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Talend Talend-Core-Developer real answers - Talend Core Certified Developer Exam

Talend-Core-Developer
  • Exam Code: Talend-Core-Developer
  • Exam Name: Talend Core Certified Developer Exam
  • Updated: Jul 25, 2026
  • Q & A: 57 Questions and Answers
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Talend Talend-Core-Developer Exam Syllabus Topics:

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

                                                  Talend Core Certified Developer Sample Questions:

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


                                                  2. Which HTTP methods are supported by tRESTRequest?

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


                                                  3. You are building a Job to run outsode Talend Studio that must run on both Linux and Windows.
                                                  Which action should you take when building the Job?

                                                  A) Build one package for each platform.
                                                  B) Specify All for the Shell launcher option in the Build Job windows.
                                                  C) Configure the Job properties building the Job.
                                                  D) Select Build Job because Jobs are runnable on all platforms


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


                                                  5. What is the default port for the REST Endpoint when using tRESTRequest in Talend Studio?

                                                  A) 8040
                                                  B) 5040
                                                  C) 5070
                                                  D) 8090


                                                  Solutions:

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

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