What is a network and why do we care?

What is a network & why do we care? Any time you have two or more computers connected together, you have a local area network (LAN). A network allows the computers to share files, printers, scanners, and even an Internet connection. Why do we care? Save Money. By sharing a single Internet connection with every computer on the network, you can reduce your Internet access costs. Save Space. Networked computers can all share the …

…which they were sent. Connection-oriented vs. Connectionless Refers to network protocols in which a host can send a message without establishing a connection with the recipient. That is, the host simply puts the message onto the network with the destination address and hopes that it arrives. Examples of connectionless protocols include Ethernet, IPX, and UDP. In contrast, connection-oriented protocols require a channel to be established between the sender and receiver before any messages are transmitted.