Debate the main functions of network operating systems, including the importance of the network server. Distinguish between local area networks, metropolitan area networks, and wide area networks. Identify the differences between a connection-oriented net

Debate the main functions of network operating systems, including the importance of the network server. Distinguish between local area networks, metropolitan area networks, and wide area networks. Identify the differences between a connection-oriented network and a connectionless network, and give an example of each. Investigate the basic concepts of network congestion, including quality of service.