A lead object has a custom field Prior_Email__c. The following trigger is intended to copy the current Email into the Prior_Email__c field any time the Email field is changed:

Which type of exception will this trigger cause?

A developer created a child Lightning web component nested inside a parent Lightning web component, parent component needs to pass a string value to the child component.
In which two ways can this be accomplished?
Choose 2 answers

How can a developer determine, from the DescribeSObjectResult, if the current user will be able to create records for an object in Apex?

A software company uses the following objects and relationships:
* Case: to handle customer support issues
* Defect_c: a custom object to represent known issues with the company's software
* case_Defect__c: a junction object between Case and Defector to represent that a defect Is a customer issue What should be done to share a specific Case-Defect_c record with a user?

A Hierarchy Custom Setting stores a specific URL for each profile in Salesforce. Which statement can a developer use to retrieve the correct URL for the current user'sprofile and display this on a Visualforce Page?