1.3.3 Networks

A set of rules

An agreed way of how to communicate over a network

The full address of an internet source

Identifies the area or domain that an internet resource resides in

A unique address that is assigned to a network device

Connects 2 or more LANs that are in different geographical locations

Networked devices that are physically close together

Creates a direct link between two devices of the duration of the communication

A method of communicating packets of data across a network that has other communication happening simultaneously

Used to connect at least 2 networks

Transmission Control Protocol / Internet Protocol. A set of network protocols that work together as 4 connected layers

A security checkpoint that prevents unauthorised access between 2 networks

Intercepts all packets entering and leaving a network, hiding the true network addresses of the source

One way of making messages travelling over the internet secure

A computer dedicated to proving a service to users across a network

One or more computers(clients) connects to a powerful central computer(the server)

There is no central server, individual computers are connected to each other, locally or over a WAN so they can share files