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networks (Server (Brain of LAN, connects to net, Security, Database,…
networks
Server
Brain of LAN
connects to net
Security
Database
Backup
File sharing
Performance
bandwidth
quanity data
media
bps
bit rate
users
too many users
ruin bandwidth
media
fibre optic
king
high bw
wireless
low bw
relies o
on
connection
error rate
data resent
until arrives correctly
Latency
delay from transmitting data to receiving it
LAN
small geographic area
all hware
uses
fibre optic
use light
longer distance
between switches
backbone of internet
UTP
COPPER WIRES
unshielded twisted pair
WiFi
WAN
internet
connects LANs
owned
telecommunications companies
Topologies
star
central switch
full mesh
every computer
connected every computer
partial mesh
only
some
connected
peer to peer
no central
peer
computer
communicates
other
peers
devices
switch
connects
devices
LAN
uses NIC
router
connects
between
LAN
internet
DNS
converts URL
IP
cloud storage
easy access
data