DUMPSTILLVALID OFFER THE TALEND TALEND-CORE-DEVELOPER EXAM QUESTIONS IN THREE VERSIONS

DumpStillValid Offer The Talend Talend-Core-Developer Exam Questions In Three Versions

DumpStillValid Offer The Talend Talend-Core-Developer Exam Questions In Three Versions

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Talend Core Certified Developer Exam Sample Questions (Q40-Q45):

NEW QUESTION # 40
You need to set up a server in your Talend environment that enables several members of your team to collaborate on a project.
Which application must you enable before working on a remote project?

  • A. Git or SVN server instance must be running.
  • B. Talend admission Center service must be running on each development workstation.
  • C. Git or SVN client must be installed on each developed workstation.
  • D. Talent Administration Center instance must be running with the team members and project configured.

Answer: A,D

Explanation:
To set up a server in your Talend environment that enables several members of your team to collaborate on a project, you need to enable two applications before working ona remote project: Git or SVN server instance and Talend Administration Center instance. These applications are used to manage version control and collaboration for your project.
Git or SVN server instance is a server application that allows you to store and track changes of your project files using a version control system. Git and SVN are two popular version control systems that are supported by Talend Studio. You need to have a Git or SVN server instance running and accessible by your team members before working on a remote project. You also need to have a Git or SVN client installed on each development workstation to connect to the server and perform version control operations.
Talend Administration Center is a web-based application that allows you to manage users, projects, tasks, execution servers, and licenses for your Talend environment. You need to have a Talend Administration Center instance running and accessible by your team members before working on a remote project. You also need to configure the team members and project settings in Talend Administration Center to grant access and permissions for your project. References: Talend Open Studio: Open-source ETL and Free Data Integration | Talend, [Version control - 7.3], [Talend Administration Center - 7.3]


NEW QUESTION # 41
You need to share a connection between multiple database components in a Studio Job. Which component should you use?

  • A. tDBRun
  • B. tDBCommit
  • C. tDBConnection
  • D. tDBOutput

Answer: C

Explanation:
Comprehensive and Detailed Explanation:
In Talend, when multiple components need to share the same database connection, thetDBConnection component is used.
* tDBConnection (Correct Answer - Option D):
* This component establishes a database connection that can bereused by multiple database components(such as tDBInput, tDBOutput, and tDBRow) within the same Job.
* Reduces redundant connection creation,improving performance and efficiency.
* To use it, other database components must set"Use an existing connection"in their configuration.
* Why not other options?
* tDBOutput (Option A):Used for writing data to a database but does not manage shared connections.
* tDBRun (Option B):Used to execute a subJob but does not handle database connections.
* tDBCommit (Option C):Used for committing transactions, but it requires a shared connection (which tDBConnection provides).


NEW QUESTION # 42
Where can you specify the remote JobServer to execute a Job?

  • A. Run/Debug section in the Preference window
  • B. Extra tab in the Job view
  • C. Target Exec tab in the Run view
  • D. Job settings section of the Project Settings windows

Answer: C

Explanation:
To specify the remote JobServer to execute a job, you need to use the Target Exec tab in the Run view of Talend Studio. The Run view allows you to configure and execute your job from Talend Studio. The Target Exec tab allows you to select whether you want to run your job locally or remotely on a JobServer. A JobServer is a server application that allows you to execute jobs remotely from Talend Studio or Talend Administration Center. To run your job on a remote JobServer, you need to select Remote Jobserver option from the drop-down menu and select or add a JobServer connection from the list.
You do not need to use Job settings section of Project Settings window, Extra tab in Job view, or Run/Debug section in Preferences window. These windows are not used to specify remote JobServer execution. The Job settings section of Project Settings window is used to configure general settings for your jobs, such as versioning, statistics, logs, etc. The Extra tab in Job view is used to configure extra features for your job, such as implicit context load, tStatCatcher, tLogCatcher, etc. The Run/Debug section in Preferences window is used to configure run/debug settings for your Talend Studio, such as JVM arguments, execution mode, etc. References: Talend Open Studio: Open-source ETL and Free Data Integration | Talend, [Run view - 7.3],
[Project Settings - 7.3], [Job view - 7.3], [Preferences - 7.3]


NEW QUESTION # 43
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 both the previous and next components in the Job.
  • B. Confirm that you want to apply the schema changes to the next component 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: B

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 # 44
Which locations allow you to view a dataset in Talend Cloud Data Preparation? Choose 3 answers.

  • A. Dataset sample
  • B. Dataset patterns
  • C. Dataset overview
  • D. Dataset properties
  • E. Data preparation overview

Answer: A,B,C

Explanation:
Comprehensive and Detailed Explanation:
In Talend Cloud Data Preparation, users can view and interact with datasets through various interfaces:
* Dataset overview (Option C):
* Provides a general summary of the dataset, including metadata, quality metrics, and other pertinent information.
* Dataset patterns (Option D):
* Displays recurring patterns within the dataset, helping users understand data distributions and identify anomalies.
* Dataset sample (Option E):
* Allows users to view a sample of the dataset's records, facilitating data exploration and preparation tasks.
Why not other options?
* Option A:"Data preparation overview" is not a standard feature or terminology within Talend Cloud Data Preparation.
* Option B:"Dataset properties" typically refers to metadata and configuration settings, not the data content itself.


NEW QUESTION # 45
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