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internet and world wide web
network components
osi model
tcp/ip
application layer
transport layer
internet layer
network access layer
dns
routing/switching
firewall
http/s
ssh
nat gateway(port fowarding)
cloud networking
Internet usernames
github: https://www.github.com/hansanhha
instagram: https://www.instagram.com/hansanhha/
pinterest: https://pinterest.com/hansanhha/