Figure 1-3: Elements of a Network Client Applicatio erver Application 8. Access lines Connect Computers Access to Switches Switch Line 2 Client Server Computer Computer Switch Switch Trunk 3 Line Mobile Switch Outside 9. Trunk Lines Connect World Switches to switches and Switches to routers Router 1313 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 Switch 4 Message (Frame) Access Line Trunk Line Client Application Server Application 8. Access Lines Connect Computers to Switches 9. Trunk Lines Connect Switches to Switches and Switches to Routers