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?
A developer is writing code that requires making callouts to an external web service.Which scenario necessitates that the callout be made in an @future method?
A developer wants to call an Apex Server-side Controller from a Lightning Aura Component.What are two limitations to the data being returned by the Controller? (Choose two.)
Which interface needs to be implemented by a Lightning Component so that it may be displayed in modal dialog by clicking a button on a Lightning Record page?
Sometimes events on Salesforce need to be handled by an external system due to the scale or type of process being executed. Consider the use case of a user inSalesforce needing to get pricing for an order they are building in Salesforce while on the phone with a customer.The pricing logic already exists in a third-party system. Instead of recreating this logic in Salesforce, it will be leveraged by making a request of the third-party system. The response, in this case the pricing, will be returned and stored back in Salesforce.What is the optimal solution?
A Visualforce page loads slowly due to the large amount of data it displays.Which strategy can a developer use to improve the performance?
