1. Explanation of Networks
- What is a
network?
- Why do schools
build networks?
- Types of networks
- Common Terms
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2. What is a Network?
Connects users to
devices
Consists of:
Clients
Infrastructure
Networking
Electronics
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3. Clients, Infrastructure, Networking Electronics
Clients
These are the users
Infrastructure
The makeup
Wires, fiber optics,…
Networking Electronics
Devices that move
Stores data
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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
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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….
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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
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7. Network Common Terms
Protocol
Platform
Media type
Topologies
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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
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10. Media Type
Pathway for the data
Examples
Fiber optics
Copper wire
Radio waves
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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