Network appliances are specialized hardware devices designed to perform specific networking tasks. They can include devices like firewalls, routers, and load balancers, which help manage and secure data traffic within a network. These appliances often come with built-in software that allows them to operate efficiently and effectively. Typically, network appliances are used in both home and enterprise environments to enhance performance and security. They are easier to deploy and manage compared to general-purpose computers, as they are optimized for their specific functions. This specialization helps ensure reliable and consistent network operations.