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To add an additional layer of validation for email addresses on Lead records by using automation and possibly an external validation service, the best solution is to use a custom Lightning Web Component (LWC).

Option C: Use a custom Lightning Web Component to make a callout to validate the fields on a third-party system

Real-Time Validation: An LWC can perform client-side validation and make callouts to external systems to validate the email address as the user inputs data.

User Experience: Provides immediate feedback to the user, improving data quality at the point of entry.

Limitations: This solution works when data is entered through the UI using the LWC component.

To enforce that only Container__c records with a status of "Decommissioned" can be deleted, we need to prevent deletion of records unless they meet this criteria.

Possible Approaches:

Option A: Apex Trigger

Correct.

Explanation:

An Apex before delete trigger can be written to check the Status__c field of each record being deleted.

If the status is not "Decommissioned," the trigger can add an error to prevent deletion.

trigger PreventContainerDeletion on Container__c (before delete) {

for (Container__c container : Trigger.old) {

if (container.Status__c != 'Decommissioned') {

container.addError('Only decommissioned containers can be deleted.');

}

}

}

There are several ways to execute tests in a Salesforce org:

Option A: Setup Menu

Valid Method.

Explanation:

Tests can be run from the Salesforce Setup menu under Apex Test Execution.

Allows selecting and running test classes and methods.