[Q20-Q43] 100% Passing Guarantee – Brilliant DEX-450 Exam Questions PDF [Jun-2023]

Rate this post

100% Passing Guarantee – Brilliant DEX-450 Exam Questions PDF [Jun-2023]

DEX-450 Dumps 2023 – NewSalesforce DEX-450 Exam Questions

QUESTION 20
When creating unit tests in Apex, which statement is accurate?Choose 2

Unit tests with multiple methods result in all methods failing every time one method fails.

Increased test coverage requires large test classes with many lines of code in one method.

Triggers do not require any unit tests in order to deploy them from sandbox to production.

System Assert statements that do not Increase code coverage contribute important feedback in unit tests

QUESTION 21
A developer has a Visualforce page and custom controller to save Account records. The developer wants to display any validation rule violation to the user. How can the developer make sure that validation rule violations are displayed?

Add cuatom controller attributes to display the message.

Include <apex:message> on the Visualforce page.

Use a try/catch with a custom exception class.

Perform the DML using the Database.upsert() method.

QUESTION 22
A developer is debugging the following code to determinate why Accounts are not being created Account a = new Account(Name = ‘A’); Database.insert(a, false); How should the code be altered to help debug the issue?

Add a System.debug() statement before the insert method

Add a try/catch around the insert method

Set the second insert method parameter to TRUE

Collect the insert method return value a Saveresult variable

QUESTION 23
Cloud kicks has a muli-screen flow its call center agents use when handling inbound service desk calls.
At one of the steps in the flow, the agents should be presented with a list of order number and dates that are retrieved from an external odrer management system in real time and displayed on the screen.
What shuold a developer use to satisfy this requirement?

An invocae method

An apex REST class

An outbound message

An Apex Controller

QUESTION 24
Which option should a developer use to create 500 Accounts and make sure that duplicates are not created for existing Account Sites?

Data Import Wizard

Salesforce-to-Salesforce

Sandbox template

Data Loader

QUESTION 25
A developer has a single custom controller class that works with a Visualforce Wizard to support creating and editing multiple subjects. The wizard accepts data from user inputs across multiple Visualforce pages and from a parameter on the initial URL.
Which three statements are useful inside the unit test to effectively test the custom controller?
Choose 3 answers

insert pageRef.

Test.setCurrentPage(pageRef);

public ExtendedController(ApexPages StandardController cntrl) { }

ApexPages.CurrentPage().getParameters().put(‘input’, ‘TestValue’);

String nextPage – controller.save().getUrl();

QUESTION 26
Which two conditions cause workflow rules to fire? Choose 2 answers

Changing the territory assignments of accounts and opportunities

Updating records using the bulk API

Converting leads to person accounts

An Apex Batch process that changes field values

QUESTION 27
A developer uses a test setup method to create an account named ‘test’. The first method deletes the account record. What must be done in the second test method to use the account?

Use select id from account where name=’test’

Restore the account using an undelete statement

Call the test setup method at the start of the test

The account cannot be used in the second method

QUESTION 28
A developer must build application that tracks which Accounts have purchase specific pieces of equal products. Each Account could purchase many pieces of equipment.
How should the developer track that an Account has purchased a piece of equipment.

Use the Asset object.

Use a Custom object.

Use a Master-Detail on Product to Account

Use a Lookup on Account to product.

QUESTION 29
Which two queries can a developer use in a Visualforce controller to protect against SOQL injection vulnerabilities? Choose 2 answers

String qryName = % + String.enforceSecurityChecks(name)+ % ;
String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ;
List queryResults = Database.query(qryString);

String qryName = % + name % ;
String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ;
List queryResults = Database.query(qryString);

String qryName = % + String.escapeSingleQuotes(name)+ % ;
String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ;
List queryResults = Database.query(qryString);

String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ; List queryResults = Database.query(qryString);

QUESTION 30
A developer has a single custom controller class that works with a Visualforce Wizard to support creating and editing multiple sObjects. The wizard accepts data from user inputs across multiple Visualforce pages and from a parameter on the initial URLWhich statement is unnecessary inside the unit test for the custom controller?

Public ExtendedController (ApexPages.StandardController cntrl) { }

ApexPages.currentPage().getParameters().put(‘input’, ‘TestValue’)

Test.setCurrentPage(pageRef),

String nextPage = controller.save().getUrl();

QUESTION 31
A developer needs to create records for the object Property__c. The developer creates the following code block:List propertiesToCreate = helperClass.createProperties();try { // line 3 } catch (Exception exp ) { //exception handling }Which line of code would the developer insert at line 3 to ensure that at least some records are created, even if a few records have errors and fail to be created?

Database.insert(propertiesToCreate, false);

insert propertiesToCreate;

Database.insert(propertiesToCreate, System.ALLOW_PARTIAL);

Database.insert(propertiesToCreate);

QUESTION 32
How can a developer refer to, or instantiate a PageReference in Apex? Choose 2 answers

By using a PageReference with a partial or full URL.

By using the Page object and a Visualforce page name.

By using the ApexPages.Page() method with a Visualforce page name.

By using the PageReference.Page() method with a partial or full URL.

QUESTION 33
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

The organization’s sharing rules for Licensed_Professional__c have not finished their recalculation process.

The organization recently modified the Sales representative role to restrict Read/Write access to Licensed_Professional__c

The organization has a private sharing model for Certification__c, and Contact is the primary relationship in the Licensed_Professional__c object

The organization has a private sharing model for Certification__c, and Certification__c is the primary relationship in the Licensed_Professional__c object.

QUESTION 34
What is the value of x after the code segment executes?String x = ‘A’;Integer i = 10;if ( i < 15 ) {i = 15;x = ‘B’;} else if ( i < 20 ) {x = ‘C’;} else {x = ‘D’; }

QUESTION 35
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.

QUESTION 36
A developer uses a loop to check each Contact in a list. When a Contact with the Title of
“Boss” is found, the Apex method should jump to the first line of code outside of the for loop.
Which Apex solution will let the developer implement this requirement?

break;

Continue

Exit

QUESTION 37
Universal Containers wants a list button to display a Visualforce page that allows users to edit multiple records. which Visualforce feature supports this requirement?

<apex:listButton> tag

Custom controller

RecordSetVar page attribute

Controller extension

QUESTION 38
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?

Roll-up summary field

Quick action

Apex trigger

Formula field

QUESTION 39
What should a developer do to check the code coverage of a class after running all tests?

View the code coverage percentage or the class using the Overalll code Coverage panel in the Developer Console Test tab.

View the Code Coverage column in the list on the Apex Classes page.

Select and run the class on the Apex est Execution page in the Developer Console.

View the Class test Percentage tab on the Apex Class list view in Salesforce Setup.

QUESTION 40
Universal container wants a list button to display a visualforce page that allows users to edit multiple records which visualforce feature supports this requirement.

Recordsetvar page attribute

QUESTION 41
Which type of code represents the Controller in MVC architecture on the Force.com platform? (Choose 2)

JavaScript that is used to make a menu item display itself.

A static resource that contains CSS and images.

Custom Apex and JavaScript coda that is used to manipulate data.

StandardController system methods that are referenced by Visualforce.

QUESTION 42
A company has been adding data to Salesforce and has not done a good Job of limiting the creation of duplicate Lead records. The developer is considering writing an Apex process to identify duplicates and merge the records together.
Which two statements are valid considerations when using merged?
Choose 2 answers

The field values on the master record are overwritten by the records being merged.

Merge is supported with accounts, contacts, cases, and leads.

External ID fields can be used with the merge method.

The merge method allows up to three records, including the master and two additional records with the same sObject type, to be merged into the master record.

QUESTION 43
Given the following Anonymous Block:

Which one do you like?
What should a developer consider for an environment that has over 10,000 Case records?