Extra Information

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of recipients (multicast, broadcast). The other way round, numerous IP
addresses can be allocated to one computer.
DNS - Domain Name System
is one of the most important services in the network. Its main task is answering
inquiries about name resolution.
Router
is a network device, which connects or disconnects - depending on the point
of view - numerous computer networks. In the process the router analyses
incoming data packages according to their target addresses and blocks them
or transmits them.