Free Salesforce Platform Developer IPractice Test

A developer is working on a Salesforce org that uses a multi-tenant architecture. Which statement accurately describes the multi-tenant architecture in Salesforce?

A developer needs to create a custom object that should have a relationship with the Account object where if the Account is deleted, all related custom object records should also be deleted. Which relationship type should be used?

A developer creates a custom field called 'Total_Amount__c' on the Opportunity object and wants to make it available in SOQL queries. What must happen before the field can be queried?

A developer needs to ensure data quality by preventing duplicate Account records based on the Account Name. What is the recommended approach?

A developer writes the following trigger code: trigger AccountTrigger on Account (before insert) { for(Account acc : Trigger.new) { acc.Description = 'Updated'; } } What happens when this trigger executes?

A developer needs to query all Contacts associated with Accounts in the 'Technology' industry. Which SOQL query is correct?

A developer created a trigger that queries related records inside a for loop. When processing large data volumes, the trigger fails. What is the most likely cause?

A developer needs to create a trigger that runs after Opportunity records are updated and sends an email to the owner. Which trigger context variables should be used to identify which records were modified?

A developer writes a batch class to process 10,000 Account records. What is the maximum number of records that can be passed to the execute method in a single transaction by default?

A developer needs to execute code that runs asynchronously and can make callouts to external systems. Which option should be used?

A developer creates a Queueable class that chains to another Queueable job. What is the maximum depth of chained Queueable jobs allowed from a single transaction?

A developer is creating a validation rule on the Opportunity object to ensure that the Close Date is not in the past when the Stage is changed to 'Closed Won'. Which formula should be used?

A developer needs to display a custom message on a Lightning page when certain conditions are met. Which component should be used?

A developer is building a Lightning Web Component (LWC) and needs to make it available on record pages. What must be configured in the component's meta.xml file?

A developer creates a Visualforce page with the following code: <apex:page standardController="Account"> <apex:form> <apex:inputField value="{!Account.Name}"/> <apex:commandButton value="Save" action="{!save}"/> </apex:form> </apex:page> What happens when the Save button is clicked?

A developer needs to retrieve data from Salesforce in a Lightning Web Component. Which wire adapter should be used to get a single record?

A developer creates an Aura component that needs to call an Apex method. What annotation must be added to the Apex method?

A developer writes a test class for a trigger and achieves 80% code coverage, but the test fails when run. What should the developer do first?

A developer needs to test a class that makes a callout to an external web service. What must be implemented in the test class?

A developer deploys code from a sandbox to production and receives an error stating that the average test coverage is 68%. What is the minimum code coverage required for deployment to production?