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Exploring Networks: Topology & Architecture Mrs. Wilson

Understand networks: what they are, why they're important, types, architectures, topologies, NIC, and netiquette rules for good online behavior.

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Exploring Networks: Topology & Architecture Mrs. Wilson

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  1. Networks, Topology, & Architecture Mrs. Wilson

  2. What is a Network? • Combination of hardware and software that allows computers to exchange data and share software and devices. • Used by schools, businesses, and home users as well.

  3. Why a Network? • Allows sharing • Reduces costs (i.e., printers) • Offers security • Simplifies file management • Provides e-mail

  4. Types of Networks • Networks are classified by their size, architecture, and topology • Topology: The physical or logical arrangement of nodes on a network LAN—Local Area Network WAN—Wide Area Network MAN—Metropolitan Area Network HAN—Home Area Network

  5. Cross-Platform Connectivity • An issue involved with using so many different types of PCs • Ability of one type of PC to link and share data with another • For example: MACs and PCs or PCs and Laptops

  6. Network Interface Card (NIC) A circuit that goes into a computer allowing you to access a network!

  7. Network Architecture • Includes the types of computers on the network and how the resources are handled. • Two common models: • Peer-to-Peer: Each computer is equal • Client-Server: Group of computers, called clients, connected to a server

  8. Topology and Nodes • Topology • Refers to the arrangement of the nodes on a network • Nodes • A location on the network with a device capable of processing information, such as a computer or a printer

  9. Three Common Topologies • Bus Topology • Single Central Cable, called the bus or backbone to attach each node directly

  10. Three Common Topologies • Star Topology • Each node is attached to a hub, which is a device that joins communication lines at a central location on the network

  11. Three Common Topologies • Ring Topology • Each node is connected to form a closed loop. This type covers greater distance.

  12. Transmission Media, Ethernet, and Wi-Fi

  13. Netiquette Rules for being a Good Netizen Remember to be a good citizen of cyberspace. • Remember the human • Adhere to the same standards of behavior on-line that you follow in real life. • Know where you are in cyberspace. • Respect other people's time and bandwidth. • Make yourself look good on-line. • Share expert knowledge. • Help keep flames under control. • Respect other people's privacy. • Don't abuse your power. • Be forgiving of other people's mistakes.

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