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Latest Salesforce DEX-450 Exam Questions and Answers, 2025 Update | SPOTO

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Question #1
Which data structure is returned to a developer when performing a SOSL search?
A. A list of lists of sObjects
B. A map of sObject types to a list of sObjects
C. A map of sObject types to a list oflists of sobjects
D. A list of sObjects
View answer
Correct Answer: A
Question #2
What are two considerations for custom Apex Exception classes? Choose 2 answers.
A. Custom Exceptions cannot be extended by other Exception classes
B. Custom Exception class names must end with the word 'Exception'
C. Custom Exception classes must extend the base Exception class
D. Constructor for custom Exceptions can only accept string values as arguments
View answer
Correct Answer: BC
Question #3
What are the supported content sources for custom buttons and links? (Choose 2 Answers)
A. VisualForce Page
B. Static Resource
C. URL
D. Chatter File
E. Lightning Page
View answer
Correct Answer: AC
Question #4
A developer completed modifications feature that is comprised of two elements: * Apex trigger * Trigger handler Apex class What are two factors that the developer must take into account to properly deploy them to the production environment? Choose 2 answers
A. Apex classes must have at least 75% code coverage org-wide
B. All methods in the test classes must use @istest
C. At least one line of code must be executed for the Apex trigger
D. Test methods must be declared with the testMethod keyword
View answer
Correct Answer: AB
Question #5
A developer declared a class as follow. public class wysiwyg { // Properties and methods including DML }Which invocation of a class method will obey the organization-wide defaults and sharing settings for therunning user in the Salesforce Organization?
A. An Apex Trigger that invokes a helper method in this class
B. A Visualforce page with an Apex controller that invokes a method in this class
C. A user on an external system that has an API call into Salesforce that invokes a method in this class
D. A developer using the Developer Console that invokes a method in this class from the execute anonymous window
View answer
Correct Answer: D
Question #6
Which two platform features allow for the use of unsupported languages? Choose 2 answers
A. Heroku Acm
B. App
C. Buildpacks
D. Docker
View answer
Correct Answer: CD
Question #7
What is a benefit of the Lightning Component framework?Choose 3 answers
A. It uses client-side Apex controllers for logic
B. It uses a traditional publish-subscribe model
C. It uses an event-driven architecture
D. It uses an MVC architectural design pattern
E. It uses server-side JavaScript controller for logic
View answer
Correct Answer: BCD
Question #8
A developer has a Apex controller for a Visualforce page that takes an ID as a URL parameter. How should the developer prevent a cross site scripting vulnerability?
A. ApexPages
B. ApexPages
C. String
D. String
View answer
Correct Answer: B
Question #9
How can a developer avoid exceeding governor limits when using Apex Triggers? (Choose 2)
A. By using a helper class that can be invoked from multiple triggers
B. By using Maps to hold data from query results
C. By using the Database class to handle DML transactions
D. By performing DML transactions on a list of sObjects
View answer
Correct Answer: BD
Question #10
What is a correct pattern to follow when programming in Apex on a Multi-tenant platform?
A. Apex code is created in a separate environment from schema to reduce deployment errors
B. DML is performed on one record at a time to avoid possible data concurrency issues
C. Queries select the fewest fields and records possible to avoid exceeding governor limits
D. Apex classes use the ''with sharing" keyword to prevent access from other server tenants
View answer
Correct Answer: C
Question #11
A developer is creating a test coverage for a class and needs to insert records to validate functionality. Which method annotation should be used to create records for every method in the test class?
A. @BeforeTest
B. @isTest(SeeAllData=True)
C. @TestSetup
D. @PreTest
View answer
Correct Answer: C
Question #12
A developer must create a DrawList class that provides capabilities defined in the Sortable and Drawable interfaces. public interface Sortable { void sort(); } public interface Drawable { void draw(); }Which is the correct implementation?
A. Public class DrawList implements Sortable, Implements Drawable { public void sort() { / *implementation*/} public void draw() { /*implementation*/} ]
B. Public class DrawList extends Sortable, Drawable { public void sort() { /*implementation*/} public void draw() { /*implementation*/} }
C. Public class DrawList implements Sortable, Drawable { public void sort() { /*implementation*/} public void draw() { /*implementation*/} }
D. Public class DrawList extends Sortable, extends Sortable, extends Drawable { public void sort() { / *implementation*/ } public void draw() { /* implementation */}
View answer
Correct Answer: C
Question #13
What are two considerations for deploying from a sandbox to production? Choose 2 answers
A. Should deploy during business hours to ensure feedback can be quickly addressed
B. All triggers must have at least one line of test coverage
C. least 75% of Apex code must be covered by unit tests
D. Unit tests must have calls to the System
View answer
Correct Answer: ABC
Question #14
Which process automation should be used to send an outbound message without using Apex code?
A. Workflow Rule
B. Process Builder
C. Approval Process
D. Flow Builder
View answer
Correct Answer: A
Question #15
The following Apex method is part of the ContactService class that is called from a trigger:How should the developer modify the code to ensure best practices are met?A)C)D)
A. Option A
B. Option B
C. Option C
D. Option D
View answer
Correct Answer: A
Question #16
What is the order of operations when a record is saved in Salesforce?
A. Process flows, triggers, workflow, commit
B. Workflow, process flows, triggers, commit
C. Workflow, triggers, process flows, commit
D. Triggers, workflow, process flows, commit
View answer
Correct Answer: D
Question #17
A developer wants multiple test classes to use the same set of test data. How should the developer create the test data?
A. Define a variable for test records in each test classes
B. Create a test setup method for each test class
C. Use the seealldata=true annotation in each test class
D. Reference a test utility class in each test class
View answer
Correct Answer: C
Question #18
A lead developer creates an Apex interface called Laptop. Consider the following code snippet: How can a developer use the Laptop Interface within the silverzaptop class?
A. public class Silverlaptop extends Lapctop
B. public class Silverlaprop implementa Laptopcorrect
C. Extends (class="Laptop”) publiic claas Silverlaptcp
D. Interface (class="Laptop") public class Silverlaptop
View answer
Correct Answer: B
Question #19
Universal Containers is building a recruiting app with an Applicant object that stores information about an individual person and a Job object that represents a job. Each applicant may apply for more than one job. What should a developer implement to represent that an applicant has applied for a job?
A. Master-detail field from Applicant to Job
B. Junction object between Applicant and Jobcorrect
C. Formula field on Applicant that references Job
D. Lookup field from Applicant to Job
View answer
Correct Answer: B
Question #20
Which two components are available to deploy using the METADATA API? Choose 2 answers
A. Web-to-Case
B. Lead Conversion Settings
C. Case Settings
D. Web-to-Lead
View answer
Correct Answer: BC
Question #21
What is the value of the Trigger.old context variable in a before insert trigger?
A. list of newly created sObjects without IDs
B. Undefined
C. nullcorrect
D. An empty list of sObjects
View answer
Correct Answer: C
Question #22
What is the maximum number of SOQL queries used by the following code? ListaList = [SELECT Id FROM Account LIMIT 5]; for (Account a : aList){ ListcList = [SELECT Id FROM Contact WHERE AccountId = :a.Id); }
A. 5
B. 6
C. 1
D. 2
View answer
Correct Answer: B
Question #23
How are debug levels adjusted In the Developer Console?
A. Under the Settings menu > Trace Settings
B. Under the Edit menu, dick Change DebugLevels
C. Under the Logs tab, click Change in the DebugLevels panel
D. Under the Debug menu > Change Log Levels
View answer
Correct Answer: D
Question #24
How many accounts will be inserted by the following block ofcode? for(Integer i = 0 ; i < 500; i++) { Account a = new Account(Name='New Account ' + i); insert a; }
A. 150
B. 0
C. 500
D. 100
View answer
Correct Answer: B
Question #25
What is the result when a Visualforce page calls an Apex controller, which calls another Apex class, which then results in hitting a governor limit?
A. Any changes up to the error are saved
B. Any changes up to the error are rolled back
C. All changes before a savepoint are saved
D. All changes are saved in the first Apex class
View answer
Correct Answer: B
Question #26
Which two are best practices when it comes to component and application event handling? Choose 2 answers
A. Handle low-level events in the event handler and re-fire them as higher-level events
B. Try to use application events as opposed to component events
C. Use component events to communicate actions that should be handled at the application level
D. Reuse the event logic in a component bundle, by putting the logic in the helper
View answer
Correct Answer: AD
Question #27
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?
A. Lightning Web Componentscorrect
B. Visualforce
C. Flow
D. VUE JavaScript framework
View answer
Correct Answer: A
Question #28
Which declarative method helps ensure quality data? (Choose 3)
A. Validation Rules
B. Workflow alerts
C. Exception Handling
D. Lookup Filters
E. Page Layouts
View answer
Correct Answer: ADE
Question #29
Universal Containers has a support process that allows users to request support from its engineering team using a custom object, Engineering_Support__ c. Users should be able to associate multiple Engineering_ support___c records to a single Opportunity record. Additionally, aggregate information about the Engineering Support__ c records should be shown on the Opportunity record. Which relationship field should be implemented to support these requirements?
A. Lookup field from Opportunity to Engineering_Support__c
B. Master-detail field from Engine=ring Support__c to Opportunitycorrect
C. Master-detail field from Opportunity to Engineering_Supports__c
D. Lookup field from Engineering Support__c to Opportunity
View answer
Correct Answer: B
Question #30
A developer deployed a trigger to update the status__c of Assets related to an Account when the Account’s status changes and a nightly integration that updates Accounts in bulk has started to fail with limit failures. What should the developer change about the code to address the failure while still having the code update all of the Assets correctly?
A. Move all of the logic to a Queveable class that queries for and updates the Assets and call it fromthe trigger
B. Add List assets = [SELECT id, Status_￠ FROM WHERE AccountId = : acctId] to line 14 and iterate over the assets list in the for loop on line 15
C. Add a LIMIT clause to the SOQL query on line 16 to limit the number of Assets queried for an Account
D. Change the getAssetsToUpdate method to process all Accounts in one call and call it outside of the for loop that starts on line 03
View answer
Correct Answer: D

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