Updated Aug-2024 100% Cover Real DEX-450 Exam Questions Make Sure You 100% Pass [Q57-Q72]

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Updated Aug-2024 100% Cover Real DEX-450 Exam Questions Make Sure You 100% Pass

DEX-450 dumps Accurate Questions and Answers with Free and Fast Updates

The DEX-450 exam covers various topics such as Apex programming concepts, Visualforce markup language, Lightning components, debugging and testing, and deployment. DEX-450 exam consists of 60 multiple-choice questions, and candidates are given 105 minutes to complete it. It is important to note that the DEX-450 exam is one of the prerequisites for the Salesforce Certified Platform Developer II certification. Programmatic Development using Apex and Visualforce in Lightning Experience certification is highly valued in the industry, as it is a testament to the candidate’s ability to design and develop complex applications on the Salesforce platform.

The DEX-450 certification exam is a valuable credential for Salesforce developers who want to showcase their expertise in programmatic development on the platform. It is a challenging exam that requires a deep understanding of Apex and Visualforce, as well as the ability to apply that knowledge to real-world scenarios. By earning this certification, developers can demonstrate their ability to create custom applications that meet the unique needs of their organization, making them a valuable asset to any team.

NEW QUESTION 57
Uniersal Containers (UC) is developing a process for their sales teams that requires all sales reps to go through a set of scripted steps with each new customer they create.
In the first steps of collecting information, UC’s ERP system must be checked via as a REST endpoint to see if the customerexists. If the customer exists, the data must be presented to the sales rep in Salesforce.
Which two should a developer implement to satisfy the requirements?
Choose2 answer

Flow

Future method

Trigger

Invocable method

NEW QUESTION 58
A developer wants to retrieve the Contacts and Users with the email address ‘[email protected]’.
Which SOSL statement should the developer use?

FIND {[email protected]} IN Email Fields RETURNING Contact (Email), User (Email)

FIND {Email = ‘[email protected]’} IN Contact, User

FIND {Email = ‘[email protected]’} RETURNING Contact (Email), User (Email)

FIND Email IN Contact, User FOR {dev2uc.com}

NEW QUESTION 59
An Apex method, getAccounts, that returns a List of Accounts given a searchTerm, is available for Lightning Web components to use.
What is the correct definition of a Lightning Web component property that uses the getAccounts method?

Option A

Option B

Option C

Option D

NEW QUESTION 60
Which tag should a developer include when styling from external CSS is required in a Visualforce page?

Apex : includeStyle

Apex : require

Apex : includeScript

Apex : stylesheet

NEW QUESTION 61
Which Lightning code segment should be written to declare dependencies on a Lightning component, c:accountList, that is used in a Visualforce page?
A)

B)

C)

D)

Option A

Option B

Option C

Option D

NEW QUESTION 62
How should a developer prevent a recursive trigger?

Use a “one trigger per object” pattern.

Use a static Boolean variable.

Use a trigger handler.

Use a private Boolean variable.

NEW QUESTION 63
A developer has the following requirements:
Calculate the total amount on an Order.
Calculate the line amount for each Line Item based on quantity selected and price.
Move Line Items to a different Order if a Line Item is not stock.
Which relationship implementation supports these requirements?

Line Items has a Master-Detail field to Order and the Master can be re-parented.

Line Item has a Lookup field to Order and there can be many Line Items per Order

Order has a Lookup field to Line Item and there can be many Line Items per Order.

Order has a Master-Detail field to Line Item and there can be many Line Items per Order.

NEW QUESTION 64
The Account object has a custom formula field,Level__c, that is defined as a Formula(Number) with two decimal places. Which three are valid assignments? Choose 3.

Long myLevel = acct.Level__c;

Object myLevel = acct.Level__c;

Double myLevel = acct.Level__c;

Decimal myLevel = acct.Level__c;

Integer myLevel = acct.Level__c;

NEW QUESTION 65
What is a capability of the Developer Console?

Execute Anonymous Apex code, Create/Edit code, view Debug Logs.

Execute Anonymous Apex code, Run REST API, create/Edit code.

Execute Anonymous Apex code, Create/Edit code, Deploy code changes.

Execute Anonymous Apex code, Run REST API, deploy code changes.

NEW QUESTION 66
A developer created a Lightning component to display a short text summary for an object and wants to use it with multiple Apex classes.
How should the developer design the Apex classes?

Have each class define method getObject() that returns the sObject that is controlled by the Apex class.

Extend each class from the same base class that has a method getTextSummary() that returns the summary.

Have each class implement an interface that defines method getTextSummary() that returns the summary.

Have each class define method getTextSummary() that returns the summary.

NEW QUESTION 67
An Approval Process is defined in the Expense_Item__c. A business rule dictates that whenever a user changes the Status to ‘Submitted’ on an Expense_Report__c record, all the Expense_Item__c records related to the expense report must enter the approval process individually. Which approach should be used to ensure the business requirement is met?

Create a Process Builder on Expense_Report__c with a ‘Submit for Approval’ action type to submit all related Expense_Item__c records when the criteria is met.

Create two Process Builder, one on Expense_Report__c to mark the related Expense_Item__c as submittable and the second on Expense_Item__c to submit the records for approval.

Create a Process Builder on Expense_Report__c to mark the related Expense_Item__c as submittable and trigger on Expense_item__c to submit the records for approval.

Create a Process Builder on Expense_Report__c with an ‘Apex’ action type to submit all related Expense_Item__c records when the criteria is met.

NEW QUESTION 68
A developer must write an Apex method that will be called from a Lightning component. The method may delete an Account stored in the accountRec variable.
Which method should a developer use to ensure only users that should be able to delete Accounts can successfully perform deletions?

Schema.sObjectType.Account.isDeletable()

Account.isDeletable()

accountRec.isDeletable()

accountRec.sObjectType.isDeletable()

NEW QUESTION 69
A developer created a Visualforce page and a custom controller with methods to handle different buttons and events that can occur on the page.
What should the developer do to deploy to production?

Create a test class that provides coverage of the Visualforce page.

Create a test page that provides coverage of the Visualforce page.

Create a test page that provides coverage of the custom controller.

Create a test class that provides coverage of the custom controller.

NEW QUESTION 70
Account acct = {SELECT Id from Account limit 1}; Given the code above, how can a developer get the type of object from acct?

Call “acct.getsObjectType()”

Call “Account.getSobjectType()”

Call “Account.SobjectType”

Call “acct.SobjectType”

NEW QUESTION 71
What should a developer use to implement an automate approval process submission for case?

Process builder.

An assignment rules.

A workflow rules.

Scheduled apex.

NEW QUESTION 72
A developer created these three Rollup Summary fields in the custom object, Project_ct,

The developer is asked to create a new field that shows the ratio between rejected and approved timesheets for a given project.
Which should the developer use to Implement the business requirement in order to minimize maintenance overhead?