UPDATED TALEND-CORE-DEVELOPER DUMPS & PASS4SURE TALEND-CORE-DEVELOPER STUDY MATERIALS

Updated Talend-Core-Developer Dumps & Pass4sure Talend-Core-Developer Study Materials

Updated Talend-Core-Developer Dumps & Pass4sure Talend-Core-Developer Study Materials

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Talend Core Certified Developer Exam Sample Questions (Q50-Q55):

NEW QUESTION # 50
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 A has full access to Dataset_1.
  • B. User B has full access to Dataset_1.
  • C. User B has limited access to Dataset_1.
  • D. User B has no access to Dataset_1.

Answer: B

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 # 51
You are using a tRESTClient component to call a REST service. Which advanced option should you use to convert the response from the server to the document type?

  • A. Convert Response To HTML Document
  • B. Convert Response To DOM Document
  • C. Convert Response To XML Document
  • D. Convert Response To JSON Document

Answer: B

Explanation:
Comprehensive and Detailed Explanation:
In Talend Studio, the tRESTClient component includes an advanced setting called"Convert Response To DOM Document". When this option is selected, the response from the REST service is converted into a DOM (Document Object Model) document. This allows for structured processing of the response data within Talend workflows.


NEW QUESTION # 52
Which concepts are a part of Pipeline Designer? Choose 3 answers.

  • A. Connection
  • B. Context variables
  • C. Dataset
  • D. Processor
  • E. Preparations

Answer: A,C,D

Explanation:
Comprehensive and Detailed Explanation:
Talend's Pipeline Designer is a tool that enables users to design and execute data integration workflows. Key components of Pipeline Designer include:
* Connection (Option C):
* Defines the link between Pipeline Designer and various data sources or destinations, specifying how to access and interact with external systems.
* Dataset (Option D):
* Represents the structured data that flows through the pipeline, serving as the input or output of various processing steps.
* Processor (Option E):
* Performs specific operations on the data within the pipeline, such as transformations, aggregations, or filtering, to achieve the desired data processing outcomes.
Why not other options?
* Option A:While context variables are used in Talend Studio for parameterizing jobs, they are not a primary concept in Pipeline Designer.
* Option B:"Preparations" refer to data transformation sequences in Talend Data Preparation, not directly in Pipeline Designer.


NEW QUESTION # 53
You have a MySQL table named customers with columns named id, name, address, and country. You need to retrieve records that have a specific country based on a variable. Which steps should you use to achieve this?

  • A. Use a tDBInput component with a Run if trigger.
  • B. Use a tDBInput component and link it to a tFilterColumns component.
  • C. Use a tDBInput component with a context variable in the SQL query.
  • D. Use a tDBInput component and link it to a tMatchGroup component.

Answer: C

Explanation:
Comprehensive and Detailed Explanation:
To filter records based on a specific country dynamically, the best approach isusing a tDBInput component with a context variable in the SQL query (Option A).
Step-by-Step Process:
* Define a Context Variable:
* In theContext Variablessection of Talend Studio, create a new variable (context.country) and set its value dynamically.
* Configure tDBInput:
* Drag and drop the tDBInput component onto theDesigner.
* Set up thedatabase connectionusing either Built-in or Repository mode.
* In theQuery field, write:
SELECT id, name, address, country FROM customers WHERE country = '" + context.country + "'
* Execute the Job:
* The Job will retrieveonly those records where the country column matches the value of the context variable.
* The value of context.country can be modified at runtime, making the querydynamic.
Why not other options?
* tMatchGroup (Option B):Used for record deduplication, not filtering.
* Run if Trigger (Option C):Controls execution flow but does not filter records inside tDBInput.
* tFilterColumns (Option D):Removes unwanted columns but does not filter records based on conditions.


NEW QUESTION # 54
Which statements are true when comparing a Joblet to a tRunJob component?
Choose 3 answers

  • A. A Joblet uses the same context variables of the Job in which it is used, unlinke a tRunJob component.
  • B. The performance of a Joblet if better than running an equivalent Job using a tRunJob component.
  • C. The performance of tRunJob component is better than running an equivalent Job using a Joblet.
  • D. The nested Job called by a tRunJob component cannot use the same context variable of the Job in which it is used.
  • E. Building a Joblet typically requires the use of generic input, and trigger component.

Answer: A,D,E

Explanation:
A Joblet is a reusable piece of a job that can be used in multiple jobs as a single component. A tRunJob component is a component that allows you to call another job as a subjob within a parent job. When comparing a Joblet to a tRunJob component, these statements are true:
* A Joblet uses the same context variables of the job in which it is used, unlike a tRunJob component. A context variable is a variable that can store a value that can be changed at runtime or between different contexts. A Joblet inherits the context variables from the job that contains it and does not have its own context variables. A tRunJob component can pass context variables from the parent job to the child job, or use a specific context for the child job.
* Building a Joblet typically requires the use of generic input and trigger components. A Joblet can have one or more input and output flows that connect it with other components in a job. To create these flows, you need to use generic input and trigger components, such as tJobletInput, tJobletOutput, tJobletTriggerInput, and tJobletTriggerOutput. These components allow you todefine schemas and triggers for your Joblet without depending on specific components.
* The nested job called by a tRunJob component cannot use the same context variables of the job in which it is used. A nested job is a job that is called by another job using a tRunJob component. A nested job can have its own context variables or receive context variables from its parent job, but it cannot use the same context variables as its parent job. This means that if you have two context variables with the same name in both jobs, they will be treated as separate variables and will not share values.
These statements are false when comparing a Joblet to a tRunJob component:
* The performance of tRunJob component is better than running an equivalent job using a Joblet. The performance of a Joblet is better than running an equivalent job using a tRunJob component. This is because a Joblet is integrated into the main code of the job and does not require launching another JVM process or loading another metadata object like a tRunJob component does. References: Talend Open Studio: Open-source ETL and Free Data Integration | Talend, [Joblets - 7.3], [tRunJob properties - 7.3],
[Contexts - 7.3]


NEW QUESTION # 55
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