Network Components & Terms Chongseok Park 10DD. Contents Hubs Bridges Switches On-line Off-line...
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Transcript of Network Components & Terms Chongseok Park 10DD. Contents Hubs Bridges Switches On-line Off-line...
HUBS
• A network hub is a device for connecting multiple Ether-net devices together and making them act as a single network division.
• It contains a multiple I/O ports, in which signal intro-duced at the input of any port appears at the output of ev-ery port except the original incoming.
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BRIDGES
• Bridging is a forwarding technique used in packet- switched computer networks. It is a different method than routing, bridging makes no assumption about where in a network a particular address is located.
• Bridging generally refers to transparent bridging or learn-ing bridge operation which predominates in Ethernet.
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SWITCHES
• It is also known as switching hub which is a computer networking device that connects network segment or network devices.
• The first Ethernet switch was introduced by Kalpana in 1990.
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ON-LINE
• On-line has a specific meaning in regard to computer technology and telecommunications. In general, “online” indicates a state of connectivity.
• Online often refers to the internet or the World Wide Web.
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OFF-LINE
• Off-line has a specific meaning in regard to computer technology and telecommunications. In general, “Of-fline” indicates a disconnected state.
Contents
Bibliography
• http://www.webopedia.com/TERM/H/hub.html• http://en.wikipedia.org/wiki/Bridging_(networking)• http://en.wikipedia.org/wiki/Network_switch• http://en.wikipedia.org/wiki/Online_and_offline