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: Aug 04, 2026

Q & A: 57 Questions and Answers

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Talend Talend-Core-Developer Exam Syllabus Topics:

SectionObjectives
Performance and Best Practices- Design Best Practices
  • 1. Scalability considerations
    • 2. Reusable job design patterns
      - Optimization Techniques
      • 1. Efficient component usage
        • 2. Memory and execution optimization
          Data Transformation- tMap and Mapping Logic
          • 1. Lookup tables and joins
            • 2. Row-level transformations using tMap
              - Data Cleansing
              • 1. Filtering and validation techniques
                • 2. Handling null and malformed data
                  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
                          Error Handling and Debugging- Exception Handling
                          • 1. Try/catch mechanisms in Jobs
                            • 2. Reject flows and error outputs
                              - Job Debugging
                              • 1. Troubleshooting job failures
                                • 2. Logging and monitoring execution
                                  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
                                          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

                                                  Talend Core Certified Developer Sample Questions:

                                                  1. You need to create a centralized metadata connection to a database server for an application. Which steps should you take before building a Job that reads from that database? Choose 3 answers.

                                                  A) Retrieve the schemas from the database connection.
                                                  B) Create Db Connections metadata to describe the database connection.
                                                  C) Add a tMap component to handle and convert Db Types.
                                                  D) Drag the Db Connections metadata onto the Designer to read from the database component.
                                                  E) Add a tCreateTable component to create a table in the database.


                                                  2. 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 selected component.
                                                  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 next component in the Job.


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

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


                                                  4. Which HTTP methods are supported by tRESTRequest?

                                                  A) GET, POST, PUT, PATCH, and DELETE
                                                  B) POST, PATCH, and UPDATE
                                                  C) SELECT, INSERT, UPDATE, and DELETE
                                                  D) GET, POST, UPDATE, and DELETE


                                                  5. You need to set up a server in your Talend environment that enables several members of your team to collaborate on a project.
                                                  Which application must you enable before working on a remote project?

                                                  A) Talent Administration Center instance must be running with the team members and project configured.
                                                  B) Git or SVN server instance must be running.
                                                  C) Git or SVN client must be installed on each developed workstation.
                                                  D) Talend admission Center service must be running on each development workstation.


                                                  Solutions:

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

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