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  • 1. Explanation of Networks - What is a network? - Why do schools build networks? - Types of networks - Common Terms Photo Credits: flickr.com
  • 2. What is a Network?  Connects users to devices  Consists of:  Clients  Infrastructure  Networking Electronics Photo Credits: flickr.com
  • 3. Clients, Infrastructure, Networking Electronics  Clients  These are the users  Infrastructure  The makeup  Wires, fiber optics,…  Networking Electronics  Devices that move  Stores data Photo Credits: flickr.com
  • 4. Why do Schools build Networks?  Efficient access to information  Opportunities for student collaborative learning  Interdisciplinary curriculum  Professional growth through online courses  A more active and connected community  Shared access  Easier scheduling  Shared devices Photo Credits: flickr.com
  • 5. Types of Networks  LAN  Local Area Network  WAN  Wide Area Network  WLAN  Wireless Local Area Network  MAN  Metropolitan Area Network  CAN  Campus Area Network…..  SAN  Storage Area Network…. Photo Credits: flickr.com
  • 6. Most Common Networks  LAN  All clients share a common infrastructure  Typically in the same building  WAN  Links two or more LANs  Separated by distance Photo Credits: flickr.com
  • 7. Network Common Terms  Protocol  Platform  Media type  Topologies Photo Credits: flickr.com
  • 8. Protocol  Standard for how devices communicate  Physical Protocols  Voltage levels on wires  Network Protocols  Retransmit of data  Protocol Suite  Group of protocols working together
  • 9. Platform  Combination of a hardware & an operating family  Examples  Macintosh OS  Windows  UNIX  Many school networks are mutiplatform Photo Credits: flickr.com
  • 10. Media Type  Pathway for the data  Examples  Fiber optics  Copper wire  Radio waves Photo Credits: flickr.com
  • 11. Topology  Shape of a network  The most common shape is a star with all the clients stations connected to a central point Photo Credits: Flickr.com, Flickr.com, Flickr.com Star Ring Bus
  • 12. References  Mitchell, B. (n.d.). Introduction to Network Types. About.com. Retrieved from http://compnetworking.about.com/od/basicnetwork ingconcepts/a/network_types.htm  Northwest Educational Technology Consortium (2005). A Guide to Networking for K-12 Schools. Retrieved from http://www.netc.org/network_guide/  Wise Geek (2003-2013). Network Devices. Retrieved from http://www.wisegeek.com/what-are- network-devices.htm