Free Platform Developer I CRT-450 Exam Practice Test

A developer is migrating a Visualforce page into a Lightning web component. Salesforce Certified Platform Developer IThe Visualforce page shows information about a single record. The developer decides to use Lightning Data Service to access record data.Which security consideration should the developer be aware of?

• The isaccessisle() method must be used for field-level access checks.
• Lightning Data Service ignores field-level security.
• The with sharing keyword must be used to enforce sharing rules.
• Lightning Data Service handles sharing rules and field-level security.

Universal Containers has a support process that allows users to request support from its engineering team using a custom object, Engineering_Support c.Users should be able to associate multiple Engineering_ support c records to a single Opportunity record. Additionally, aggregate information about the Engineering Support c records should be shown on the Opportunity record.Which relationship field should be implemented to support these requirements?

• Lookup field from Opportunity to Engineering_Support c
• Master-detail field from Engine=ring Support c to Opportunity
• Master-detail field from Opportunity to Engineering_Supports c
• Lookup field from Engineering Support c to Opportunity

• Declarative customization* automatically generate test classes.
• Declarative customizations cannot generate run time errors.
• Declarative customizations automatically update with each Salesforce release.
• Declarative customizations generally require less maintenance.

Universal Containers has an order system that uses an Order Number to identify an order for customers and service agents. Order records will be imported into Salesforce.How should the Order Number field be defined in Salesforce?

• Direct Lookup
• Lookup
• External ID and Unique
• Indirect Lookup

Universal Containers wants to ensure that all new leads created in the system have a valid email address. They have already created a validation rule to enforce this requirement, but want to add an additionallayer of validation using automation.What would be the best solution for this requirement?

• Use an Approval Process to enforce the completion of a valid email address using an outbound message action,
• Submit a REST API Callout with a JSON payload and validate the fields on a third party system
• Use a custom Lightning Web component to make a callout to validate the fields on a third party system.
• Use a before-save Apex trigger on the Lead object to validate the email address and display an error message if it is invalid

A developer is creating a page that allows users to create multiple Opportunities. The developer is asked to verify the current user's default Opportunity record type, and set certain default values based on the record type before inserting the record.How can the developer find the current user's default record type?Use Opportunity.SObjectType.gethescribe () .getRaecordlypaInsos () to get a list of record types, and iterate through them until 2sDefaultRecordTypeMapping () is true.Query the Profile where the ID equals uzexInfo.getProfilelD () and then use the profile.Cpportunity.gesDefaultRecordTyp= () method.Use the Schema.userInfo.Cpportunity.getlefaultRecordIype () method.Create the opportunity and check the opportunity. recordTyp=, which will have the record ID of the current user's default record type, before inserting.

What is an example of a polymorphic lookup field in Salesforce?

• The Parentld field on the standard Account object
• The Leadld and Contactld fields on the standard Campaign Member object
• The Whatld field on the standard Event object
• A custom field, Link c, on the standard Contact object that looks up to an Account or a Campaign

A custom Visualforce controller calls the apexPages.addMessage () method, but no messages are rendering on the page.Which component should be added to the Visualforce page to display the message?<apex:pageMessages /><apex:facet namew="mes=ages” /><apax:message for="info"/><apex:pageMessage severity="info" />

Which two are phases in the Aura application event propagation framework? Choose 2 answers

• Bubble
• Control
• Default
• Emit

Universal Containers wants to back up all of the data and attachments in its Salesforce org once a month.Which approach should a developer use to meet this requirement?

• Schedule a report.
• Define a Data Export scheduled
• Use the Data Loader command line.
• Create a Schedulable Apex class.