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Computer science
Fichas del conjunto (15)
- 1what is bandwidth.amount of data that can be transferred in a given time
- 2wireless or wired?--wired connection are usually faster and reliable fibre optic cables give exellent performence
wireless- all depends on signal quality - 3NIC?Network interface controller - allows hardware to connect to a network
- 4switches ?switches connect devices on a LAN
- 5Router?directs packets to destinations
- 6Ethernet?used to connect devices in LAN
-twisted pair cables, copper wires to reduce interference. - 7coaxil cables?made of single copper wire surrounded by a plastic layer for insulation
also a metallic mesh to reduce intergerence - 8Fibre optic?transmits data as light
-high performance
-expensive
- can transmit over large distances - 9star topology-if one device fails the rest are fine
-simple to add new devices
-better performence than other setups
- few data collisions
- every device needs a cable to connect to the central switch(expensive)
- if there is a problem with the server then all devices shall fail - 10Star topology, pros+conspros-
if a device fails the rest of the devices are still fully working
its simple to add anew device to the network
better performance than other setups
very few data collisions
cons-
every device needs a cable to connect the central switch on the server(expensive)
if there is a problem with the switch server the whole network is affected. - 11mesh topologydevices are directly or indirectly connected to the server
- works by sending data along the fastest route - 12mesh topology pros+consdevices are directly or indirectly connected to every other one
they work by sending data along the fastest route from one device to another
if one device fails then the data is sent using another route - 13MAC address?used to establish network devices by the manufacturer.
-unique to device - 14TCP protocoltransmission control protocol-
sets rules for how devices are connected.
in charge of splitting data into packets
and then reassembling packets into order. - 15Data protection act- data must be used in a fair and lawful way
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- Descripción
- Fichas sobre Computer science , creado por akash andu el 02/05/2018.
- Creado por
- akash andu
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