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Network topologies (Star WhatsApp Image 2020-03-30 at 12.06.19 PM (2) (hub…
Network topologies
Bus
nodes
backbone
Advantages
inexpensive
easy to set up
Disadvantages
Easily unusable
only a damage
Slower
lots of PCs online
visible data
Ring
nodes
ring of cable
data
travel in counter/clockwise
token
Advantages
Faster
No collisions
Disadvantages
Easily unusable
Star
nodes
linked to centre
hub/switch/router
hub
receiving data
saving in a
memory buffer
sendind to all nodes
switch
sending only to recipient
some packets for
broadcast
similar to hub
router
similar to switch
not accept
broadcast
Advantages
reliable
Disadvantages
expensive
Tree
"More star, one bus"
nodes to
hubs to
backbone
Advantages
Scalability
troubleshoot
Disadvantages
very expensisve
