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Talend Core Certified Developer Exam Sample Questions (Q19-Q24):

NEW QUESTION # 19
Whatare the key capabilities of Talend Cloud Data Preparation that improve data quality and accessibility?
Choose 2 answers

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

Answer: A,B

NEW QUESTION # 20
Where do you access the option to create a Joblet from an existing Job?

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

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 # 21
Which statements describe the Talend Cloud Data Inventory Trust Score? Choose 2 answers.

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

Answer: A,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 # 22
Which statement describes a Data Preparation recipe?

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

Answer: A

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 # 23
A colleague has exported a Data Integration Job to run outside Talend Studio.
How do you run the Job?

A. Install the Job and start the resulting service.
B. Extract the content of the archive and run the batch file or the shell script.
C. Extract the files from the archive and run the JAR file.
D. Extract the contents of the archive and run the batch file and shell script.

Answer: B

Explanation:
To run a job that has been exported by a colleague to run outside Talend Studio, you need to extract the content of the archive and run the batch file or the shell script. The archive file contains all the files and libraries required to run the job independently from Talend Studio on any platform that supports Java. 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.
You do not need to extract the contents of the archive and run both the batch file and shell script, install the job and start the resulting service, or extract the files from the archive and run the JAR file. 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]

NEW QUESTION # 24
......

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