Obtain brief notes on the following
Network Types
VPN
PAN
MAN
Network Communication Channels/Links
Twisted Pair
Fibre optics
Coaxial cables,
Bluetooth
Infra red
Satellite Links
Network Hardware
Server
Modem
Network Interface card(NIC )
Multiplexors
Gateways/ router
Hubs/switches
Terminal
Network topologies
ring
Bus
Star
Mesh
Tree
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