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Here are sample Salesforce Build Applications Programmatically on the Salesforce Platform (DEX-450) Exam questions from real exam. You can get more Salesforce Platform Developer I (DEX-450) Exam premium practice questions at TestInsights.
Question 1
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
Correct : C, D
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Question 2
Which statement should be used to allow some of the records in a list of records to be inserted if others fail to be inserted?
Correct : A
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Question 3
A developer is asked to write helper methods that create test data for unit tests.
What should be changed in the Testvtils class so that its methods are only usable by unit test methods?
Correct : B
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Question 4
Which code in a Visualforce page and/or controller might present a security vulnerability?
Correct : B
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Question 5
Universal Containers needs to create a custom user interface component that allows users to enter information about their accounts.
The component should be able to validate the user input before saving the information to the database.
What is the best technology to create this component?
Correct : B
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