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Talend Talend-Core-Developer Exam Syllabus Topics:

SectionObjectives
Topic 1: 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 2: Data Integration Fundamentals- Talend Architecture Overview
          • 1. Talend Studio components overview
            • 2. Repository and project structure
              - ETL/ELT Concepts
              • 1. Batch vs real-time processing concepts
                • 2. Data integration principles and workflows
                  Topic 3: 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
                          Topic 4: Performance and Best Practices- Optimization Techniques
                          • 1. Efficient component usage
                            • 2. Memory and execution optimization
                              - Design Best Practices
                              • 1. Scalability considerations
                                • 2. Reusable job design patterns
                                  Topic 5: Data Transformation- Data Cleansing
                                  • 1. Filtering and validation techniques
                                    • 2. Handling null and malformed data
                                      - tMap and Mapping Logic
                                      • 1. Row-level transformations using tMap
                                        • 2. Lookup tables and joins
                                          Topic 6: Error Handling and Debugging- Exception Handling
                                          • 1. Reject flows and error outputs
                                            • 2. Try/catch mechanisms in Jobs
                                              - Job Debugging
                                              • 1. Troubleshooting job failures
                                                • 2. Logging and monitoring execution

                                                  Talend Core Certified Developer Sample Questions:

                                                  1. You need to share a connection between multiple database components in a Studio Job. Which component should you use?

                                                  A) tDBRun
                                                  B) tDBOutput
                                                  C) tDBConnection
                                                  D) tDBCommit


                                                  2. Which methods can you use to specify the schema in a tFileInputDelimited component? Choose 3 answers.

                                                  A) Add the component, then drag and drop a generic schema metadata item onto the component.
                                                  B) Drag a generic schema metadata item onto the Designer.
                                                  C) Add the schema to the component using the Schema Editor.
                                                  D) Drag a File delimited metadata item from the Repository onto the design workspace.
                                                  E) Add the component, open the Component view, select the Built-in schema type, then click the Edit schema button.


                                                  3. User A shared a connection with User B. User B used the shared connection and created Dataset_1. User A stops sharing the connection with User B. Which statement is true about access to Dataset_1?

                                                  A) User B has no access to Dataset_1.
                                                  B) User B has full access to Dataset_1.
                                                  C) User A has full access to Dataset_1.
                                                  D) User B has limited access to Dataset_1.


                                                  4. 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 Repository and replace the credentials in each component.
                                                  B) Set the Database field to Metadata.
                                                  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.


                                                  5. Which statements are true about the execution logs of a task running on a Remote Engine? Choose 2 answers.

                                                  A) Logs are stored in the file system of the server where the Remote Engine is running.
                                                  B) Logs can be downloaded from Talend Management Console.
                                                  C) Logs are stored in an H2 database hosted on the server where the Remote Engine is running.
                                                  D) Logs are stored in Parquet format on the server where the Remote Engine is running.


                                                  Solutions:

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

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