Firewall device network device physical connection explanation
Answers
The Internet is one big network of internal networks, related to that purpose designed devices, with the edge of which are end users. Generally each network system must meet some requirements regarding functionality that could be considered in two categories.
Requirements for connecting computer to the Internet:
Physical connectivity - network card, network devices (bus, star ...)
Logical connections - protocols (most broadcast and token-passing)
Software - showing information (Internet Explorer, Outlook ...)
Components of Network:
End-user devices - computer, printer, server ...
Networking Devices - router, switch, hub, bridge ...
Network Cabinets (rack) - Specialty furniture for network devices
Network Cabling - copper, optical, wireless ...