Describe the function of Telnet and SSH

Question 1

What is Telnet and what is its primary function?

Answer 1

Telnet is a network protocol used to provide a command-line interface for communication with a remote device or server.

Its primary function is to enable remote login and command execution.

Question 2

On which port does Telnet operate by default?

Answer 2

Telnet operates on TCP port 23 by default.

Question 3

What are the security characteristics of Telnet?

Answer 3

Telnet transmits data, including usernames and passwords, in plaintext, making it insecure for use over untrusted networks.

Question 4

What is SSH and what is its primary function?

Answer 4

SSH stands for Secure Shell.

Its primary function is to provide a secure channel over an unsecured network for remote login and command execution.

Question 5

On which port does SSH operate by default?

Answer 5

SSH operates on TCP port 22 by default.

Question 6

What security features does SSH provide?

Answer 6

SSH provides encryption for data transmission, ensuring that usernames, passwords, and commands are secure.

It also supports various authentication methods, including password and public key authentication.

Question 7

How does SSH enhance security compared to Telnet?

Answer 7

SSH encrypts all data sent between the client and the server, protecting against eavesdropping and man-in-the-middle attacks.

Telnet, on the other hand, transmits data in plaintext, making it vulnerable to interception and unauthorized access.

Question 8

What command is commonly used to initiate a Telnet session?

Answer 8

The command to initiate a Telnet session is typically telnet <hostname>.</hostname>

Question 9

What command is commonly used to initiate an SSH session?

Answer 9

The command to initiate an SSH session is typically ssh <username@hostname or IP>.