Networks

= __//**Networks**//__ = = = The word network can be used to describe a very large and complicated set of equipment. In its most accurate and simplest definition a network refers to the cables and electronic components that amplify the signals going through the cables. The amplifying equipment is necessary to ensure accurate communication and make the signal stronger if it needs to go long distances.

Services
Services include:
 * Email service
 * File service - Allows users to use and share file space on a computer with a lot of file space.
 * Print service - Allows printing to printers connected on the network.
 * Web surfing - Allowing someone to open web pages and see web sites on the internet.
 * Filtering out undesired sites on the internet.
 * Allowing someone to access the network from the outside (from home).
 * Updating virus definitions on workstations.
 * Allowing someone to log onto the network.
 * Even giving a workstation an address on the network is a service. If your computer does not have an address, it cannot access the internet or any other resource on the network.

A Typical Network
A typical corporate or organizational network is shown below: Examples of Network topologies: __//**﻿**//__