Salesforce Lightning Interview Questions and Answers
Ques 16. Explain the role of Apex in Salesforce Lightning.
Apex is used in Salesforce Lightning to implement server-side logic for Lightning components.
Example:
You can use Apex controllers to handle server-side processing and interact with the Salesforce database.
Ques 17. What is the difference between application events and component events in Lightning?
Application events are used for communication between components that are not in the same containment hierarchy, while component events are for communication between components in the same hierarchy.
Example:
Use application events when components are not directly related, and component events when they are.
Ques 18. How can you handle security in Salesforce Lightning components?
Security in Salesforce Lightning components is managed through access settings, Lightning Component framework security, and Apex class security.
Example:
You can control access to Lightning components by setting user profiles, permission sets, and ensuring secure Apex code.
Ques 19. What is the Lightning App Builder?
The Lightning App Builder is a visual tool for creating pages for the Salesforce mobile app and Lightning Experience.
Example:
Administrators can use it to customize the layout of pages by dragging and dropping components.
Ques 20. Explain Lightning Locker Service.
Lightning Locker Service enhances security by isolating components in their own namespace, preventing access to global resources.
Example:
It helps in preventing cross-site scripting (XSS) and ensures a secure environment for Lightning components.
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