Salesforce Lightning Interview Questions and Answers
Experienced / Expert level questions & answers
Ques 1. What is the Lightning App Development Lifecycle?
The Lightning App Development Lifecycle involves creating, deploying, and managing Lightning apps and components.
Example:
It includes stages like development, testing, packaging, and deployment of Lightning components and apps.
Ques 2. How can you optimize performance in Salesforce Lightning components?
Performance optimization in Salesforce Lightning involves reducing the number of server calls, optimizing code, and using features like caching.
Example:
Implementing client-side caching and minimizing server round trips are strategies for optimization.
Ques 3. Explain Lightning Data Service (LDS).
Lightning Data Service is a standard controller for Lightning components that enables efficient access to data without the need for Apex code.
Example:
LDS automatically loads and caches records, reducing the need for server calls in Lightning components.
Ques 4. What is Lightning Out?
Lightning Out allows you to embed Lightning components in external web pages using JavaScript.
Example:
It extends the use of Lightning components beyond the Salesforce platform.
Ques 5. 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 6. How can you implement client-side caching in Lightning components?
Client-side caching in Lightning components can be implemented using Lightning Data Service (LDS) or browser caching.
Example:
LDS automatically caches records, and you can use the browser's caching mechanism for static resources.
Ques 7. How can you communicate between Lightning components in different Aura frameworks?
You can use Lightning Message Service to communicate between Lightning components in different Aura frameworks.
Example:
It enables communication across the DOM and between Aura components in different frameworks.
Most helpful rated by users:
Related interview subjects
| IBM DataStage interview questions and answers - Total 20 questions |
| Talend interview questions and answers - Total 34 questions |
| Salesforce interview questions and answers - Total 57 questions |
| TIBCO interview questions and answers - Total 30 questions |
| Informatica interview questions and answers - Total 48 questions |
| Oracle CXUnity interview questions and answers - Total 29 questions |
| Web Services interview questions and answers - Total 10 questions |
| Salesforce Lightning interview questions and answers - Total 30 questions |
| IBM Integration Bus interview questions and answers - Total 30 questions |
| Power BI interview questions and answers - Total 24 questions |
| OIC interview questions and answers - Total 30 questions |
| Dell Boomi interview questions and answers - Total 30 questions |
| Web API interview questions and answers - Total 31 questions |