Networking

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Networking

  1. 1. Networking: Computer Connections By Jarom Evans
  2. 2. What is a computer network? <ul><li>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. </li></ul>
  3. 3. Local Area Networks <ul><li>Also known as LAN is a computer network that covers a small area like a home, office or small groups in a building. </li></ul><ul><li>It can be connected to several computers and other computer devices like a printer. </li></ul><ul><li>It can link together using network cables or wireless routers. </li></ul>
  4. 4. Wide Area Networks <ul><li>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. </li></ul><ul><li>Examples of WAN is telephones and the internet. </li></ul><ul><li>It can link together through telephone lines. </li></ul>
  5. 5. Wireless Networks <ul><li>Wireless networks are any type of network that is wireless. </li></ul><ul><li>An examples of wireless networks are mobile phones and Wi-Fi. </li></ul><ul><li>It uses electromagnetic waves like radio waves to send data and to link together. </li></ul>
  6. 6. Peer to Peer, Client/Server Networks <ul><li>Peer to Peer (P2P) term used a lot in file sharing systems like Napster or BitTorrent. </li></ul><ul><li>Client/Server Network is one computer (the client) makes a request or joins to another computer which is the server. </li></ul><ul><li>Examples of this is file sharing (downloads) and gaming LAN or online. </li></ul>
  7. 7. Protocols used on the Internet <ul><li>Protocols are rules which is used by computers to communicate (transmit data) with another within a network. </li></ul><ul><li>HTML – Hypertext Markup Language is used for making web pages. </li></ul><ul><li>HTTP – Hypertext Transfer Protocol used to transfer requests and information between servers and browsers. </li></ul><ul><li>TCP/IP – Transmission Control Protocol/Internet Protocol is a set of rules used to get data from one network device to another. </li></ul><ul><li>FTP – File Transfer Protocol is a network protocol used to exchange and manipulate over an IP computer network. </li></ul>
  8. 8. <ul><li>Equipment used for a computer network. </li></ul><ul><li>Modem – MOdulate and DEModulate used to connect computers to telephone lines. </li></ul><ul><li>Router – used to route information which is directed to various paths. </li></ul><ul><li>Hub/Switch – Both devices connect network segments. </li></ul><ul><li>NIC – Network Interface Card allows computers to be able to connect to a network. </li></ul>Networking Hardware
  9. 9. Data Transmission Rates <ul><li>Bps – Bits per second is the rate which data is transferred. </li></ul><ul><li>kbps – Kilo bits per second or 1 000 Bits per second is a rate which data is transferred. </li></ul>

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