Correct option is B
The correct answer is (b) Telnet.
· Telnet is a network protocol used for remote login on a computer. It allows users to connect to a remote computer over a network, enabling them to access and manage the system as if they were physically present at the terminal. Telnet operates on port 23 and is primarily used for network administration and troubleshooting.
Information Booster:
· HTTP: Used for transferring hypertext documents (web pages) over the internet.
· FTP: Stands for File Transfer Protocol, used for transferring files between systems.
· RTP: Real-Time Transport Protocol, used for delivering audio and video over IP networks.