Jan-2025 Pass Salesforce DEX-450 Exam in First Attempt Easily [Q28-Q50] : IT Certification Exam Braindumps : http://blog.braindumpsit.com

Q28. A development team wants to use a deployment script to automatically deploy to a sandbox during their development cycles.
Which two tools can they use to run a script that deploys to a sandbox?
Choose 2 answers

SFDX CLI

Developer Console

Change Sets

Ant Migration Tool

Q29. A developer is asked to create a PDF quote document formatted using the company’s branding guidelines, and automatically save it to the Opportunity record.
Which two ways should a developer create this functionality? (Choose two.)

Install an application from the AppExchange to generate documents.

Create a Visualforce page with custom styling.

Create an email template and use it in Process Builder.

Create a visual flow that implements the company’s formatting.

Q30. A developer is tasked with building a custom Lightning web component to collect Contact information.
The form will be shared among many different types of users in the org. There are security requirements that only certain fields should be edited and viewed by certain groups of users.
What should the developer use in their Lightning Web Component to support the security requirements?

force-input-field

ui-input-field

aura-input-field

lightning-input-field

Q31. Which three options can be accomplished with formula fields? (Choose three.)

Generate a link using the HYPERLINK function to a specific record.

Display the previous value for a field using the PRIORVALUE function.

Determine if a datetime field value has passed using the NOW function.

Return and display a field value from another object using the VLOOKUP function.

Determine which of three different images to display using the IF function.

Q32. What is a benefit of using an after insert trigger over using a before insert trigger?

An after insert trigger allows a developer to bypass validation rules when updating fields on the new record.

An after insert trigger allows a developer to insert other objects that reference the new record.

An after insert trigger allows a developer to make a callout to an external service.

An after insert trigger allows a developer to modify fields in the new record without a query.

Q33. A development team wants to use a deployment script to automatically deploy to a sandbox during their development cycles. Which tool should they use to deploy to the sandbox?

Change Sets

VSCode

Ant Migration Tool

Developer Console

Q34. 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.. of the Controller according to the MVC architecture?
Choose 2 answers

HTML file

Apex class

JavaScript file

XML file

Q35. Which three tools can deploy metadata to production? (Choose three.)

Change Set from Developer Org

Force.com IDE

Data Loader

Change Set from Sandbox

Metadata API

Q36. Universal Containers implemented a private sharing model for the Account object. A custom Account search tool was developed with Apex to help sales representatives find accounts that match multiple criteria they specify. Since its release, users of the tool report they can see Accounts they do not own. What should the developer use to enforce sharing permission for the currently logged-in user while using the custom search tool?

Use the schema describe calls to determine if the logged-in users has access to the Account object.

Use the without sharing keyword on the class declaration.

Use the UserInfo Apex class to filter all SOQL queries to returned records owned by the logged-in user.

Use the with sharing keyword on the class declaration.

Q37. What is the result of the following code snippet?

201 Accounts are inserted.

200 Accounts are inserted.

0 Accounts are inserted.

1 Account is inserted.

Q38. Which one do you like?
What should a developer consider for an environment that has over 10,000 Case records?

The transaction will fail due to exceeding the governor limit.

The try/catch block will handle any DML exceptions thrown.

The transaction will succeed and changes will be committed.

The try/catch block will handle exceptions thrown by governor limits.

Q39. A developer Is Integrating with a legacy on-premise SQL database.
What should the developer use to ensure the data being Integrated is matched to the right records in Salesforce?

Lookup field

External ID field

Formula field

External Object

Q40. What is the value of the Trigger.old context variable in a before insert trigger?

A list of newly created sObjects without IDs

null

Undefined

An empty list of sObjects

Q41. Universal Containers decides to use exclusively declarative development to build out a new Salesforce application. Which three options should be used to build out the database layer for the application? Choose 3 answers

Roll-Up Summaries

Triggers

Relationships

Flow

Custom Objects and Fields

Q42. A developer needs to include a Visualforce page in the detail section of a page layout for the Account object, but does not see the page as an available option in the Page Layout Editor. Which attribute must the developer include in the <apex:page> tag to ensure the Visualforce page can be embedded in a page layout?

Action=”AccountId”

StandardController=”Account”

Extensions=”AccountController”

Controller=”Account”

Q43. 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

Q44. A developer created these three Rollup Summary fields in the custom object, Project__c:

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?

Record-triggered flow

Formula field

Apex trigger

Field Update actions

Q45. Which two statements are true about Apex code executed in Anonymous Blocks? Choose 2 answers

Successful DML operations are automatically committed

All DML operations are automatically rolled back

The code runs with the permissions of the user specified in the runAs() statement

The code runs with the permissions of the logged user.

The code runs in system mode having access to all objects and fields.

Q46. A developer must modify the following code snippet to prevent the number of SOQL queries issued from exceeding the platform governor limit. public class without sharing OpportunityService( public static List<OpportunityLineItem> getOpportunityProducts(Set<Id> opportunityIds){ List<OpportunitylineItem> oppLineItems = new List<OpportunityLineItem>(); for(Id thisOppId : opportunityIds){ oppLineItems.addAll([Select Id FROM OpportunityLineItems WHERE OpportunityId = :thisOppId)]; } return oppLineItems; } } The above method might be called during a trigger execution via a Lightning component. Which technique should be implemented to avoid reaching the governor limit?

Use the System.Limits.getQueries() method to ensure the number of queries is less than 100.

Use the System.Limits.getlimitQueries() method to ensure the number of queries is less than 100.

Refector the code above to perform the SOQL query only if the Set of opportunityIds contains less 100 Ids.

Refactor the code above to perform only one SOQL query, filtering by the Set of opportunityIds.

Q47. A developer created a trigger on the Account object and wants to test if the trigger is properly bulkified. The developer team decided that the trigger should be tested with 200 account records with unique names.
What two things should be done to create the test data within the unit test with the least amount of code?
Choose 2 answers

Use Test.loadData to populate data in your test methods.

Create a static resource containing test data.

Use the @isTest (isParallel=true) annotation in the test class.

Use the @isTest (seeAllData=true) annotation in the test class.

Q48. Which statement should a developer avoid using inside procedural loops? (Choose 2)

System.debug(‘Amount of CPU time (in ms) used so far: ‘ + Limits.getCpuTime() );

List contacts = [SELECT Id, Salutation, FirstName, LastName, Email FROM Contact WHERE AccountId = :a.Id];

If(o.accountId == a.id)

Update contactList;

Q49. 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?

Apex

trigger

Controller

extension

Q50. 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