Biomedical Engineering Reference
In-Depth Information
Table 3-3. Network Electronics. In addition to these major classifications,
many devices combine features common to multiple categories.
Device
Application
Bridge
Connects multiple network segments and forwards data between them
Content Filter
Prevents access of restricted external Web content
Firewall
Prevents unauthorized users from accessing the network
Gateway
Links two networks that use different protocols
Hub
Provides a central connection point for a network configured in a star topology
Modem
Connects a workstation or LAN to an outside workstation or network, such as the
Internet
Monitor
Monitors activity on the network by node and by network segment
Router
Sends data transmissions only to the portion of a network meant to receive them
Satellite
Transmits signals from a server in orbit
Server
Supplies files and applications to clients
