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Pass Guaranteed Quiz Talend-Core-Developer - Talend Core Certified Developer Exam Latest Valid Exam Pattern

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Talend Core Certified Developer Exam Sample Questions (Q38-Q43):

NEW QUESTION # 38
Where do you access the option to create a Joblet from an existing Job?

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

Answer: C

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 # 39
Which component can be used to read a CSV file in an ESB Route?

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

Answer: E

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 # 40
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 next component in the Job.
B. Confirm that you want to apply the schema changes to both the previous and next components in the Job.
C. Confirm that you want to apply the schema changes to the selected component.
D. Confirm that you want to apply the schema changes to the previous component in the Job.

Answer: A

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 # 41
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 limited access to Dataset_1.
B. User B has no access to Dataset_1.
C. User A has full access to Dataset_1.
D. User B has full access to Dataset_1.

Answer: D

Explanation:
Comprehensive and Detailed Explanation:
In Talend Cloud Data Inventory, when a user creates a dataset using a shared connection, the following applies:
* User B has full access to Dataset_1 (Option D):
* Once User B creates Dataset_1 using the shared connection, they become the owner of that dataset. Even if User A later revokes access to the connection, User B retains full access to Dataset_1. The dataset's accessibility is independent of the connection's sharing status after its creation.
Why not other options?
* Option A:User B's access to Dataset_1 is not limited; they have full ownership and control.
* Option B:Revoking the connection does not remove User B's access to datasets they have already created.
* Option C:User A's access to Dataset_1 depends on the sharing settings applied by User B; by default, User A does not have access unless granted.

NEW QUESTION # 42
Which methods can you use to name an output row in a tMap component? Choose 3 answers.

A. Select the output row, then open the Component view and click the View tab.
B. Double-click the output row in the Designer and enter a new name.
C. Click the name of the table in the Map Editor window and edit it.
D. Assign the name when connecting a new output component.
E. Assign the name when defining a new output table in the Map Editor window.

Answer: C,D,E

Explanation:
In a tMap component, naming an output row correctly helps in managing data flow efficiently. The correct methods are:
* A. Click the name of the table in the Map Editor window and edit it.
* Open tMap, locate the output table, and click its name to edit it directly.
* B. Assign the name when defining a new output table in the Map Editor window.
* When adding a new output table, you can name it immediately in the Map Editor.
* D. Assign the name when connecting a new output component.
* When you connect an output component to tMap, you can assign a custom row name.

NEW QUESTION # 43
......

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