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Unit 7 - digital environments
7.2 Networks
7.2.5 Bandwidth, latency, and frequency
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Created by
Dylan Tappenden
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Cards (11)
Bandwidth is a
measurement
of how much data can be
transferred
from one point to another in a
specific period
of
time
Bandwidth is not
speed
as
speed
is the
rate
at which
data
can be
send
and
bandwidth
is the
volume
for the
transfer
Bandwidths can be
symmetrical
(equal
both directions
), or
assymetrical
(
not equal
).
Assymetricy of bandwidth generally has which type of transfers volume lower?
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Latency is the
time
it takkes to
transmit data
from one
point
of a
network
to another
What 5 main factors affect latentcy?
Distance
Medium
of
transmission
Router speed
Propagation delay
Storage
Distance is a factor of
latency
as the
distance
between the
devices increase
the
distance
the data needs to
travel
Transmission medium is a factor of
latency
as mediums like
satellite
have to travel to satellites
increasing distance
often
significantly
Router is a factor of
latency
as a router must
process
a
data packet
before sending it
Propagation delay is a factor of
latency
as it is the
length
of
time
it takes for a
data packet
travel from teh device to the
server
Storage
is a factor of
latency
as if it handling many things it will significantly
increase latency
