. Repository and project structure
                                        • 2. Talend Studio components overview
                                          Topic 6: 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

                                                  Talend Core Certified Developer Sample Questions:

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

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


                                                  2. Which operations can you perform using a tMap component? Choose 3 answers.

                                                  A) Reject data using inner join rejections.
                                                  B) Perform full outer joins.
                                                  C) Map data using filters, constraints, and simple explicit joins.
                                                  D) Load single lookup tables only.
                                                  E) Transform data from single or multiple sources to single or multiple destinations.


                                                  3. You need to call a different Job within a Job you are developing.
                                                  Which mechanism allows you to pass the parameters to the lob you want to call?

                                                  A) CommandLine options
                                                  B) Java Function paramters
                                                  C) Context parameters
                                                  D) File


                                                  4. 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) Denoting major or minor releases.
                                                  C) Denoting a milestone in the lifecycle of a project
                                                  D) Capturing snapshot of a codebase that requires ongoing maintenance.


                                                  5. You want to improve the Trust Score of your dataset as a dataset owner. Which actions should you perform? Choose 2 answers.

                                                  A) Use the dataset in an ETL Job
                                                  B) Change the dataset score manually
                                                  C) Improve the quality of the dataset using Pipeline Designer
                                                  D) Add ratings to the dataset


                                                  Solutions:

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

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