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Mapa Mental
por
Yasmin Page
, criado
more than 1 year ago
Mapa Mental sobre Network, criado por Yasmin Page em 17-01-2020.
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key stage 3
Criado por
Yasmin Page
aproximadamente 5 anos atrás
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eva gill
almost 5 years ago
great work yasmin:)
great work yasmin:)
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Olivia Duncan
almost 5 years ago
so great
so great
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20581582
mind_map
2020-01-31T15:34:53Z
Network
disadvantages
advantages
sharing devices
such as printers
saves money
site licences are likely
to be cheaper than
buying several
standalone licences
files can easily
be shared
between users
network users can
communicate by
email and instant
messenger
data is easy to backup
as all the data is stored
on the file server
security is good - users
cannot see other users'
files unlike on
stand-alone machines
viruses can spread
to other computers
throughout a
computer network
purchasing the network
cabling and file servers
can be expensive
there is a danger of
hacking, particularly with
wide area networks
managing a large network is
complicated, requires training
and a network manager usually
needs to be employed
Bus Topology
advantages
fast (low chance of
collisions)
it is easy to set up,
handle, and implement
low chance of catastrophic
failure (a broken cable only
takes out one computer, the
rest of the network is fine)
disadvantages
the cable length is
limited. this limits the
number of network
nodes that be
connected.
each device on the network
sees all the being transmitted,
thus posing a security risk.
it is heavily dependent
on the central bus. a
fault in the bus leads to
network failure.
Ring Topology
advantages
the traffic is
unidirectional and the
data transmission is high
speed
in comparison to a
bus, a ring is
better at handling
load
the configuration makes it
easy to identify faults in
network nodes
disadvantages
the failure of a single node in
the network can cause the
entire network to fail
the movement or changes made to
network nodes affect the entire
netwotk's performance
there is heavy
dependency on the wire
connecting the network
nodes in the ring
IP Address
computers on a network
also need an address to
identify them
when a computer is added to a
network it is assigned an IP
Address
the IP Address is unique value
assigned to each computer on
a network
each IP address on a
network must be
unique
the IP Address is a 32-bit binary
value. this means its made up
32 1s and 0s
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20581582
mind_map
2020-01-31T15:34:53Z
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