Networking and Communication Trends Compare Figure 7.1 that diagrams a simple computer network to Figure 7.2 that diagrams a corporate network infrastructure. You'll see that the network you might use in a large company isn't all that different from what you might use in your home. Obviously, there will be more computing devices and servers but basically you'll have the same network infrastructure. Discuss how broadband access is so important to networks today. PC Switch Server NOS Switch Router Other Networks Internet Figure 7.1 Components of a Simple Computer Network Wustrated here is a very simple computer network, consisting of computers, a network operating system (NOS) residing on a dedicated server computer, cable (wiring) connecting the devices, switches, and a router. Figure 7.2 Corporate Network Infrastructure Today's corporate network infrastructure is a collection of many different networks from the public switched telephone network, to the Internet, to corporate local area networks linking workgroups, departments, or office floors. Cell Phones/ Smartphones Telephone System Corporate Web Site Intranet and Extranet Servers Wireless LAN Internet Service Provider Corporate Wired LAN Telephone Service Provider Mobile Wi-Fi Network Internet Wireless Internet Service Provider