2. To use Telnet, you need to know the Internet address of the host host whose resources you want to use. Your Telnet client contacts the host, using its Internet address. Internet address
3. When a client and a server communicate, they use the Telnet protocol. The Telnet protocol assumes that each end of the connection – the clientand the server. Telnet Protocol
4. Telnet protocol assumes that each end of the connection – the client and the server – is a network virtual terminal(NVT). Each NVT has a virtual “printer” and a virtual “key board”. Network virtual terminal(NVT)
5. Virtual “keyboard” The keyboard sends data from one NVT to the other. When you type text on your keyboard, you're using the NVT keyboard.