DEX-450 Exam Questions and Answers | Exam-Dumps (Page: 18)

QUESTION: 86

In which order does Salesforce execute events upon saving a record?

Before Triggers; Validation Rules; After Triggers; Assignment Rules; Workflow Rules; Commit
Validation Rules; Before Triggers; After Triggers; Workflow Rules; Assignment Rules; Commit
Before Triggers; Validation Rules; After Triggers; Workflow Rules; Assignment Rules; Commit
Validation Rules; Before Triggers; After Triggers; Assignment Rules; Workflow Rules; Commit

Answer(s): A

QUESTION: 87

A developer creates an Apex class that includes private methods. What can the developer do to ensure that the private methods can be accessed by the test class?

Add the TestVisible attribute to the Apex class
Add the SeeAllData attribute to the test methods.
Add the TestVisible attribute to the apex methods.
Add the SeeAllData attribute to the test class

Answer(s): C

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QUESTION: 88

Which statement about change set deployments is accurate? (Choose 3)

They use an all or none deployment model.
They require a deployment connection.
They ca be used to transfer Contact records.
They can be used to deploy custom settings data.
They can be used only between related organizations.

Answer(s): A,B,E

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QUESTION: 89

A developer needs to provide a Visualforce page that lets users enter Product-specific details during a Sales cycle. How can this be accomplished? (Choose 2)

Download a Managed Package from the AppExhange that provides a custom Visualforce page to modify.
Copy the standard page and then make a new Visualforce page for Product data entry.
Download an Unmanaged Package from the AppExchange that provides a custom Visualforce page to modify.
Create a new Visualforce page and an Apex controller to provide Product data entry.

Answer(s): C,D

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QUESTION: 90

A Visualforce page has a standard controller for an object that has a lookup relationship to a parent object. How can a developer display data from the parent record on the page?

By adding a second standard controller to the page for the parent record.
By using a roll-up formula field on the child record to include data from the parent record.
By using SOQL on the Visualforce page to query for data from the parent record.
By using merge field syntax to retrieve data from the parent record.

Answer(s): D

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Salesforce DEX-450 Exam (page: 18) Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Updated on: 15-Feb-2026

QUESTION: 86

QUESTION: 87

QUESTION: 88

QUESTION: 89

QUESTION: 90

Salesforce DEX-450 Exam (page: 18)
Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience
Updated on: 15-Feb-2026