What is the main function of Remote Desktop Protocol (RDP)?

The main function of Remote Desktop Protocol (RDP) is to enable users to connect remotely to another device. This protocol facilitates the use of remote access over a network, allowing individuals to control a computer or server as if they were physically present at that machine. RDP transmits the graphical user interface of the remote machine to the user's device while sending the user's input back to the remote machine.

RDP is especially useful in IT support, system administration, and remote work scenarios, where access to a machine's desktop environment is essential for troubleshooting, managing applications, or performing tasks without being on-site. By using RDP, users can work from different locations, maintain the flexibility to manage servers and applications, and provide support without needing to be physically present.

Other options, while related to technology, do not accurately represent the primary function of RDP. Encryption is important for securing data but is not the main purpose of RDP; managing local networks pertains more to networking protocols rather than remote access; and file transfer protocols do not cover the full range of capabilities provided by RDP.