RAS (Remote Access Service) is a type of network service that allows users to connect to a remote network or computer over a secure connection, typically using the internet. This technology enables remote workers to access company resources, collaborate with colleagues, and perform tasks as if they were physically present in the office. RAS is commonly used by businesses to facilitate telecommuting, remote support, and secure access to private networks. It can also be used for remote monitoring and management of devices and systems. Overall, RAS plays a crucial role in enabling remote work and enabling connectivity in today's digital world.