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Networking Networking Presentation Transcript

  • Networking: Computer Connections By Jarom Evans
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
    • 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
  • 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.