An Internet utility that lets one log on to remote computer systems is

An Internet utility that lets one log on to remote computer systems is known as

Usenet
Telnet
File Transfer Protocol (FTP)
Remote Net
This question was previously asked in
UPSC CISF-AC-EXE – 2017
The correct answer is B) Telnet.
Telnet is an internet protocol and utility that provides a command-line interface for communicating with a remote server. It allows a user to log in to a remote computer system and execute commands as if they were directly connected to it.
While Telnet provides remote login capability, it transmits data in plain text, making it insecure for sensitive information like passwords. For secure remote login, protocols like SSH (Secure Shell) are now widely preferred and used as a modern alternative to Telnet. FTP is used specifically for file transfer, and Usenet is a system for distributed discussion groups.