Correct Answer - Option 1 : 4, 2, 1, 3
The correct order in which the following actions take place in an interaction between a web browser and a web server
The web browser first needs to figure out IP address of site from URL using DNS. This is typically called domain name resolution.
TCP connection is established mostly at port 80.
Once the TCP connection is established, the browser sends an HTTP request using GET method.
Finally, web server responds with HTTP response that is, the page we requested.
Hence, the correct sequence of actions is 4, 2, 1, 3