CERTIFICATION TALEND-CORE-DEVELOPER SAMPLE QUESTIONS, TALEND-CORE-DEVELOPER RELIABLE TEST SIMULATOR

Certification Talend-Core-Developer Sample Questions, Talend-Core-Developer Reliable Test Simulator

Certification Talend-Core-Developer Sample Questions, Talend-Core-Developer Reliable Test Simulator

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Tags: Certification Talend-Core-Developer Sample Questions, Talend-Core-Developer Reliable Test Simulator, Reliable Talend-Core-Developer Dumps Ppt, Talend-Core-Developer Certification Dumps, Talend-Core-Developer Certificate Exam

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Talend Core Certified Developer Exam Sample Questions (Q48-Q53):

NEW QUESTION # 48
In some instances, after applying changes to a component schema, you are asked if you would like to propagate the changes. What is the significance of thisprompt?

  • A. Confirm that you want to apply the schema changes to the selected component.
  • B. Confirm that you want to apply the schema changes to the previous component in the Job.
  • C. Confirm that you want to apply the schema changes to both the previous and next components in the Job.
  • D. Confirm that you want to apply the schema changes to the next component in the Job.

Answer: D

Explanation:
When you modify the schema of a component in Talend Studio, the application prompts you to propagate these changes. This propagation ensures that any alterations to the data structure are consistently applied throughout the Job, maintaining data integrity and coherence.
Understanding Schema Propagation:
* Purpose:Schema propagation is essential to synchronize the data structure across connected components. When a schema changes (e.g., adding or removing a column), downstream components that rely on this schema need to be updated to reflect these changes.
* Prompt Significance:The prompt serves as a confirmation to apply the schema changes to the subsequent components in the Job. By agreeing to propagate, Talend Studio automatically updates the schemas of all downstream components connected to the modified component.
Example Scenario:
Consider a Job where a tFileInputDelimited component reads data and passes it to a tMap component, which then outputs to a tFileOutputDelimited component. If you add a new column to the schema of tFileInputDelimited:
* Modification:
* You add a new column, 'emailAddress', to the tFileInputDelimited schema.
* Propagation Prompt:
* Upon making this change, Talend Studio prompts you to propagate the schema changes.
* Effect of Propagation:
* By confirming, the 'emailAddress' column is added to the schemas of all downstream components (e.g., tMap and tFileOutputDelimited). This ensures that these components recognize and can process the new column appropriately.
By understanding and utilizing schema propagation, you ensure that all components within your Talend Jobs remain synchronized, reducing errors and enhancing data processing efficiency.


NEW QUESTION # 49
How can you create REST API metadata in Talend Studio? Choose 2 answers.

  • A. Import it from a JSON file.
  • B. Import it from Talend API Designer.
  • C. Create it manually in Talend Studio.
  • D. Import it from Talend API Tester.

Answer: B,C

Explanation:
Comprehensive and Detailed Explanation:
In Talend Studio, REST API metadata can be created using the following methods:
* Create it manually in Talend Studio (Option A):
* Users can define REST API metadata within Talend Studio by manually specifying API structure, endpoints, HTTP methods, and parameters.
* This method provides full control over the API metadata but requires manual configuration.
* Import it from Talend API Designer (Option B):
* If an API has been designed usingTalend API Designer, it can beimported into Talend Studio.
* This enables reusing the API design directly without manual recreation.
Why not other options?
* Option C (Import from JSON file): Talend Studio does not support direct import of REST API metadata from generic JSON files.
* Option D (Import from Talend API Tester): Talend API Tester is used for testing APIs but does not provide an option to import API definitions into Talend Studio.


NEW QUESTION # 50
Which component can be used to read a CSV file in an ESB Route?

  • A. tFileInputDelimited
  • B. cFileInputDelimited
  • C. cMap
  • D. cFile
  • E. tMap

Answer: B

Explanation:
Comprehensive and Detailed Explanation:
In Talend's Enterprise Service Bus (ESB) routes, the appropriate component to read a CSV file is cFileInputDelimited. This component is specifically designed for Camel routes to handle delimited files like CSVs.


NEW QUESTION # 51
Where do you access the option to create a Joblet from an existing Job?

  • A. Selecting the desired components and right-clicking.
  • B. Selecting the File menu.
  • C. Adding a Joblet component to the Designer.
  • D. Right-clicking the I oh in the Repository

Answer: A

Explanation:
To create a Joblet from an existing Job, you can follow these steps:
* Open the Job that you want to create a Joblet from.
* Select the components that you want to include in the Joblet.
* Right-click on the selected components and select Create Joblet from the context menu.
* In the Create Joblet dialog box, enter a name and description for the Joblet.
* Click Finish to create the Joblet.


NEW QUESTION # 52
Which concepts are a part of Pipeline Designer? Choose 3 answers.

  • A. Dataset
  • B. Processor
  • C. Context variables
  • D. Preparations
  • E. Connection

Answer: A,B,E

Explanation:
Comprehensive and Detailed Explanation:
Talend's Pipeline Designer is a tool that enables users to design and execute data integration workflows. Key components of Pipeline Designer include:
* Connection (Option C):
* Defines the link between Pipeline Designer and various data sources or destinations, specifying how to access and interact with external systems.
* Dataset (Option D):
* Represents the structured data that flows through the pipeline, serving as the input or output of various processing steps.
* Processor (Option E):
* Performs specific operations on the data within the pipeline, such as transformations, aggregations, or filtering, to achieve the desired data processing outcomes.
Why not other options?
* Option A:While context variables are used in Talend Studio for parameterizing jobs, they are not a primary concept in Pipeline Designer.
* Option B:"Preparations" refer to data transformation sequences in Talend Data Preparation, not directly in Pipeline Designer.


NEW QUESTION # 53
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