[amp_mcq option1=”telnet” option2=”http” option3=”ftp” option4=”rpc” correct=”option1″]
The correct answer is A. Telnet.
Telnet is a network protocol that allows a user to log in to a remote computer and execute commands on that computer. It is a text-based protocol, which means that all communication between the client and server is in the form of text. Telnet is a very old protocol, and it is not very secure. It is not recommended to use telnet for any sensitive data.
HTTP is a protocol that allows a user to access web pages. It is a stateless protocol, which means that each request from the client is independent of any previous requests. HTTP is a very common protocol, and it is used by most websites.
FTP is a protocol that allows a user to transfer files between a client and server. It is a very old protocol, and it is not very secure. It is not recommended to use FTP for any sensitive data.
RPC is a protocol that allows a program on one computer to call a program on another computer. It is a very powerful protocol, but it is also very complex. RPC is not commonly used by end users.
In conclusion, the correct answer is A. Telnet.