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2025 DEX-450: Programmatic Development using Apex and Visualforce in Lightning Experience Authoritative Relevant Questions

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Salesforce DEX-450 is a certification exam that focuses on programmatic development using Apex and Visualforce in Lightning Experience. Programmatic Development using Apex and Visualforce in Lightning Experience certification is designed for professionals who have experience in developing custom business logic and interfaces on the Salesforce platform. DEX-450 Exam measures the candidate's knowledge in developing custom applications using Apex, Visualforce, and Lightning components, as well as their understanding of the Salesforce platform's programming concepts and best practices.

>> Relevant DEX-450 Questions <<

100% Pass Quiz Salesforce - DEX-450 –Reliable Relevant Questions

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Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Sample Questions (Q100-Q105):

NEW QUESTION # 100
code below deserializes input into a list of Accounts.

Which code modification should be made to insert the Accounts so that field-level security is respected?

A. 05: If (SobjectType.Account, isCreatable())
B. 05: Accts = database.stripinaccesible (accts, Database. CREATEABLE);
C. 01: Public with sharing class AcctCreator
D. 05: SobjectAcessDecision sd= Security,stripINaccessible(AccessType,CREATABLE,

Answer: C

NEW QUESTION # 101
Which two are true regarding a Dyno? Choose 2 answers

A. Is a light weight VM used to run code on the Heroku Platform
B. Has Ephemeral filesystems and is rebooted every 24 hours.
C. Has the ability to sleep as a standard and performance Dyno
D. Is a lightweight Linux container used in a collection to run Heroku applications

Answer: B,D

NEW QUESTION # 102
What is a considerations for running a flow in debug mode?

A. DML operations will be rolled back when the debugging ends.
B. Callouts to external are not when debugging a flow.
C. When debugging a schedule-triggered flow, the flow starts only for one record.
D. Clicking Pause allows an element to be replaced in the flow.

Answer: B

NEW QUESTION # 103
What does the Lightning Component framework provide to developers?

A. Templates to create custom components
B. Support for Classic and Lightning Uls
C. Extended governor limits for applications
D. Prebuilt components that can be reused

Answer: D

Explanation:
The Lightning Component framework provides:
Option A: Prebuilt components that can be reused
The framework includes a library of base components that developers can use to build custom components and applications.
These components can be reused and combined to create complex UIs.
Reference:
"The Lightning Component framework provides a set of prebuilt components that you can use to build your own components and applications."
- Lightning Components Developer Guide
Why Other Options Are Incorrect:
Option B:
The Lightning Component framework is primarily for Lightning Experience and Salesforce mobile app, not for Classic UI.
Option C:
It does not provide extended governor limits; governor limits remain the same.
Option D:
While you can create custom components, the framework does not provide templates in the way described.

NEW QUESTION # 104
A Salesforce administrator used Flow Builder to create a flow named "accountOnboarding". The flow must be used inside an Aura component.
Which tag should a developer use to display the flow in the component?

A. aura-flow
B. lightning:flow
C. lightning-flow
D. aura:flow

Answer: B

Explanation:
To embed a Flow into an Aura component, you use the lightning:flow component.
Option A: lightning
Correct Answer.
The lightning:flow component allows you to embed a Flow in an Aura component.
Example Usage:
<aura:component>
<lightning:flow aura:id="flowData" />
</aura:component>
Reference:
Aura Component
Options Not Applicable:
Option B: aura-flow
Invalid Component.
Option C: aura
Invalid Component.
Option D: lightning-flow
Invalid Component Name in Aura.
Conclusion:
To display the Flow in an Aura component, the developer should use the lightning:flow tag, which is Option A.

NEW QUESTION # 105
......

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