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Posted under: CCNA, networks
What is a network anyway?
A network is just a collection of devices and end systems connected to each other and able
To communicate with each other. These could be computers, servers, Smartphones, routers
etc. A network could be as large as the internet or as small as your two computers at home
Sharing files and a printer.
Some of the components that make up a network:?
?Personal Computers (PC): These are the endpoint of your network, sending and
?Interconnections: These are components that make sure data can travel from one
device to another, you need to think about:
?Network Cards: they translate data from your computer in a readable format
for the network.
?Media: network cables, perhaps wireless.
?Connectors: the plug you plug in your network card.
?Switches: These boxes are network devices which provide a network connection for
your end devices like PC?s.
Routers: Routers interconnect networks and choose the best path to each network
TYPES of APPLICATIONS
?File transfers like FTP, TFTP, perhaps a HTTP download. Could be a backup at night.
No direct human interaction.
High bandwidth is important but not critical.
Someone is waiting for a response, so response time (delay) is important
Also Human-to-Human interaction
VoIP (Voice over IP) or live Video conferencing.
End-to-end delay is critical
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