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

                                                  Talend Core Certified Developer Sample Questions:

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

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


                                                  2. After enabling the Observability Metric Collector metric generation located in the \etc\org.talend.ipaas.rt.
                                                  observability.cfg, which additional configurations should you apply? Choose 2 answers.

                                                  A) Lifetime
                                                  B) Schedule the metrics generation using CRON based trigger
                                                  C) Frequency
                                                  D) Configure the time zone


                                                  3. You built multiple Jobs in Studio, each uses its own tDBInput component to connect to a common database server, but they all use different credentials. How should you configure the tDBInput components?

                                                  A) Set the Database field to Metadata.
                                                  B) Set the Property type to Repository and replace the credentials in each component.
                                                  C) Set the Property type to Built-in and set all the relevant properties manually.
                                                  D) Set the Property type to Repository and use a common DB connection metadata.


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

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


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

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


                                                  Solutions:

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

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