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Talend Core Certified Developer Exam Sample Questions (Q55-Q60):

NEW QUESTION # 55
Which methods can you use to name an output row in a tMap component? Choose 3 answers.

A. Assign the name when defining a new output table in the Map Editor window.
B. Assign the name when connecting a new output component.
C. Double-click the output row in the Designer and enter a new name.
D. Click the name of the table in the Map Editor window and edit it.
E. Select the output row, then open the Component view and click the View tab.

Answer: A,B,D

Explanation:
In a tMap component, naming an output row correctly helps in managing data flow efficiently. The correct methods are:
* A. Click the name of the table in the Map Editor window and edit it.
* Open tMap, locate the output table, and click its name to edit it directly.
* B. Assign the name when defining a new output table in the Map Editor window.
* When adding a new output table, you can name it immediately in the Map Editor.
* D. Assign the name when connecting a new output component.
* When you connect an output component to tMap, you can assign a custom row name.

NEW QUESTION # 56
What is the default port for the REST Endpoint when using tRESTRequest in Talend Studio?

A. 0
B. 1
C. 2
D. 3

Answer: B

Explanation:
Comprehensive and Detailed Explanation:
The defaultREST endpoint port for tRESTRequest in Talend Studio is 8090.
* Port 8090 (Correct Answer - Option D):
* When running a REST service insideTalend Studio, the default listening port is8090.
* This can be changed in the component settings if required.
* Other port options explained:
* 5040 & 5070: Not default ports used for Talend REST services.
* 8040: Used inTalend Runtime, not in Studio.

NEW QUESTION # 57
Which options can you use to add a Joblet to your talend Job?
Choose 3 answers

A. Drag the Jobket from the Repository tree view to designer canvas.
B. Use a tRunJob component and select the Joblet from the drop-down menu.
C. Drag the Joblet from Palette to the design workspace.
D. Type the Joblet name on the Studio canvas, then select if from the Palette drop-down menu.
E. Right-click the Joblet from Palette and select the Add option.

Answer: A,C,D

Explanation:
To add a Joblet to your Talend Job, you can use one of these options:
* Type the Joblet name on the Studio canvas, then select it from the Palette drop-down menu. This will create a Joblet container on your canvas that contains all the components and links of your Joblet.
* Drag the Joblet from Repository tree view to designer canvas. This will also create a Joblet container on your canvas that contains all components and links of your Joblet.
* Drag Joblet from Palette to design workspace. This will open a dialog box where you can select an existing Joblet from Repository or create a new one.
You cannot use a tRunJob component and select Joblet from drop-down menu, nor right-click Joblet from Palette and select Add option. These methods are not available in Talend Studio and may cause errors or unexpected results. References: Talend Open Studio: Open-source ETL and Free Data Integration | Talend,
[Joblets - 7.3]

NEW QUESTION # 58
You need a list of all customers whose first name contains "Tom" and who are older than 18. Which processor should be used?

A. Data sampling
B. Join
C. Aggregate
D. Filter

Answer: D

Explanation:
Comprehensive and Detailed Explanation:
To filter customer records based onfirst name containing "Tom"andage greater than 18, theFilter processor is the correct choice.
* TheFilter processorallows users to setconditional rulesto extract only the required data.
* Users can specify conditions such as:
first_name CONTAINS "Tom"
AND
age > 18
* This ensures that only relevant records are included in the output.
Why not other options?
* Option A (Join):Used to combine data from multiple datasets based on a key field, not for filtering.
* Option B (Aggregate):Used for summarizing data, such as calculating counts, sums, or averages.
* Option D (Data Sampling):Used to select a random subset of data, not for filtering based on conditions.

NEW QUESTION # 59
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. CommandLine options
B. Java Function paramters
C. Context parameters
D. File

Answer: C

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 # 60
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