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Networks, Catalina Ruiz and Lucía Simone - Coggle Diagram
Networks
Devices
Hubs connect computers together with cables to make a LAN. Send mensagges recived from a computer, to the rest of the computer.
Switche is the center of a start network. Recive menssage and check adress to send it to a specific computer. Secure but expensive
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Router join network (LAN) to the internet (WAN), plugged with cables.
Fire wall, that it is between LAN and the Internet connection, block unauthorised connnection or data.
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Types
LAN: Local Area Network
Private network in one building, site or business that are near each other geographically
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Topologies
Ring
Has a central cable with the shape of a circle, with short cable connected to the computers
If the central cable breakes, nothing happens
Star
Central device, such as switch and hub, that passes messages between computers.
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Bus Network
Name given to the central cable because it connct the computers with short cable connected to the center one.
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Disadvantages
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If the network breaks, many tasks become very difficult
Concept :
two or more computers, or other electronic devices, connected together so that they can exchange data.
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