Networks and Hackers

Computer networks allow

A type of connection between computers that forms the basis of most LANs

The origin of Ethernet was the idea of connecting several computers together in a network via

Each computer must have an Ethernet card installed

A workstation is a

Someone who finds access in a computer’s security system to break into another machine is a

It is more secure than a hub, and faster than a hub, but not as powerful as a router.

Work by sending data from one machine to the next and so on in a ring

Allows the sharing of printers, scanners, internet access, file access, applications, & storage

Programs installed on the computer

Every computer on this network is equal; all computers run the same networking software.

Works like a two-way radio. Only the person holding the other radio can hear what is being said

It keeps track of computers and when data comes in, it sends it only to that specific computer.

This networking is expensive, requires dedicated staff, and depends on servers

This networking makes it easy to install new technology and can be accessed remotely

The most common threats are

A basic computer system is made up of two parts

Networks can take steps to protect their networks. The most common are

Uses a special token passing protocol; a machine can only use the network when it has the token

A collection of local area networks that are all interconnected to form one giant network

Allows the network to centralize functions and applications in one or more file servers

Physical equipment that you can touch