1. Networking: Computer Connections By Jarom Evans

2. What is a computer network?

A computer network is a network made up of two or more computers that are connected through cable or wireless devices. There are several examples of computer network.

3. Local Area Networks

Also known as LAN is a computer network that covers a small area like a home, office or small groups in a building.

It can be connected to several computers and other computer devices like a printer.

It can link together using network cables or wireless routers.

4. Wide Area Networks

Similar to LAN, WAN can cover wider areas like a metropolitan area, regional or a global scale. It can span between buildings, cities and countries.

Examples of WAN is telephones and the internet.

It can link together through telephone lines.

5. Wireless Networks

Wireless networks are any type of network that is wireless.

An examples of wireless networks are mobile phones and Wi-Fi.

It uses electromagnetic waves like radio waves to send data and to link together.

6. Peer to Peer, Client/Server Networks

Peer to Peer (P2P) term used a lot in file sharing systems like Napster or BitTorrent.

Client/Server Network is one computer (the client) makes a request or joins to another computer which is the server.

Examples of this is file sharing (downloads) and gaming LAN or online.

7. Protocols used on the Internet

Protocols are rules which is used by computers to communicate (transmit data) with another within a network.

HTML Hypertext Markup Language is used for making web pages.

HTTP Hypertext Transfer Protocol used to transfer requests and information between servers and browsers.

TCP/IP Transmission Control Protocol/Internet Protocol is a set of rules used to get data from one network device to another.

FTP File Transfer Protocol is a network protocol used to exchange and manipulate over an IP computer network.

8.

Equipment used for a computer network.

Modem MOdulate and DEModulate used to connect computers to telephone lines.

Router used to route information which is directed to various paths.

Hub/Switch Both devices connect network segments.

NIC Network Interface Card allows computers to be able to connect to a network.

Networking Hardware 9. Data Transmission Rates

Bps Bits per second is the rate which data is transferred.

kbps Kilo bits per second or 1 000 Bits per second is a rate which data is transferred.