local area network

local area network

1. routers

   • hubs
     • bridges
       • switches
         • • A router can form a LAN by connecting devices within a building. It also makes it possible to connect different networks together. Homes and businesses use a router to connect to the internet. A router can often incorporate a modem within the hardware.
             • LAN is most popular for pcs.
             • Wifi
         • phone line
           • wifi
             • Disadvantages
               • wireless connection
             • wireless connection
           • advantages
             • Ethernet
               • disadvantages
               • wired connection
               • WPAN (wireless personal area nework)
                 • advantages
                   • it's energy efficient
                   • Has a maximum range of about thirty metres.
                 • pairing peripheral devices to a computer system over a short range.
                   • The main WPAN technology is bluetooth.
   • A router is a networking device that forwards data packs between data networks. Routers perform the traffic directing functions on the internet. A data packet is typically forwarded from one router to another router from the networks that constitute an inter network until it reaches its destination code.

2. hardware

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