Talend : Talend-Core-Developer Questions & Answers
Last Updated: Oct 08, 2026
No. of Questions: 57 Questions & Answers with Testing Engine
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Talend Talend-Core-Developer Exam Overview:
| Certification Vendor: | Talend (Qlik) |
|---|---|
| Exam Name: | Talend Core Certified Developer Exam |
| Exam Number: | Talend-Core-Developer |
| Related Certifications: | Talend Big Data Certification Talend Data Integration Certification |
| Available Languages: | English |
| Exam Format: | Multiple Choice, Scenario-based Questions |
| Recommended Training: | Talend Academy Training Courses |
| Exam Registration: | Talend Certification Portal |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored exam (remote) or authorized test center depending on region |
| Pre Condition: | Basic knowledge of data integration and ETL concepts is recommended; prior experience with Talend Studio is helpful but not always mandatory. |
| Official Syllabus URL: | https://www.talend.com/services/training/certification/ |
Talend Talend-Core-Developer Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Data Integration Fundamentals | - Talend Architecture Overview
|
| Talend Studio Development | - Context and Parameters
|
| Error Handling and Debugging | - Job Debugging
|
| Deployment and Execution | - Execution Environments
|
| Data Transformation | - Data Cleansing
|
| Performance and Best Practices | - Design Best Practices
|
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Registration is handled through Talend's official channels:
Delivery format for the exam itself: Online proctored exam (remote) or authorized test center depending on region. Pick whichever option fits your situation when scheduling.
Talend structures the Talend Core Certified Developer exam around 6 domains. The heaviest hitters are Performance and Best Practices, Talend Studio Development, Data Integration Fundamentals. Start your revision where the weight is, and scroll up to the outline section on this page for the complete topic list.
The Talend-Core-Developer exam is the official Talend assessment that awards the Talend Core Certified Developer certification — a credential at the Professional level. Passing it proves vendor-validated skills that employers actively look for. It belongs to a broader track that includes Talend Data Integration Certification, Talend Big Data Certification, making it a solid anchor for further certifications.
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Talend points Talend Core Certified Developer candidates toward these official training resources:
Coursework builds understanding; the 57 practice questions for the Talend-Core-Developer exam from ActualTorrent then prove whether that understanding survives a real testing clock.
Basic knowledge of data integration and ETL concepts is recommended; prior experience with Talend Studio is helpful but not always mandatory. Because Talend can revise these requirements, verify the current rules on the official exam page — https://www.talend.com/services/training/certification/ — before scheduling your Talend Core Certified Developer exam.
Talend Core Certified Developer Sample Questions:
Which methods can you use to name an output row in a tMap component? Choose 3 answers.
- A. Double-click the output row in the Designer and enter a new name.
- B. Click the name of the table in the Map Editor window and edit it.
- C. Assign the name when defining a new output table in the Map Editor window.
- D. Select the output row, then open the Component view and click the View tab.
- E. Assign the name when connecting a new output component.
Correct Answer: B,C,E 🗳️
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Which statements are true when comparing a Joblet to a tRunJob component?
Choose 3 answers
- A. The nested Job called by a tRunJob component cannot use the same context variable of the Job in which it is used.
- B. A Joblet uses the same context variables of the Job in which it is used, unlinke a tRunJob component.
- C. The performance of a Joblet if better than running an equivalent Job using a tRunJob component.
- D. The performance of tRunJob component is better than running an equivalent Job using a Joblet.
- E. Building a Joblet typically requires the use of generic input, and trigger component.
Correct Answer: A,B,E 🗳️
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In Talend Studio, you have access to a references project named project_ref. You need to reuse a Job named testJob from the project_ref in your main Job.
- A. Navigate to @ Referenced project, @ project_ref, Job Designs, Standard, then select testJob.
- B. Navigate to Metadata, @ project ref, Job Designs, Standard, then select testJob.
- C. Right-click Job Designs and click import items.
- D. Right-click Job Designs, click Crete Standard Job, and enter testJob as the Job name.
Correct Answer: A 🗳️
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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. Configure the time zone
- B. Schedule the metrics generation using CRON based trigger
- C. Lifetime
- D. Frequency
Correct Answer: C,D 🗳️
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Which actions can you perform in the configuration panel in Pipeline Designer? Choose 2 answers.
- A. Modify processor values.
- B. Display and update dataset connections.
- C. Select the settings for a pipeline export.
- D. Preview changes made by processors.
Correct Answer: A,B 🗳️
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