[2024] Use Valid Data-Integration-Developer Exam - Actual Exam Question & Answer
Test Engine to Practice Data-Integration-Developer Test Questions
NEW QUESTION # 30
You want to use the value of a context variable you defined to configure a component, but you do not remember the exact name. You decide to use the auto-completion feature in Talend Studio Studio to get assistance.
Which keystrokes can you use to trigger auto-completion?
- A. Ctrl + Alt + Space
- B. Alt - Space
- C. Ctrl + Space
- D. Fsc + Space
Answer: C
Explanation:
Explanation
To trigger auto-completion in Talend Studio, you can use the keystrokes Ctrl + Space. This will display a list of possible suggestions based on what you have typed so far. For example, if you type context. and press Ctrl
+ Space, you will see a list of all the context variables you have defined. You can then select the one you want from the list or continue typing to narrow down the choices. Auto-completion can help you avoid typing errors and save time when configuring components or writing expressions. References: Talend Open Studio:
Open-source ETL and Free Data Integration | Talend
NEW QUESTION # 31
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, copy the Branch 1 job, switch to Branch 2, and paste the job into Branch 2.
- B. Switch to Branch 1, right-click Job 1, select Copy to branch, and select Branch 2.
- C. Switch to Branch1, copy lob 1, switch to Branch 2, and paste Job 1 over Job 2.
- D. Switch to branch 1, copy the Branch 1 Job, switch to Branch 2, and paste the Job into Branch 2.
Answer: B
Explanation:
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 branchoption. 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 # 32
You have a Job that uses a tFileInputDelimited component to extract data from an input file. You built a spate subjob, called W, to handle the condition when the input file is empty.
Which condition syntax is correct for the Run if connection?
- A. ((Integer)globalMap.get(''tFieldInputDelimited_1NB_LINES''))-0
- B. ((Integer)globalMap.get(''tFieldInputDelimited_1NB_LINES''))--0
- C. ((Integer)globalMap.get(''tFieldInputDelimited_1NB_LINES''))=0
- D. ((Integer)globalMap.get(''tFieldInputDelimited_1NB_LINES''))===0
Answer: A
Explanation:
Explanation
To reference the value of a context variable you defined, you can use the syntax context.variable_name, where variable_name is the name of the context variable. For example, if you have a context variable named path, you can reference its value by using context.path. You do not need to specify the context name (such as test or prod) or use parentheses or brackets around the variable name. References: Talend Data Integration - Software to Connect, Access, and Transform Data | Talend, [Contexts - 7.3]
NEW QUESTION # 33
You are using the tMap component to configure a mapping.
What do the tables on the left side of the Map Editor window represent?
- A. Expression to apply to the output data
- B. Schemas of the input rows
- C. Explosions to apply to the input data
- D. Schemas of the output rows
Answer: B
Explanation:
Explanation
The tables on the left side of the Map Editor window represent the schemas of the input rows. The schemas define the structure and type of the data that is coming from the input components connected to the tMap component. You can drag and drop columns from the input tables to the output tables on the right side of the Map Editor window to create mappings and transformations.
NEW QUESTION # 34
Which element carries data between two components in a Job?
- A. Link
- B. Sublob
- C. Trigger
- D. Row
Answer: D
Explanation:
Explanation
A row is an element that carries data between two components in a Job. A row is also called a link or a connector. A row can be of different types, such as Main, Lookup, Reject, Iterate, etc. A subjob is a group of components that are connected together and executed as a single unit. A trigger is an element that controls the execution flow of a Job or a subjob. A trigger can be of different types, such as OnSubjobOk, OnComponentOk, RunIf, etc.
NEW QUESTION # 35
A Job has two contexts defined: lest (the default) and Prod, and two context variables defined: path and server.
Which expression should you use to reference the path?
- A. context, path
- B. contex,(test.Prod).path
- C. context(path)
- D. context.Tfblpdtr1
Answer: A
Explanation:
Explanation
To reference the value of a context variable you defined, you can use the syntax context.variable_name, where variable_name is the name of the context variable. For example, if you have a context variable named path, you can reference its value by using context.path. You do not need to specify the context name (such as test or prod) or use parentheses or brackets around the variable name. References: Talend Data Integration - Software to Connect, Access, and Transform Data | Talend,
NEW QUESTION # 36
Which Action on table operations are supported by a tMysqlOutput component?
Choose 3 answers
- A. Drop table
- B. Replace
- C. Create table if does not exists
- D. Create table
- E. Drop table if exists andcreate
Answer: C,D,E
Explanation:
Explanation
The tMysqlOutput component is used to write data into a MySQL database table. The Action on table parameter of this component allows you to specify what operation to perform on the table before loading data into it. The Action on table parameter supports the following operations:
Drop table if exists and create: This operation drops the table if it already exists in the database and creates a new one with the same name and structure as defined in the schema.
Create table: This operation creates a new table in the database with the name and structure as defined in the schema. If a table with the same name already exists, an error will be raised.
Create table if does not exist: This operation creates a new table in the database with the name and structure as defined in the schema only if there is no table with the same name already existing in the database. If a table with the same name already exists, no action will be taken.
The Action on table parameter does not support the following operations:
Replace: This is not an operation on the table, but on the data. The Replace parameter of the tMysqlOutput component allows you to specify whether to replace existing rows in the table with new rows based on a key attribute or to insert new rows only.
Drop table: This is not an operation on the table, but on the database. The Drop table parameter of the tMysqlConnection component allows you to specify whether to drop the table after closing the connection or not. References: Talend Open Studio: Open-source ETL and Free Data Integration | Talend, [tMysqlOutput properties - 7.3], [tMysqlConnection properties - 7.3]
NEW QUESTION # 37
You are building a Job to run outsode Talend Studio that must run on both Linux and Windows.
Which action should you take when building the Job?
- A. Build one package for each platform.
- B. Specify All for the Shell launcher option in the Build Job windows.
- C. Select Build Job because Jobs are runnable on all platforms
- D. Configure the Job properties building the Job.
Answer: B
Explanation:
Explanation
To build a job to run outside Talend Studio that must run on both Linux and Windows, you need to select Build Job because jobs are runnable on all platforms. The Build Job option allows you to export your job as an executable file that can be run independently from Talend Studio on any platform that supports Java. 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 do not need to specify All for the Shell launcher option in the Build Job window, configure the job properties before building the job, or build one package for each platform. These methods are not necessary 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 # 38
You need to set up a server in your Talend environment that enables several members of your team to collaborate on a project.
Which application must you enable before working on a remote project?
- A. Talent Administration Center instance must be running with the team members and project configured.
- B. Git or SVN server instance must be running.
- C. Talend admission Center service must be running on each development workstation.
- D. Git or SVN client must be installed on each developed workstation.
Answer: A,B
Explanation:
Explanation
To set up a server in your Talend environment that enables several members of your team to collaborate on a project, you need to enable two applications before working on a remote project: Git or SVN server instance and Talend Administration Center instance. These applications are used to manage version control and collaboration for your project.
Git or SVN server instance is a server application that allows you to store and track changes of your project files using a version control system. Git and SVN are two popular version control systems that are supported by Talend Studio. You need to have a Git or SVN server instance running and accessible by your team members before working on a remote project. You also need to have a Git or SVN client installed on each development workstation to connect to the server and perform version control operations.
Talend Administration Center is a web-based application that allows you to manage users, projects, tasks, execution servers, and licenses for your Talend environment. You need to have a Talend Administration Center instance running and accessible by your team members before working on a remote project. You also need to configure the team members and project settings in Talend Administration Center to grant access and permissions for your project. References: Talend Open Studio: Open-source ETL and Free Data Integration | Talend, [Version control - 7.3], [Talend Administration Center - 7.3]
NEW QUESTION # 39
Where can you simultaneously define primary keys for the Update and Delete operations in a tMysqlOutput component?
- A. Advanced settings view, select the Use hint options check box
- B. Basic settings view, select the Use field options check box
- C. Advanced settings view, select the Additional columns options check box
- D. Advanced settings view, select the Use field options check box
Answer: D
Explanation:
Explanation
The tMysqlOutput component is used to write data into a MySQL database table. The Update and Delete operations are used to modify or remove existing rows in the table based on a primary key. To define the primary key for these operations, you need to use the Use field options check box in the Advanced settings view of the component. This will enable you to specify which columns are used as keys for each operation.
You can also define other options for each column, such as nullable, length, precision, etc. The Use field options check box is not available in the Basic settings view of the component. The Additional columns options check box and the Use hint options check box are used for other purposes, such as adding extra columns or hints to the SQL query, and they do not affect the primary key definition. References: Talend Open Studio: Open-source ETL and Free Data Integration | Talend, [tMysqlOutput properties - 7.3]
NEW QUESTION # 40
You are collaborating on a project with other developers using talend best practices.
When should you use a tag?
- A. Capturing snapshot of a codebase that requires ongoing maintenance.
- B. Denoting major or minor releases.
- C. Denoting a milestone in the lifecycle of a project
- D. Fixing hugs or enhancements.
Answer: C
Explanation:
Explanation
Tags are used to mark specific points in the development lifecycle of a project. This can be done for a variety of reasons, such as:
To mark the completion of a major feature or release
To mark the start of a new development phase (e.g., QA, production)
To mark a known good state of the codebase (e.g., before a risky change) Tags can be used to create branches, which can then be used to develop and test new features or bug fixes.
They can also be used to deploy the codebase to different environments (e.g., development, staging, production).
Examples of when to use a tag:
When you are ready to release a new version of your application to production.
When you have completed a major feature or milestone in the development of your application.
Before making a risky change to your codebase, such as a database migration or refactoring.
When you need to deploy your application to a different environment, such as staging or production.
Benefits of using tags:
Tags can help you to keep track of the different versions of your codebase.
Tags can help you to roll back to a previous version of your codebase if necessary.
Tags can help you to deploy your codebase to different environments.
Tags can help you to collaborate with other developers more effectively.
References:
Talend Best Practices Guide:
https://help.talend.com/r/en-US/8.0/software-dev-lifecycle-best-practices-guide/branching-merging-and-ta Git documentation on tags: https://git-scm.com/docs/git-tag
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. File
- B. Context parameters
- C. Java Function paramters
- D. CommandLine options
Answer: B
Explanation:
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
You are building a Job that consists of two subJobs being sequentially executedI he first subJob completes successfully.
Which component in the first subJob triggers the execution of the second subJob?
- A. Start component
- B. Any component
- C. Final component
- D. Input component
Answer: A
Explanation:
Explanation
The Start component in a subjob triggers the execution of the next subjob in a sequential order. The Start component is used to define where a subjob begins and to link it with other subjobs within a job. The Start component has only one output link that can be connected to any other component in the same subjob or to another Start component in another subjob. When a subjob completes successfully, it sends an OnSubjobOk trigger to its Start component, which then activates the next subjob linked to it. The Final component, on the other hand, is used to define where a subjob ends and to perform some actions after its completion, such as sending anemail or logging a message. The Final component has no output link and does not trigger any other subjob. The Input component and any other component in a subjob do not trigger any other subjob by themselves, unless they are connected to a Start component through an output link or an OnComponentOk trigger. References: Talend Open Studio: Open-source ETL and Free Data Integration | Talend, [Start properties - 7.3], [Final properties - 7.3]
NEW QUESTION # 43
In the tMap component, where do you set up a filter on the input fields?
- A. Expression filter in the output table
- B. Match Model parameter field for one of the main inputs
- C. Expression field for a single column of the output
- D. Match Model parameter field for fine of the inputs
Answer: A
Explanation:
Explanation
The tMap component allows you to set up a filter on the input fields by using the Expression filter in the output table. The Expression filter is a field where you can enter a logical expression that evaluates to true or false for each input row. For example, if you want to filter out the rows that have null values in a certain column, you can use row1.column != null as the expression filter for that output. The expression filter applies to all the input fields of the row, not just a single column. You cannot set up a filter on the input fields by using the Match Model parameter field for one of the inputs or outputs, as this field is used to define how to match rows between different inputs or outputs based on a key attribute. References: Talend Open Studio:
Open-source ETL and Free Data Integration | Talend
NEW QUESTION # 44
Where can you specify the remote JobServer to execute a Job?
- A. Target Exec tab in the Run view
- B. Run/Debug section in the Preference window
- C. Job settings section of the Project Settings windows
- D. Extra tab in the Job view
Answer: A
Explanation:
Explanation
To specify the remote JobServer to execute a job, you need to use the Target Exec tab in the Run view of Talend Studio. The Run view allows you to configure and execute your job from Talend Studio. The Target Exec tab allows you to select whether you want to run your job locally or remotely on a JobServer. A JobServer is a server application that allows you to execute jobs remotely from Talend Studio or Talend Administration Center. To run your job on a remote JobServer, you need to select Remote Jobserver option from the drop-down menu and select or add a JobServer connection from the list.
You do not need to use Job settings section of Project Settings window, Extra tab in Job view, or Run/Debug section in Preferences window. These windows are not used to specify remote JobServer execution. The Job settings section of Project Settings window is used to configure general settings for your jobs, such as versioning, statistics, logs, etc. The Extra tab in Job view is used to configure extra features for your job, such as implicit context load, tStatCatcher, tLogCatcher, etc. The Run/Debug section in Preferences window is used to configure run/debug settings for your Talend Studio, such as JVM arguments, execution mode, etc. References: Talend Open Studio: Open-source ETL and Free Data Integration | Talend, [Run view - 7.3],
[Project Settings - 7.3], [Job view - 7.3], [Preferences - 7.3]
NEW QUESTION # 45
How are contexts defined?
- A. In addition to a default context, Talend Studio defines a list of standard contexts you can use in your Ions.
- B. They are automatically defined by the types of components used in the Job.
- C. Talend Studio defines a default context, and you can define more as needed.
- D. You must define the contexts
Answer: D
Explanation:
Explanation
Contexts are a way of defining different sets of values for variables that are used in a job. For example, you can define a context for testing and another context for production, with different values for the database connection parameters, file paths, etc. You can then switch between the contexts easily without modifying the job design. Contexts are not automatically defined by the types of components used in the job, nor by Talend Studio. You must define the contexts yourself in the Contexts tab of your job. You can also create context groups in the Repository and reuse them in multiple jobs. References: Talend Data Integration - Software to Connect, Access, and Transform Data | Talend,
NEW QUESTION # 46
Which file should you edit to enable SSL for a JobServer?
- A. Conf/server.xml
- B. Jsl_stati64.ini
- C. Conf/TalendJobServer.properties
- D. Conf/TalendServer.properties
Answer: C
Explanation:
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 ssl parameter 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 Centersettings, 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 # 47
You are building a complex Job and want to explore different optionsfor optimizing execution timesusing parallelism.
How can you identify execution times to verify the effectiveness of your changes?
Choose 2 answers
- A. Observing the execution times that annotate the flows in the Designer.
- B. Heading the time stamps from the execution console in the Run view.
- C. Comparing time stamp in Trace Debug mode.
- D. Observing the execution time in the Code view.
Answer: A,B
Explanation:
Explanation
To identify execution times to verify the effectiveness of your changes, you can use one of these methods:
Reading the time stamps from the execution console in the Run view. This method allows you to see the start and end time of each subjob and component in your job, as well as the total execution time of the job. You can also see the number of rows processed by each component and the status of the job (success or failure).
Observing the execution times that annotate the flows in the Designer. This method allows you to see the execution time of each flow (main, lookup, reject, etc.) between components in your job. You can also see the number of rows processed by each flow and the throughput (rows per second) of each flow.
You cannot use these methods to identify execution times:
Observing the execution time in the Code view. This method does not show you the execution time of your job or its components, but only the generated code of your job in Java or Perl. The Code view is useful for debugging or customizing your code, but not for measuring performance.
Comparing time stamps in Trace Debug mode. This method does not show you the execution time of your job or its components, but only the values of eachcolumn for each row processed by your job. The Trace Debug mode is useful for tracing data quality or transformation issues, but not for measuring performance. References: Talend Open Studio: Open-source ETL and Free Data Integration | Talend,
[Run view - 7.3], [Designer - 7.3], [Code view - 7.3], [Trace Debug mode - 7.3]
NEW QUESTION # 48
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. Right-click Job Designs and click import items.
- C. Navigate to @ Referenced project, @ project_ref, Job Designs, Standard, then select testJob.
- D. Right-click Job Designs, click Crete Standard Job, and enter testJob as the Job name.
Answer: C
Explanation:
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 # 49
You have a tMap component configured with a single input row1and three outputs: CA, NY, Rejects. The input row1 consists of two columns. Name and State, containing the following data:
All outputs map only the Name column from row1, but CA employs a filter expression, CA.equals(row1.state), while Ny employs a filter expression, NY. Equals(row1,State). All Rejects have no such configuration.
Under these conditions, how does data flow to the outputs?
- A. CA:Thomas Coolidge, Andrew Taylor;Ny:Calvin Adams; rejects:Thomas Coolidge, Andrew Taylor,Calvin Adams
- B. CA:Thomas Coodge;Calvin Adams; rejects:Andrew Taylor
- C. CA:Thomas Coolidge;Ny:Calvin Adams;rejects:Thomas Coolidge, adrew taylor, Calvin Adame
- D. CA:Thomas Coolidge Andrew TyalorlNY;Calvin Adams;rejects;none
Answer: B
Explanation:
Explanation
The tMap component allows you to configure multiple outputs for your data transformation and mapping. You can apply filter expressions on each output to filter out the rows that meet certain criteria. For example, if you want to send only the rows that have CA as the state value to one output, you can use CA.equals(row1.state) as the filter expression for that output. The filter expression evaluates to true or false for each row, and only the rows that evaluate to true are sent to the output. In this case, only Thomas Coolidge and Andrew Taylor have CA as their state value, so they are sent to the CA output. Similarly, only Calvin Adams has NY as his state value, so he is sent to the NY output. The Rejects output has no filter expression, so it receives all the rows from the input by default. However, since there is a conflict between the CA and NY outputs and the Rejects output, only the rows that are not sent to any other output are sent to the Rejects output. In this case, there are no such rows, so the Rejects output receives no data. References: Talend Open Studio: Open-source ETL and Free Data Integration | Talend,
NEW QUESTION # 50
You have a tMap component whose main input provides the following data:
There is also a lookup table with the following data:
An inner join is configuredbetween the State column of the main input with the State Code column of the lookup table.
What happens when the row containing the name Andrew laylor is processed?
- A. If an output is configured to collect inner join rejects, the data flows to that output as well as the main output.
- B. If an output is not configured to collect inner join rejects, an error condition is raises.
- C. If an output is configured to collect inner join rejects, the data flows only to that output.
- D. If an output is not configured to collect inner Join rejects, the data flows to the main output.
Answer: C
Explanation:
Explanation
The tMap component allows you to perform data transformations and joins between multiple input sources and output targets. You can configure different types of joins between the main input and the lookup tables, such as inner join, left outer join, right outer join, etc. An inner join returns only the matching rows from both tables based on a join condition. If a row from the main input does not match any row from the lookup table, it is considered as an inner join reject. You can configure an output to collect these rejects by setting the Catch inner join reject option to true. If you do so, the data will flow only to that output and not to the main output. If you do not configure an output to collect the rejects, the data will be ignored and no error will be raised. References: Talend Open Studio: Open-source ETL and Free Data Integration | Talend, [tMap properties - 7.3]
NEW QUESTION # 51
What determines the name of the tMap output row that delivers join rejects?
- A. The name is determined by the output table you create to catch the rejects.
- B. The name is predetermined; it is always named Innerjoin Reject.
- C. The name is determined by the input table, you create to generate the rejects.
- D. The name is configurable in the Component view of the tMapcomponent
Answer: A
Explanation:
Explanation
The tMap component allows you to configure different types of joins between the main input and the lookup tables, such as inner join, left outer join, right outer join, etc. An inner join returns only the matching rows from both tables based on a join condition. If a row from the main input does not match any row from the lookup table, it is considered as an inner join reject. You can configure an output to collect these rejects by setting the Catch inner join reject option to true. The name of the output row that delivers the join rejects is determined by the output table you create to catch the rejects. You can name the output table as you wish, such as Rejects, Errors, etc. References: Talend Open Studio: Open-source ETL and Free Data Integration | Talend,
NEW QUESTION # 52
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. File
- B. Context parameters
- C. Java Function paramters
- D. CommandLine options
Answer: B
Explanation:
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 # 53
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