ipconfig
nslookup
When you use speedtest, you choose a server to send a message to. Speedtest sends a request to the server that you select, and then measures how long it takes that server to respond. It uses that information to determine your connection speed.
The furnishes the request of the clint (server )
To request a webpage from the server, an HTTP client sends the server a GET request.
authoritative dns server is server that has own databases that has name resolution for the clients that for resolve from name to ip address and for ip address to name. non-authorititative dns server is server that forward request of dns client to authoritative dns server for resolve.
In the context of web development, the POST process is a request method used to submit data to the server for processing. It sends data in the body of the request, allowing for more data to be transferred compared to the GET method. The server processes the data sent through POST and can then respond accordingly.
Server's function is to respond for the client's application requests
If a server object is not loaded in the memory and the request for it, then the server object is loaded in to the memory and is initialized
Wen says bad request the server isn't offline, you can change it in server.properties.
proxy server
Yes JavaScript can communicate with HTTP Server. It can hit Ajax request to request content from server.
I believe the command is /start.