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networking devices - Coggle Diagram
networking devices
hubs
used to connect a number of devices to form a LAN
disadvantages
not secure
isnt an efficient method of data transfer
advantages
transmits data to every device in the network
can connect many devices
bridge
connect one LAN to another
disadvantages
too much data causes data floods and traffic
advantages
used to connect different parts of a LAN to make single LAN
modems
converts digital signals into analogue signals
disadvantages
cant analyses the path of a specific file
advantages
can always be "on"
allow computers to connect to networks over large distances
switches
similar to hubs but distributes data to needed device only
disadvantages
more expensive than hubs
advantages
can work out the destination address and send the data to the appropriate computer
more efficient method of data distribution than hubs
router
allows data to be routed between networks
disadvantages
very expensive
advantages
allows private networks to be connected
has a firewall that protects it