For his network, Howard uses IPv4 addressing. He has been given the IP address 212.156.78.0 by his internet service provider. With no subnets, he is able to have 254 hosts on his network.
In order to share resources (such printers and CDs), trade files, or enable electronic communications, two or more computers are connected to form a network. A computer network can connect its computers through wires, phone lines, radio waves, satellites, or infrared light beams.
A network that is limited to a small region is called a local area network (LAN). It usually has geographical confinement, like a writing lab, a building, a school, etc.
Workstations or servers are the two broad categories for computers connected to a network. The majority of the time, servers are not directly used by people but rather run continually to offer "services" to the other computers (and their human users) on the network. Printing, faxing, and hosting software are some of the services offered.
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