Talend Core Certified Developer : Talend-Core-Developer

Talend-Core-Developer Exam Simulator
  • Exam Code: Talend-Core-Developer
  • Exam Name: Talend Core Certified Developer Exam
  • Updated: Aug 17, 2026
  • Q & A: 57 Questions and Answers

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Talend Talend-Core-Developer exam simulator

Talend Talend-Core-Developer Exam Syllabus Topics:

SectionObjectives
Topic 1: 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
          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: 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 4: 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 5: Data Transformation- tMap and Mapping Logic
                                  • 1. Row-level transformations using tMap
                                    • 2. Lookup tables and joins
                                      - Data Cleansing
                                      • 1. Handling null and malformed data
                                        • 2. Filtering and validation techniques
                                          Topic 6: 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 have two branches: Branch1 contains Job1, and Branch 2 contains Job 2. You want to copy Job1 to Branch 2 and preserve the change history when connecting Studio to Talend Administrator Center.
                                                  Which method should you use to preserve the change history?

                                                  A) Switch to Branch 1, copy lob 1, switch to Branch 2, and paste Job 1 over Job 2.
                                                  B) Switch to branch 1, copy the Branch 1 Job, switch to Branch 2, and paste the Job into Branch 2.
                                                  C) Switch to Branch 1, right-click Job 1, select Copy to branch, and select Branch 2.
                                                  D) Switch to Branch 1, copy the Branch 1 job, switch to Branch 2, and paste the job into Branch 2.


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


                                                  3. How do you create an empty Joblet?

                                                  A) Right-click Joblet Designs the Repository and select Create Joblet.
                                                  B) Create an empty Job, then export it as a Joblet by right-clicking it in the Repository.
                                                  C) Create an empty Jon and use the file menu to save it as Joblet.
                                                  D) Right-clicking a space in the Designer and select refactor to Joblect.


                                                  4. You need a list of all customers whose first name contains "Tom" and who are older than 18. Which processor should be used?

                                                  A) Data sampling
                                                  B) Join
                                                  C) Aggregate
                                                  D) Filter


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

                                                  A) Carrying data into a subJob
                                                  B) Triggering a subJob
                                                  C) Triggering a Joblet
                                                  D) Carrying data into a Joblet


                                                  Solutions:

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

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