Answer: VLAN
Explanation: VLAN(Virtual local area network) is the network technology that lets the user to connect in a virtual( fake) environment and displaying as if they are working in the LAN environment.
It is the used for obtaining the scalability and protection of information while communication. It also helps in adapting the change that occurs in the network and nodes of the server. Thus, VLAN is the network that should be used in the business to keep sensitive data secure and hosts of the network to connect and communicate .