Front-End Interview Questions

• 80. Long Polling vs Sever-Sent Event vs WebSocketNetwork
• 58. What does a HTTP request look like?Network
• 57. Explain common HTTP request methods? What are they used for?Network
• 35. Explain common HTTP response status codeNetwork
• 26. What is CDN? Why do we use it?Network
• 24. Explain TCP 3-Way Handshake processNetwork
• 22. What is HTTP Cache? How does it work?Network
• 21. What is DNS? How does it work?Network
• 19. What does header `Connection:Keep-Alive` do?Network
• 12. How does HTTPS work?Network
• 11. How HTTP works ? What is HTTP/2?Network