FIRST-GRADE TALEND-CORE-DEVELOPER RELIABLE TEST PRICE–100% VALID VALID TALEND CORE CERTIFIED DEVELOPER EXAM VCE

First-grade Talend-Core-Developer Reliable Test Price–100% Valid Valid Talend Core Certified Developer Exam Vce

First-grade Talend-Core-Developer Reliable Test Price–100% Valid Valid Talend Core Certified Developer Exam Vce

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Talend Core Certified Developer Exam Sample Questions (Q44-Q49):

NEW QUESTION # 44
You need to create a centralized metadata connection to a database server for an application. Which steps should you take before building a Job that reads from that database? Choose 3 answers.

  • A. Add a tMap component to handle and convert Db Types.
  • B. Add a tCreateTable component to create a table in the database.
  • C. Drag the Db Connections metadata onto the Designer to read from the database component.
  • D. Retrieve the schemas from the database connection.
  • E. Create Db Connections metadata to describe the database connection.

Answer: C,D,E

Explanation:
Comprehensive and Detailed Explanation:
To establish a centralized metadata connection to a database server in Talend Studio, follow these steps before constructing a Job that reads from the database:
* Create Db Connections Metadata to Describe the Database Connection (Option C):
* In the Repository panel, right-click on "Metadata" and select "Create connection."
* Fill in the necessary details such as database type, host, port, database name, username, and password.
* Test the connection to ensure it is configured correctly.
* Save the connection metadata for reuse across multiple Jobs.
* Retrieve the Schemas from the Database Connection (Option E):
* After creating the database connection metadata, expand it to view the available schemas.
* Retrieve the required schemas by importing the table structures.
* This step ensures that the schema definitions are centralized and can be reused in different Jobs.
* Drag the Db Connections Metadata onto the Designer to Read from the Database Component (Option D):
* In the Repository, locate the previously created database connection metadata.
* Drag and drop the desired table or schema onto the Designer workspace.
* Talend Studio will automatically create the appropriate input component (e.g., tDBInput) configured with the connection and schema details.
By following these steps, you ensure a centralized and consistent approach to managing database connections and schemas, promoting reusability and reducing configuration errors.


NEW QUESTION # 45
You need to share a connection between multiple database components in a Studio Job. Which component should you use?

  • A. tDBCommit
  • B. tDBOutput
  • C. tDBRun
  • D. tDBConnection

Answer: D

Explanation:
Comprehensive and Detailed Explanation:
In Talend, when multiple components need to share the same database connection, thetDBConnection component is used.
* tDBConnection (Correct Answer - Option D):
* This component establishes a database connection that can bereused by multiple database components(such as tDBInput, tDBOutput, and tDBRow) within the same Job.
* Reduces redundant connection creation,improving performance and efficiency.
* To use it, other database components must set"Use an existing connection"in their configuration.
* Why not other options?
* tDBOutput (Option A):Used for writing data to a database but does not manage shared connections.
* tDBRun (Option B):Used to execute a subJob but does not handle database connections.
* tDBCommit (Option C):Used for committing transactions, but it requires a shared connection (which tDBConnection provides).


NEW QUESTION # 46
Which locations allow you to view a dataset in Talend Cloud Data Preparation? Choose 3 answers.

  • A. Dataset overview
  • B. Dataset sample
  • C. Data preparation overview
  • D. Dataset patterns
  • E. Dataset properties

Answer: A,B,D

Explanation:
Comprehensive and Detailed Explanation:
In Talend Cloud Data Preparation, users can view and interact with datasets through various interfaces:
* Dataset overview (Option C):
* Provides a general summary of the dataset, including metadata, quality metrics, and other pertinent information.
* Dataset patterns (Option D):
* Displays recurring patterns within the dataset, helping users understand data distributions and identify anomalies.
* Dataset sample (Option E):
* Allows users to view a sample of the dataset's records, facilitating data exploration and preparation tasks.
Why not other options?
* Option A:"Data preparation overview" is not a standard feature or terminology within Talend Cloud Data Preparation.
* Option B:"Dataset properties" typically refers to metadata and configuration settings, not the data content itself.


NEW QUESTION # 47
You built multiple Jobs in Studio, each uses its own tDBInput component to connect to a common database server, but they all use different credentials. How should you configure the tDBInput components?

  • A. Set the Property type to Repository and replace the credentials in each component.
  • B. Set the Database field to Metadata.
  • C. Set the Property type to Repository and use a common DB connection metadata.
  • D. Set the Property type to Built-in and set all the relevant properties manually.

Answer: D

Explanation:
Comprehensive and Detailed Explanation:
When multiple Jobs require connections to the same database server but with different credentials, the recommended approach is:
* Set the Property Type to Built-in and Set All the Relevant Properties Manually (Option C):
* In each tDBInput component, set the 'Property Type' to 'Built-in.'
* Manually enter the connection details, including the specific username and password required for that particular Job.
This approach ensures that each Job uses its own set of credentials, maintaining the necessary security and access controls.


NEW QUESTION # 48
You create a Job consisting of two subJobs, A and B. You added Joblet C with the intension of running it between A and B.
What are the minimum requirements to orchestrate this? (Choose Two)

  • A. Add TRIGGER_INPUT and TRIGGER_OUTPUT components into A.
  • B. Add TRIGGER_INPUT and TRIGGER_OUTPUT components into B.
  • C. Add TRIGGER_INPUT and TRIGGER_OUTPUT components into C
  • D. Link A, B and C using On Subject Ok triggers.

Answer: C,D

Explanation:
To create a job consisting of two subjobs, A and B, and add a Joblet C with the intention of running it between A and B, you need to do the following steps:
* Design subjob A by adding components and links to it in the Designer workspace.
* Add a Start component to mark the beginning of subjob B and link it to subjob A using an OnSubjobOk trigger.
* Design subjob B by adding components and links to it after the Start component in the Designer workspace.
* Add a tJobletTriggerInput component to your Joblet C design and link it to other components in your Joblet using data flows or triggers.
* Add a tJobletTriggerOutput component to your Joblet C design and link it to other components in your Joblet using data flows or triggers.
* Drag your Joblet C from the Repository tree view to the Designer workspace between subjob A and subjob B.
* Link your Joblet C to subjob A using an OnComponentOk trigger from the last component of subjob A to the tJobletTriggerInput component of your Joblet C.
* Link your Joblet C to subjob B using an OnComponentOk trigger from the tJobletTriggerOutput component of your Joblet C to the Start component of subjob B.
The minimum requirements to orchestrate this are adding TRIGGER_INPUT and TRIGGER_OUTPUT components into C and linking A, B, and C using OnSubjobOk triggers. These are generic components that allow you to define triggers for your Joblet without depending on specific components. You do not need to add TRIGGER_INPUT and TRIGGER_OUTPUT components into A or B, as these are regular subjobs that can use any type of components or triggers. References: Talend Open Studio: Open-source ETL and Free Data Integration | Talend, [tJobletTriggerInput properties - 7.3], [tJobletTriggerOutput properties - 7.3],
[Joblets - 7.3], [Triggers - 7.3]


NEW QUESTION # 49
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