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Unformatted text preview: Chelsea Busler IST 220 Chapter 6: Local Area Networking 1. Briefly define the following: Network node: an element, to which a communications line interfaces, exists on a personal computer, a multiplexer, a modem, everything. NIC: fits inside a computer and connects it to the underlying physical transport Transmission system: can be wired or wireless, performs the actual connection between systems. 2. What are the four concepts that must be considered when selecting the appropriate media for a LAN? 1. Bandwidth 2. Cost and Ease of Connectivity 3. Sensitivity to Interference and Noise 4. Security Requirements. 3. Briefly describe how the token passing access method works. An active master inserts a token into the ring and is passed to each workstation. At each workstation it is regenerated as it passes through. When a workstation has data to send, it waits for a workstation it is regenerated as it passes through....
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This note was uploaded on 07/13/2011 for the course IST 220 taught by Professor Angsanaa.tech. during the Summer '07 term at Penn State.
- Summer '07