Latest DEX-450 Dumps Sheet, DEX-450 Valid Test Prep

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Salesforce DEX-450 QUESTIONS: A TERRIFIC EXAM PREPARATION SOURCE [2025]

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Salesforce DEX-450 certification exam consists of 60 multiple-choice questions, which are designed to test the developer's understanding of Apex programming language, Visualforce framework, and Lightning components. DEX-450 exam is timed, and candidates are given 105 minutes to complete it. The passing score for DEX-450 exam is 65%, and the exam fee is $200.

Salesforce DEX-450 is an exam that focuses on programmatic development using Apex and Visualforce in Lightning Experience. DEX-450 Exam is designed for developers who have experience in developing custom applications on the Salesforce platform. DEX-450 exam tests the candidate's knowledge of Apex programming language, Visualforce markup language, and Lightning Component Framework. DEX-450 exam is a great way for developers to showcase their skills and validate their expertise in developing custom applications on the Salesforce platform.

Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Sample Questions (Q181-Q186):

NEW QUESTION # 181
Assuming that name is a String obtained by an tag on a Visualforce page, which two SOQL queries performed are safe from SOQL injection? Choose 2 answers

Answer: A,B

NEW QUESTION # 182
A developer wants to display all of the available record types for a Case object. The developer also wants to display the picklist values for the Case.Status field. The Case object and the Case.Status field are on a custom Visualforce page. Which action can the developer perform to get the record types and picklist values in the controller? (Choose 2)

A. Use SOQL to query case records in the org to get all values for the Status picklist field.
B. Use SOQL to query Case records in the org to get all the RecordType values available for Case.
C. Use Schema.RecordTypeInfo returned by Case.sObjectType.getDescribe().getRecordTypeInfos().
D. Use Schema.PicklistEntry returned by Case.Status.getDescribe().getPicklistValues().

Answer: C,D

NEW QUESTION # 183
A developer needs to implement a custom SOAP Web Service that is used by an external Web Application. The developer chooses to include helper methods that are not used by the Web Application in the implementation of the Web Service Class.
Which code segment shows the correct declaration of the class and methods?

Answer: D

NEW QUESTION # 184
A platform developer at Universal Containers needs to create a custom button for the Account object that, when clicked, will perform a series of calculations and redirect the user to a custom Visualforce page.
Which three attributes need to be defined with values in the <apex:page> tag to accomplish this? (Choose three.)

A. extensions
B. renderAs
C. standardController
D. readOnly
E. action

Answer: B,C,E

NEW QUESTION # 185
What can be used to override the Account's standard Edit button for Lightning Experience?

A. Lightning page
B. Lightning component
C. Lightning flow
D. Lightning action

Answer: B

Explanation:
To override the Account's standard Edit button in Lightning Experience:
Option A: Lightning component
Implementation:
The Lightning component must implement lightning:actionOverride interface.
<aura:component implements="lightning:actionOverride, force:hasRecordId" access="global">

</aura:component>
Reference:
"To override standard actions, create a Lightning component that implements the lightning:actionOverride interface."
- Lightning Aura Components Developer Guide: Override Standard Actions
* Why Other Options Are Incorrect:
Option B: Lightning actions are used for quick actions, not for overriding standard buttons.
Option C: Lightning Flow cannot directly override standard buttons.
Option D: Lightning pages are layouts and cannot override buttons.

NEW QUESTION # 186
......

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LATEST DEX-450 DUMPS SHEET, DEX-450 VALID TEST PREP

Latest DEX-450 Dumps Sheet, DEX-450 Valid Test Prep