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Figure 1-3: Elements of a Network Client Application Server Application Message(Frame) Access Switch Client Networks connect Server Computer applications on different computers Computer SWItC Switch Networks connect computers 2. Clients(fixed and mobile) and Mobile 3. Servers Client Outside World Wireless Access point Router7 Figure 1-3: Elements of a Network Wireless Access Point Mobile Client Router Outside World Server Computer Client Computer Switch 1 Switch 2 Switch 3 Message (Frame) Access Line Trunk Line Client Application Server Application 1. Networks connect applications on different computers. Networks connect computers: 2. Clients (fixed and mobile) and 3. Servers
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