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Latest Talend-Core-Developer Exam Papers - Talend-Core-Developer Reliable Test Question

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Talend Core Certified Developer Exam Sample Questions (Q35-Q40):

NEW QUESTION # 35
Which options can you use to add a Joblet to your talend Job?
Choose 3 answers

A. Right-click the Joblet from Palette and select the Add option.
B. Drag the Joblet from Palette to the design workspace.
C. Drag the Jobket from the Repository tree view to designer canvas.
D. Type the Joblet name on the Studio canvas, then select if from the Palette drop-down menu.
E. Use a tRunJob component and select the Joblet from the drop-down menu.

Answer: B,C,D

Explanation:
To add a Joblet to your Talend Job, you can use one of these options:
* Type the Joblet name on the Studio canvas, then select it from the Palette drop-down menu. This will create a Joblet container on your canvas that contains all the components and links of your Joblet.
* Drag the Joblet from Repository tree view to designer canvas. This will also create a Joblet container on your canvas that contains all components and links of your Joblet.
* Drag Joblet from Palette to design workspace. This will open a dialog box where you can select an existing Joblet from Repository or create a new one.
You cannot use a tRunJob component and select Joblet from drop-down menu, nor right-click Joblet from Palette and select Add option. These methods are not available in Talend Studio and may cause errors or unexpected results. References: Talend Open Studio: Open-source ETL and Free Data Integration | Talend,
[Joblets - 7.3]

NEW QUESTION # 36
How can you create REST API metadata in Talend Studio? Choose 2 answers.

A. Import it from a JSON file.
B. Create it manually in Talend Studio.
C. Import it from Talend API Designer.
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 # 37
Which action should you perform to calculate the overall Trust Score for multiple customer datasets?

A. Review the rating of selected datasets in the group tab.
B. Mark the datasets in the dataset list, and the score updates in the detailed view.
C. Use the search bar to filter the customer datasets and manually calculate the score.
D. Use the search bar to filter the customer datasets, and the score will automatically update.

Answer: D

Explanation:
Comprehensive and Detailed Explanation:
To calculate the overall Trust Score for multiple customer datasets:
* Use the search bar to filter the customer datasets, and the score will automatically update (Option B):
* Filtering datasets using the search functionality aggregates the Trust Scores of the selected datasets, providing an overall score for the group.
Why not other options?
* Option A: Reviewing individual ratings does not provide an aggregated Trust Score.
* Option C: Marking datasets does not trigger an automatic update of the aggregated score.
* Option D: Manual calculation is unnecessary as the system provides automatic aggregation upon filtering.

NEW QUESTION # 38
You can initialize your component endpoint, API mappings, and documentation from your API definition.
Which API definitions are supported by tRESTRequest?

A. WSDL file
B. CSV definition file
C. XML definition file
D. OAS/Swagger 2.0 file

Answer: D

Explanation:
Comprehensive and Detailed Explanation:
ThetRESTRequest componentsupportsOpenAPI Specification (OAS)/Swagger 2.0for initializing component endpoints, API mappings, and documentation.
* OAS/Swagger 2.0 file (Correct Answer - Option D):
* tRESTRequest allows API-first development by importing aSwagger 2.0 (OAS) definition.
* This enables automatic configuration of API endpoints, request parameters, and response structures.
* Why not other options?
* CSV definition file (Option A):Not a valid API definition format.
* XML definition file (Option B):XML files are not standard for REST API definitions.
* WSDL file (Option C):WSDL is used for SOAP-based web services, not REST.

NEW QUESTION # 39
You need to create a centralized metadata connection to a database server for an application. Which steps should you take before building a Job that reads from that database? Choose 3 answers.

A. Add a tCreateTable component to create a table in the database.
B. Retrieve the schemas from the database connection.
C. Drag the Db Connections metadata onto the Designer to read from the database component.
D. Add a tMap component to handle and convert Db Types.
E. Create Db Connections metadata to describe the database connection.

Answer: B,C,E

Explanation:
Comprehensive and Detailed Explanation:
To establish a centralized metadata connection to a database server in Talend Studio, follow these steps before constructing a Job that reads from the database:
* Create Db Connections Metadata to Describe the Database Connection (Option C):
* In the Repository panel, right-click on "Metadata" and select "Create connection."
* Fill in the necessary details such as database type, host, port, database name, username, and password.
* Test the connection to ensure it is configured correctly.
* Save the connection metadata for reuse across multiple Jobs.
* Retrieve the Schemas from the Database Connection (Option E):
* After creating the database connection metadata, expand it to view the available schemas.
* Retrieve the required schemas by importing the table structures.
* This step ensures that the schema definitions are centralized and can be reused in different Jobs.
* Drag the Db Connections Metadata onto the Designer to Read from the Database Component (Option D):
* In the Repository, locate the previously created database connection metadata.
* Drag and drop the desired table or schema onto the Designer workspace.
* Talend Studio will automatically create the appropriate input component (e.g., tDBInput) configured with the connection and schema details.
By following these steps, you ensure a centralized and consistent approach to managing database connections and schemas, promoting reusability and reducing configuration errors.

NEW QUESTION # 40
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