Network

Network

1. Hardware

   • Router
     • Most routers will have Wifi and Ethernet connection. Most routers can connect you to a wide area network (such as the internet) .
     • Switch
       • So that all of the devices can connect to a central point on a local area network
     • Modem
       • A modem is used to connect you to a wide area network such as the Internet. Your router normally has this built in so that many devices can share the same internet connection.
   • Ethernet cable
     • So that you can connect your device to a router, switch or another computer. They allow high data transfer speeds across your local area network of up to 1000Mbps.
   • Network interface card
     • In portable devices a network interface card will be wireless. Desktop PCs will normally have a network interface with an Ethernet port and an antenna to connect wirelessly.Any device which connects to a LAN or a WAN must have a network interface card!
   • Wireless access point (WiFi range extender)
     • Wireless access points are used to improve the signal in places where the router cannot reach. These are commonly seen in large buildings, coffee shops and public transport such as trains.
   • Server
     • A server is really just a powerful computer which controls the network! For example, all of the computers in school connect to the server as this allows you to login to any computer. It can also backup your files and manage the security of the network. All of your files will be stored on the server
   • Peripherals
     • These are any devices which connect to your computer system. A peripheral such as a printer or a scanner can connect to a local area network if they have a network interface card.

2. Keywords

   • Data transfer speed
     • Defintion

3. Threats

4. Connection types

   • Wifi
     • LAN/WANS/WPANS
       • LANS connect to ethconnect and wifi
       • WANS connect to gprs
     • Disadvantages
     • Advantages

5. Network types

   • WAN
   • Wpan
   • Definition?
   • LAN

6. Security

   • Passwords
     • Passwords are used for, for people not to get into your private information and your computer system. you need at least 8 characters in your password and also try and add different symobols to make it harder for people to accses