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

NEW QUESTION # 40
Which statements describe the Talend Cloud Data Inventory Trust Score? Choose 2 answers.

A. Helps data consumers assign a score representing the quality of the dataset.
B. Aggregates several metrics into a single score.
C. Scales the Trust Score from 0 to 5.
D. Scales the Trust Score from 0 to 10.

Answer: B,C

Explanation:
Comprehensive and Detailed Explanation:
The Talend Trust Score is a feature of Talend Cloud Data Inventory that provides an assessment of a dataset's reliability and quality:
* Aggregates several metrics into a single score (Option A):
* The Trust Score combines multiple factors, including validity, completeness, popularity, discoverability, and usage, into a single, comprehensive score. This aggregation helps users quickly gauge the overall trustworthiness of a dataset.
* Scales the Trust Score from 0 to 5 (Option C):
* The Trust Score ranges from 0 to 5, with higher scores indicating better data quality and reliability. This standardized scale allows for easy comparison between datasets.
Why not other options?
* Option B:While data consumers can view and utilize the Trust Score, it is automatically calculated by Talend based on specific metrics; users do not assign this score themselves.
* Option D:The Trust Score does not use a 0 to 10 scale; it specifically ranges from 0 to 5.

NEW QUESTION # 41
You designing a Job that can run in two contexts, Test and Production. You want to run it as a standalone job outside Talend Studio.
How do you accomplish this?

A. Build the Job with the Context scripts option selected in the Build Job windows. Before running the Job, edit the script according to the context in which want to run the job.
B. Build the Job with the desired context selected in the Build Job windows. Build a separate copy if you need to run the Job in a different context.
C. Build the Job with the Context scripts option selected in the Build Job windows. You will be prompted for the context.
D. Set the desired context as the default, then build the Job. Rebuild the Job if you need to run it in a different context.

Answer: B

Explanation:
To design a job that can run in two contexts, Test and Production, and run it as a standalone job outside Talend Studio, you need to do the following steps:
* Define the context variables and values for each context in the Contexts tab of your job. A context variable is a variable that can store a value that can be changed at runtime or between different contexts.
You can use context variables to parameterize the properties or expressions of your job components.
* Build the job with the desired context selected in the Build Job window. You can access this option by right-clicking on your job in the Repository tree view and selecting Build Job. This will open a dialog box where you can configure the build settings, such as destination folder, archive name, context, etc.
You need to select the context that you want to use for your job execution from the drop-down menu.
* Extract the content of the archive file that contains your job executable files and libraries. The archive file also contains two executable files: a batch file (.bat) for Windows platforms and a shell script (.sh) for Linux platforms. You need to run the appropriate file for your platform by double-clicking on it or using a command line tool. This will launch the job and display its output in a console window.
* If you need to run the job in a different context, you need to build a separate copy of the job with the other context selected in the Build Job window. You cannot change the context of an already built job without rebuilding it.
You do not need to build the job with the Context scripts option selected in the Build Job window, edit the script according to the context in which you want to run the job, set the desired context as the default, rebuild the job if you need to run it in a different context, or be prompted for the context. These methods are not correct or available in Talend Studio and may cause errors or unexpected results. References: Talend Open Studio: Open-source ETL and Free Data Integration | Talend, [Build Job - 7.3], [Contexts - 7.3]

NEW QUESTION # 42
Which statement describes a Data Preparation recipe?

A. Datasets created for external applications
B. Set of functions applied to a dataset
C. List of semantic types associated with a dataset
D. Dataset designed specifically for export

Answer: B

Explanation:
Comprehensive and Detailed Explanation:
In Talend Cloud Data Preparation, areciperefers to a sequence of data transformation steps applied to a dataset. These steps can include actions like filtering, cleansing, enriching, and formatting data to prepare it for analysis or reporting. The recipe ensures that the same transformations can be consistently reapplied to the dataset or similar datasets, promoting data consistency and efficiency.
Why not other options?
* Option A:A recipe is not a dataset itself but a set of transformation instructions applied to a dataset.
* Option C:While semantic types are important, a recipe encompasses more than just listing them; it involves actionable transformations.
* Option D:Recipes are not datasets but are applied to datasets to achieve desired transformations.

NEW QUESTION # 43
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 Metadata, @ project ref, Job Designs, Standard, then select testJob.
B. Navigate to @ Referenced project, @ 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.

Answer: B

Explanation:
To reuse a job named testJob from a referenced project named project_ref in your main job, you need to navigate to @Referenced project, @project_ref, Job Designs, Standard, then select testJob. A referenced project is a project that can be accessed from another project in read-only mode. You can add a referenced project to your main project by using the Project Settings window in Talend Studio. You can then browse the items (such as jobs, metadata, routines, etc.) of the referenced project in the Repository tree view under the
@Referenced project node. You can drag and drop any item from the referenced project to your main job design workspace.
You do not need to use import items, create standard job, or navigate to Metadata options. These options are not used to reuse jobs from referenced projects. The import items option is used to import items (such as jobs, metadata, routines, etc.) from an archive file that can be exported from another project or workspace. The create standard job option is used to create a new job with a name and a description. The Metadata node in the Repository tree view is used to store and manage metadata definitions for various data sources (such as databases, files, web services,etc.). References: Talend Open Studio: Open-source ETL and Free Data Integration | Talend, [Referenced projects - 7.3]

NEW QUESTION # 44
Whatare the key capabilities of Talend Cloud Data Preparation that improve data quality and accessibility?
Choose 2 answers

A. Standardize data
B. Discover
C. Cleanse data
D. Transform

Answer: A,C

NEW QUESTION # 45
......

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