VTO-ENSAS-LWC

What is Salesforce Lightning Data Service, and how does it differ from other methods of working with data in Salesforce?

• A tool for designing Lightning component user interfaces

• A service for retrieving and manipulating data in Lightning components

• A framework for integrating external data with Salesforce

• A method for managing user permissions in Salesforce

How does Salesforce Lightning Data Service help ensure data consistency and security in Lightning components? Provide an example to illustrate this.

• By enabling external data integration

• By enforcing strict data validation rules

• By reducing the need for custom Lightning components

• By automatically respecting user record-level permissions

What is the primary purpose of the getRecord method in Salesforce Lightning Data Service?

• To create a new record in Salesforce.

• To retrieve a record's field values for use in Lightning components.

• To update a record's data in the database.

• To delete records from the Salesforce database.

In the context of getRecord, what is the purpose of the fields attribute?

• It specifies the CSS styling for the Lightning component.

• It defines the layout of the Lightning component.

• It allows you to specify the fields you want to retrieve from the record.

• It determines the order of execution for JavaScript functions.

Which one of these methods is a life cycle method in LWC

• ConnectedCallback

• ConnectedAsync

• UseEffect

• UseState

What is the role of the @track decorator in LWC?

• It tracks changes to a property and triggers re-rendering.

• It adds a tracking link to an external website.

• It defines a track for user interactions.

• It manages CSS styles in LWC..

Which decorator is used to make an Apex method accessible from an LWC component?

• @track

• @api

• @AuraEnabled

• @wire

Which of the following is true about SLDS (Salesforce Lightning Design System)?

• SLDS is a JavaScript library.

• SLDS provides a collection of CSS styles and guidelines for building Salesforce applications.

• SLDS is primarily used for server-side Apex development.

• SLDS is a database management system.

Which tool can you use to develop Lightning Web Components?

• Salesforce Developer Console

• Notepad

• Visual Studio Code with Salesforce Extensions

• Eclipse IDE

How can you handle events in LWC components?

• Using Apex methods

• Using @track variables

• Using the "on" directive

• Using Visualforce components