Mphasis Interview Question

1. Tell me something about yourself 2. Difference between .call and .apply methods 3. Name 7 react life cycle methods 4. How can we access some file stored in S3 5. A question about Load Balancer and CDN 6. Difference between Vertical and Horizontal scaling 7. Controlled Components in ReactJS 8. Write a program to show concepts of "Key" and "ref" 9. JavaScript code snippet for output 10. Code a Problem statement on the editor