[Aug 10, 2024] DEX-450 PDF Recently Updated Questions Dumps to Improve Exam Score
DEX-450 Dumps Full Questions with Free PDF Questions to Pass
Salesforce platform is constantly evolving, and new features and functionalities are added regularly. The Salesforce DEX-450 exam is updated regularly to ensure that it remains relevant and up-to-date with the latest developments on the platform. Developers who hold this certification are required to maintain their knowledge and skills to stay current with the latest trends and best practices on the Salesforce platform.
NEW QUESTION # 70
A developer is building custom search functionality that uses SOSL to search account and contact records that match search terms provided by the end user. The feature is exposed through a Lightning web component, and the end user is able to provide a list of terms to search.
Consider the following code snippet:
What is the maximum number of search terms the end user can provide to successfully execute the search without exceeding a governor limit?
- A. 0
- B. 2,000
- C. 1
- D. 2
Answer: B
NEW QUESTION # 71
A developer wants to use all of the functionality provided by the standard controller for an object, but needs to override the Save standard action in a controller extension. Which two are required in the controller extension class?
- A. Create a method named Save with a return data type of PageReference.
- B. Define the class with a constructor that takes an instance of StandardController as a parameter.
- C. Create a method that references this.superSave()
- D. Define the class with a constructor that creates a new instance of the StandardController class.
Answer: A,B
NEW QUESTION # 72
Which Lightning Web Component custom event property settings enable the event to bubble up the containment hierarchy and cross the Shadow DOM boundary?
- A. bubbles: tnje, composed: false
- B. bubbles: false, composed: true
- C. bubbles: false, composed: false
- D. bubbles: true, composed: true
Answer: D
NEW QUESTION # 73
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. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 74
Which two number expression evaluate correctly? Choose 2 answers
- A. Double D =3.14159;
- B. Integer I = 3.14159;
- C. Decimal D = 3.14159;
- D. Long I = 3.14159;
Answer: A,C
NEW QUESTION # 75
What are two correct examples of the model in the salesforce MVC architecture? Choose 2 answers.
- A. Standard lightning component
- B. Standard account lookup on the contract object
- C. Custom field on the custom wizard_c object
- D. Workflow rule on the contact object
Answer: A,D
NEW QUESTION # 76
A developer is asked to create a Visualforce page that displays some Account fields as well as fields configured on the page layout for related Contacts.
How should the developer implement this request?
- A. Add a method to the standard controller.
- B. Use the <apex:include> tag.
- C. Create a controller extension.
- D. Use the <apex:relatedList> tag.
Answer: D
NEW QUESTION # 77
Universal Containers has implemented an order management application. Each Order can have one or more Order Line items. The Order Line object is related to the Order via a master-detail relationship. For each Order Line item, the total price is calculated by multiplying the Order Line item price with the quantity ordered.
What is the best practice to get the sum of all Order Line item totals on the Order record?
- A. Roll-up summary field
- B. Apex trigger
- C. Formula field
- D. Quick action
Answer: A
NEW QUESTION # 78
Which code in a Visualforce page and/or controller might present a security vulnerability?
- A. <apex:outputField value="{!ctrl.userInput}" />
- B. <apex:outputText value="{!£CurrentPage.parameters.userInput}" />
- C. <apex:outputText escape="false" value=" {!$CurrentPage.parameters.userInput}" />
- D. <apex:outputField escape="false" value="{!ctrl.userInput}" />
Answer: C
NEW QUESTION # 79
Which two queries can a developer use in a Visualforce controller to protect against SOQL injection vulnerabilities? Choose 2 answers
- A. String qryName = % + name % ;
String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ;
List queryResults = Database.query(qryString); - B. String qryName = % + String.enforceSecurityChecks(name)+ % ;
String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ;
List queryResults = Database.query(qryString); - C. String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ; List queryResults = Database.query(qryString);
- D. String qryName = % + String.escapeSingleQuotes(name)+ % ;
String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ;
List queryResults = Database.query(qryString);
Answer: A,D
NEW QUESTION # 80
Which two combined methods should a developer use to prevent more than one open Opportunity on each Account? Choose 2 answers
- A. Create an Opportunity Validation Rule to generate an error on insert
- B. Create an Opportunity Workflow Rule to auto-close the Opportunity
- C. Create an Account Trigger to generate an error on Opportunity insert
- D. Create an Account Roll-up Summary field to count open Opportunities
Answer: A,D
NEW QUESTION # 81
What are two benefits of using declarative customizations over code?
Choose 2 answers
- A. Declarative customizations generally require less maintenance.
- B. Declarative customizations automatically generate test classes.
- C. Declarative customizations cannot generate run time errors.
- D. Declarative customizations automatically update with each Salesforce release.
Answer: A,D
NEW QUESTION # 82
An org has a single account named 'NoContacts' that has no related contacts. Given the query:
List<Account> accounts = [Select ID, (Select ID, Name from Contacts) from Account where Name='NoContacts']; What is the result of running this Apex?
- A. A QueryException is thrown.
- B. accounts[0].contacts is Null.
- C. accounts[0].contacts is invalid Apex.
- D. accounts[0].contacts is an empty Apex.
Answer: D
NEW QUESTION # 83
The sales management team at Universal Container requires that the Lead Source field of the Lead record be populated when a.. converted.
What should be done to ensure that a user populates the Lead Source field prior to converting a Lead?
- A. Use a formula field.
- B. Create an after trigger on Lead.
- C. Use Lead Conversation field mapping.
- D. Use a validation rule.
Answer: D
NEW QUESTION # 84
A developer needs to create a Visualforce page that displays Case dat
a. The page will be used by both support reps and support managers. The Support Rep profile does not allow visibility of the Customer_Satisfaction__c field, but the Support Manager profile does.
How can the developer create the page to enforce Field Level Security and keep future maintenance to a minimum?
- A. Create a separate Visualforce Page for each profile.
- B. Use a new Support Manager permission set.
- C. Use a custom controller that has the with sharing keywords.
- D. Create one Visualforce Page for use by both profiles.
Answer: C
NEW QUESTION # 85
What should a developer do to check the code coverage of a class after running all tests?
- A. View the code coverage percentage or the class using the Overalll code Coverage panel in the Developer Console Test tab.
- B. View the Code Coverage column in the list on the Apex Classes page.
- C. Select and run the class on the Apex est Execution page in the Developer Console.
- D. View the Class test Percentage tab on the Apex Class list view in Salesforce Setup.
Answer: D
NEW QUESTION # 86
What is a benefit of using a trigger framework?
- A. Simplifies addition of context-specific logic
- B. Reduces trigger execution time
- C. Increases trigger governor limits
- D. Allows functional code to be tested b
Answer: B
NEW QUESTION # 87
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