2.1 Compare and contrast Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) ports, protocols, and their purposes.

Remote Connections Protocols

Telnet

Port 23

Secure Shell

Port 22

Telnet

A network protocol used to provide a command-line interface for communication with a remote device.

Remote Desktop Protocol

Port 3389

Secure Shell

A network protocol that allows secure remote access and management of network devices and servers, encrypting the communication to protect data.

Remote Desktop Protocol

used for remote desktop access and control of Windows-based systems.