Salesforce braindumps2go crt-450 Leak Questions by Libby q74 vce pdf

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Exam Name:	Salesforce Certified Platform Developer I (SU24)
Exam Code:	CRT-450 Dumps
Vendor:	Salesforce	Certification:	Developers
Questions:	174 Q&A's	Shared By:	libby

Question 24

In terms of the MVC paradigm, what are two advantages of implementing the view layer of a Salesforce application using Lightning Web Component-based

development over Visualforce?

Choose 2 answers

Options:

Self-contained and reusable units of an application

Log capturing via the Debug Logs Setup page

Rich component ecosystem

Built-in standard and custom set controllers

Discussion

Answer:

A, C

Explanation:

When comparing Lightning Web Components (LWC) with Visualforce for the View layer in the MVC paradigm, several advantages stand out.

Option A: Self-contained and reusable units of an application

Correct Advantage.

Explanation:

LWCs are built using modular components that encapsulate their own structure, style, and behavior.

Components can be reused across different parts of the application, promoting consistency and reducing development time.

This modularity allows for better maintainability and scalability.

[Reference:, Lightning Web Components Basics, Component-Based Framework, Option C: Rich component ecosystem, Correct Advantage., Explanation:, LWC leverages modern web standards and offers a rich set of base components provided by Salesforce., Developers can use pre-built components for common functionalities, speeding up development., The ecosystem is continuously expanding, with contributions from Salesforce and the community., Reference:, Base Components, Lightning Web Components Open Source, Options Not Applicable:, Option B: Log capturing via the Debug Logs Setup page, Not a View Layer Advantage., Explanation:, Debug logs are a feature of Salesforce that applies to both Visualforce and LWC., This is not an advantage specific to LWC in the context of the View layer., Option D: Built-in standard and custom set controllers, Advantage of Visualforce., Explanation:, Visualforce provides built-in standard controllers and allows for custom controllers and controller extensions., In LWC, controllers are written in JavaScript, and data access is typically done via Apex methods., This is an area where Visualforce has more built-in support., Conclusion:, The two advantages of using Lightning Web Components over Visualforce in the View layer are:, Option A: Self-contained and reusable units of an application., Option C: Rich component ecosystem., These advantages stem from LWC's modern architecture and adherence to web standards, enabling more efficient and modular development., ]

Question 25

Universal Containers decides to use purely declarative development to build out a new Salesforce application.

Which two options can be used to build out the business logic layer for this application?

Choose 2 answers

Options:

Validation Rules

Remote Actions

Record-Triggered Flow

Batch Jobs

Discussion

Question 26

While writing an Apex class, a developer wants to make sure that all functionality being developed is handled as specified by the requirements.

Which approach should the developer use to be sure that the Apex class is working according to specifications?

Options:

Create a test class to execute the business logic and run the test in the Developer Console.

Run the code in an Execute Anonymous block in the Developer Console.

Include a savepoint and Database.rollback().

Include a try/catch block to the Apex class.

Discussion

Answer:

Explanation:

To ensure that the Apex class is functioning according to the specified requirements, the developer should write a test class that executes the business logic and verifies that it behaves as expected.

Option A: Create a test class to execute the business logic and run the test in the Developer Console.

Correct Approach.

Explanation:

Writing a test class allows the developer to create unit tests that verify the functionality of the Apex class.

Test methods can assert that the class behaves as intended under various conditions, ensuring compliance with requirements.

Running the test in the Developer Console allows the developer to see the results and debug if necessary.

Benefits:

Automated Testing: Ensures repeatability and consistency in testing.

Code Coverage: Helps achieve required code coverage for deployment.

Regression Testing: Facilitates detection of future changes that might break existing functionality.

[Reference:, Testing Apex, Best Practices for Unit Testing, Option B: Run the code in an Execute Anonymous block in the Developer Console., Less Effective., Explanation:, While running code in Execute Anonymous allows for quick tests, it is not suitable for thorough testing., It doesn't provide assertions to verify that the output matches expected results., Tests run in Execute Anonymous are not saved and cannot be rerun easily for regression testing., Reference:, Anonymous Blocks, Option C: Include a savepoint and Database.rollback()., Not Sufficient., Explanation:, Using savepoints and rollbacks can help in testing DML operations without committing changes to the database., However, this doesn't ensure that the class meets the functional requirements., Reference:, Using Savepoints and Rollbacks, Option D: Include a try/catch block to the Apex class., Not Sufficient., Explanation:, Adding try/catch blocks can handle exceptions but does not verify that the class functions as specified., Exception handling is a part of robust code but doesn't replace the need for testing., Reference:, Exception Handling in Apex, Conclusion:, Writing a test class is the best way to ensure that the Apex class works according to the specifications., Test classes allow for comprehensive testing with assertions, providing confidence that the code meets the requirements., ]

Question 27

Universal Containers wants to back up all of the data and attachments in its Salesforce org once a month.

Which approach should a developer use to meet this requirement?

Options:

Schedule a report.

Define a Data Export scheduled

Use the Data Loader command line.

Create a Schedulable Apex class.

Discussion

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