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  1. Home
  2. Salesforce Certification
  3. CRT-450 Exam
  4. Salesforce.CRT-450.v2024-08-05.q151 Dumps
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Question 121

What should a developer do to check the code coverage of a class after running all tests?

Correct Answer: B
insert code

Question 122

A developer has a single custom controller class that works with a Visualforce Wizard to support creating and editing multiple subjects. The wizard accepts data from user inputs across multiple Visualforce pages and from a parameter on the initial URL.
Which three statements are useful inside the unit test to effectively test the custom controller?
Choose 3 answers

Correct Answer: B,D,E
To effectively test a custom controller that works with a Visualforce wizard, the unit test should do the following:
* Set the current page to the first page of the wizard using Test.setCurrentPage(pageRef), where pageRef is a PageReference object that points to the page URL. This allows the test to access the page parameters and controller methods for that page1.
* Set the page parameter that the wizard expects using
ApexPages.CurrentPage().getParameters().put('input', 'TestValue'), where 'input' is the name of the parameter and 'TestValue' is the value to be passed. This allows the test to simulate the user input or the initial URL parameter that the wizard uses1.
* Verify the navigation logic of the wizard by checking the URL of the next page after invoking the controller action using String nextPage = controller.save().getUrl(), where controller is an instance of the custom controller class and save() is the action method that returns a PageReference object. This allows the test to assert that the wizard redirects to the correct page based on the input and logic2.
The other options are not useful for testing the custom controller. Option A is incorrect because insert pageRef is not a valid Apex statement. Option C is incorrect because public ExtendedController(ApexPages StandardController cntrl) { } is a constructor for a controller extension, not a custom controller3. References:
* Testing Custom Controllers and Controller Extensions | Visualforce Developer Guide | Salesforce Developers
* Testing Navigation Logic | Visualforce Developer Guide | Salesforce Developers
* Build a Controller Extension | Visualforce Developer Guide | Salesforce Developers
insert code

Question 123

A developer at Universal Containers is taked with implementing a new Salesforce application that bwill be maintained completely by their company's Salesforce admiknistrator.
Which two options should be considered for buildig out the business logic layerof the application?
Chosse 2 answer

Correct Answer: A,B
Validation rules and record-triggered flows are two declarative options for building out the business logic layer of a Salesforce application. Validation rules allow the developer to define criteria and error messages to prevent invalid data from being saved1. Record-triggered flows allow the developer to automate actions based on changes in records, such as creating, updating, or deleting related records2. Both of these options can be configured and maintained by a Salesforce administrator without writing code. References:
* Validation Rules, Trailhead module
* Record-Triggered Automation, Trailhead module
insert code

Question 124

A developer needs to create a custom Interface in Apex.
Which three considerations must the developer keep in mind while developing the Apex Interface?
Choose 3 answers

Correct Answer: A,C,E
insert code

Question 125

In a single record, a user selects multiple values from a multi-select picklist. How are the selected values represented in Apex?

Correct Answer: C
insert code
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