Achieve the DEX-450 Exam Best Results with Help from Salesforce Certified Experts [Q120-Q138]

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Achieve the DEX-450 Exam Best Results with Help from Salesforce Certified Experts

Provide DEX-450 Practice Test Engine for Preparation

QUESTION 120
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?

 
 
 
 

QUESTION 121
While developing an Apex class with custom search functionality that will be launched from a Lightning Web Component, how can the developer ensure only records accessible to the currently logged in user are displayed?

 
 
 
 

QUESTION 122
A Licensed_Professional__c custom object exist in the system with two Master-Detail fields for the following objects: Certification__c and Contact. Users with the “Certification Representative” role can access the Certification records they own and view the related Licensed Professionals records, however users with the “Salesforce representative” role report they cannot view any Licensed professional records even though they own the associated Contact record. What are two likely causes of users in the “Sales Representative” role not being able to access the Licensed Professional records? Choose 2 answers

 
 
 
 

QUESTION 123
A credit card company needs to Implement the functionality for a service agent to process damaged credit cards. When the customers call In, the service agent must gather many pieces of information Is tasked to Implement this functionality.
What should the developer use to satisfy this requirement In the most efficient manner?

 
 
 
 

QUESTION 124
A developer runs the following anonymous code block in a Salesforce org with 100 accounts List acc= {select id from account limit 10}; delete acc; database.emptyrecyclebin(acc); system.debug(limits.getlimitqueries()+’ ,’+Limits.getlimitDMLStatements()); What is the debug output?

 
 
 
 

QUESTION 125
Which Lightning Web Component custom event property settings enable the event to bubble up the containment hierarchy and cross the Shadow DOM boundary?

 
 
 
 

QUESTION 126
A developer must troubleshoot to pinpoint the causes of performance issues when a custom page loads in their org.
Which tool should the developer use to troubleshoot query performance?

 
 
 
 

QUESTION 127
A developer creates a new Apex trigger with a helper class, and writes a test class that only exercises 95% coverage of new Apex helper class. Change Set deployment to production fails with the test coverage warning: “Test coverage of selected Apex Trigger is 0%, at least 1% test coverage is required” What should the developer do to successfully deploy the new Apex trigger and helper class?

 
 
 
 

QUESTION 128
A developer creates a Lightning web component that imports a method within an Apex class. When a Validate button is pressed, the method runs to execute complex validations.
In this implementation scenario, which two options are part of the Controller according to the MVC architecture?
Choose 2 answers

 
 
 
 

QUESTION 129
What should a developer use to obtain the Id and Name of all the Leads, Accounts, and Contacts that have the company name “Universal Containers?

 
 
 
 

QUESTION 130
A developer has the following query: Contact c = [SELECT id, firstname, lastname, email FROM Contact WHERE lastname = ‘Smith’]; What does the query return if there is no Contact with the last name ‘Smith’?

 
 
 
 

QUESTION 131
What can be used to override the Account’s standard Edit button for Lightning Experience?

 
 
 
 

QUESTION 132
Consider the following code snippet for a Visualforce page that is launched using a Custom Button on the Account detail page layout.

When the Save button is pressed the developer must perform a complex validation that involves multiple objects and, upon success, redirect the user to another Visualforce page.
What can the developer use to meet this business requirement?

 
 
 
 

QUESTION 133
Which approach should a developer take to automatically add a “Maintenance Plan” to each Opportunity that includes an “Annual Subscription” when an opportunity is closed?

 
 
 
 

QUESTION 134
What are two benefits of the Lightning Component framework? (Choose two.)

 
 
 
 

QUESTION 135
A developer needs to write a method that searches for a phone number that could be on multiple object types. Which method should the developer use to accomplish this task?

 
 
 
 

QUESTION 136
A developer created a Visualforce page and custom controller to display the account type field as shown below. Custom controller code: public class customCtrlr{ private Account theAccount; public String actType; public customCtrlr() { theAccount = [SELECT Id, Type FROM Account WHERE Id = :apexPages.currentPage().getParameters().get(‘id’)]; actType = theAccount.Type; } } Visualforce page snippet: The Account Type is {!actType} The value of the account type field is not being displayed correctly on the page. Assuming the custom controller is property referenced on the Visualforce page, what should the developer do to correct the problem?

 
 
 
 

QUESTION 137
Which code statement includes an Apex method named updateaccounts in the class accountcontreoller for use in a Lightning web component?

 
 
 
 

QUESTION 138
How can a developer avoid exceeding governor limits when using Apex Triggers? (Choose 2)

 
 
 
 

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.

 

Detailed New DEX-450 Exam Questions for Concept Clearance: https://www.vcedumps.com/DEX-450-examcollection.html

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