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Founded in 2001
Works with DHS, corporate founding sponsors, and non-profit groups to promote cyber security awareness for home users, businesses, and primary and secondary education
Primary Objectives:
- Educate the public on how to protect their cyber space
- Empower a digital society to use the internet safely and securely
In 2009, NCSA’s efforts alone (not including partner activities) reached an estimated 40,000,000 people through media and other activities
National Cyber Security Awareness Month
- multi-faceted effor

Topology

Submitted by mmahfoud on Thu, 12/16/2010 - 18:40

The configuration of of cables, computers, and other devices in a local area network (LAN) or other communication systems. There are four main types of topologies used:Bus topology- All devices are connected to a central cable, called the bus or the backbone. This topology is inexpensive and primarily used by ethernet systems.Ring topology- All devices are connected to each other so that every device is directly connected to two others. This type is difficult to install and expensive but provides a high bandwidth and spans larger distances.Star topology- All devices are connected to a central hub. It is easy to install and manage but there is the issue of bottlenecks occurring as all data must pass through the same hub.Tree topology- Adopts aspects from the bus and star topologies. Consists of groups of star configured workstations connected to a linear bus cable.

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Topology