The messages are usually stored on an e-mail server and can be accessed by the addressee only. Ethernet A name for a physical layer networking protocol that is based on a contention access scheme. EtherTalk Apple Computer's implementation of Ethernet. It is not subject to interference or electronic eavesdropping. A device connecting two or more networks that may use different protocols and media.
Gateways can connect local area networks or wide area networks.
A concentrator or repeater in a star topology network where node connections meet. A professional organization within the ISO that assists with the creation of network standards. A business or enterprise that acts as an intermediary between the Internet and the connecting individual or agency. Usually geographically close, the connecting site can vary from a commercial organization to a university. A computer network located within a building or group of buildings.