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network performance (error rate (error in transmission results in re…
network performance
error rate
error in transmission results in re-sending packets
longer cables = higher error rate
wireless interference
age/conditions = higher errors
transmission media
damaged = slower
wireless = slow
wired copper = slower, longer = slower
low to high
high grade copper
gold plated copper
copper
fibre optic
bandwidth
bps "bits per second"
how we measure performance
amount of data transfered in a given time
latency
time bottleneck
use same brand switches
delay
number of users
more = slower
too many users = lower bandwidth