2025 EFFICIENT TALEND TALEND-CORE-DEVELOPER RELIABLE TEST PREP

2025 Efficient Talend Talend-Core-Developer Reliable Test Prep

2025 Efficient Talend Talend-Core-Developer Reliable Test Prep

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Talend Core Certified Developer Exam Sample Questions (Q39-Q44):

NEW QUESTION # 39
You have two branches: Branch1 contains Job1, and Branch 2 contains Job 2. You want to copy Job1 to Branch 2 and preserve the change history when connecting Studio to Talend Administrator Center.
Which method should you use to preserve the change history?

  • A. Switch to Branch 1, right-click Job 1, select Copy to branch, and select Branch 2.
  • B. Switch to Branch 1, copy lob 1, switch to Branch 2, and paste Job 1 over Job 2.
  • C. Switch to Branch 1, copy the Branch 1 job, switch to Branch 2, and paste the job into Branch 2.
  • D. Switch to branch 1, copy the Branch 1 Job, switch to Branch 2, and paste the Job into Branch 2.

Answer: A

Explanation:
To copy Job1 from Branch1 to Branch2 and preserve the change history when connecting Studio to Talend Administration Center, you need to use the Copy to branch option. This option allows you to copy a job or a folder from one branch to another branch in the same project without losing the version history. You can access this option by switching to Branch1, right-clicking on Job1 in the Repository tree view, and selecting Copy to branch. This will open a dialog box where you can select Branch2 as the target branch and confirm the copy operation.
You do not need to use the import items, create standard job, or paste over options. These options are not used to copy jobs between branches and preserve the change history. 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 paste over option is used to overwrite an existing job with another job that has been copied or cut from the same or another project. References: Talend Open Studio: Open-source ETL and Free Data Integration | Talend, [Copy to branch - 7.3]


NEW QUESTION # 40
Which file should you edit to enable SSL for a JobServer?

  • A. Conf/TalendJobServer.properties
  • B. Conf/TalendServer.properties
  • C. Jsl_stati64.ini
  • D. Conf/server.xml

Answer: A

Explanation:
To enable SSL for a JobServer, you need to edit the conf/TalendJobServer.properties file. A JobServer is a server application that allows you to execute jobs remotely from Talend Studio or Talend Administration Center. The conf/TalendJobServer.properties file contains various configuration parameters for your JobServer, such as port number, log level, security options, etc. To enable SSL for your JobServer, you need to set the sslparameter to true and provide the path and password of your keystore file that contains your SSL certificate.
You do not need to edit conf/TalendServer.properties, conf/server.xml, or jsl_static64.ini files. These files are not related to JobServer configuration or SSL settings. The conf/TalendServer.properties file is used to configure Talend Administration Center settings, such as database connection, LDAP authentication, email notification, etc. The conf/server.xml file is used to configure Tomcat server settings, such as connectors, realms, valves, etc. The jsl_static64.ini file is used to configure Java Service Launcher settings, such as service name, description, startup type, etc. References: Talend Open Studio: Open-source ETL and Free Data Integration | Talend, [Configuring Talend JobServer - 7.3], [Configuring Talend Administration Center - 7.3],
[Configuring Tomcat - 7.3], [Installing Java Service Launcher - 7.3]


NEW QUESTION # 41
You need to call a different Job within a Job you are developing.
Which mechanism allows you to pass the parameters to the lob you want to call?

  • A. Context parameters
  • B. File
  • C. CommandLine options
  • D. Java Function paramters

Answer: A

Explanation:
To call a different job within a job you are developing, you can use the tRunJob component. This component allows you to execute another job as a subjob within a parent job. To pass the parameters to the job you want to call, you can use the context parameters. Context parameters are variables that can store values that can be changed at runtime or between different contexts. You can define context parameters in the Contexts tab of your job and assign them values for each context. You can also pass context parameters from the parent job to the child job by using the Context Param tab of the tRunJob component. This way, you can parameterize the properties or expressions of the child job with the values from the parent job.
You do not need to use a file, command line options, or Java function parameters to pass parameters to a different job. These methods are not supported by Talend Studio and may cause errors or unexpected results. References: Talend Open Studio: Open-source ETL and Free Data Integration | Talend, [tRunJob properties - 7.3], [Contexts - 7.3]


NEW QUESTION # 42
Which HTTP methods are supported by tRESTRequest?

  • A. GET, POST, PUT, PATCH, and DELETE
  • B. GET, POST, UPDATE, and DELETE
  • C. SELECT, INSERT, UPDATE, and DELETE
  • D. POST, PATCH, and UPDATE

Answer: A

Explanation:
Comprehensive and Detailed Explanation:
The tRESTRequest component in Talend Studio is designed to handle RESTful web service requests. It supports the following HTTP methods:
* GET: Retrieves data from the server.
* POST: Submits data to the server, often causing a change in state or side effects.
* PUT: Replaces all current representations of the target resource with the request payload.
* PATCH: Applies partial modifications to a resource.
* DELETE: Removes the specified resource from the server.
Therefore, the correct answer isA. GET, POST, PUT, PATCH, and DELETE.


NEW QUESTION # 43
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 with a context variable in the SQL query.
  • C. Use a tDBInput component and link it to a tMatchGroup component.
  • D. Use a tDBInput component and link it to a tFilterColumns component.

Answer: B

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 # 44
......

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