course title: com 309 - data communications and computer networks

Project Description:

question 1. you are working for a company that has a network application for accessing a data base of corporate profiles. from our company working station, a request for a profile travels over the corporate local area network to a modem. the modem, using dsl, connects to the internet and finally into the database service. the database service is essentially a modem and a mainframe computer. create a table that shows every time data or signal are converted to a different form in this process. for each entry in the table, show where the conversion is taking place, the form of the incoming information, and the form of the outgoing information.

question 2. describe a real-life situation that uses at least five of the network layouts described using microcomputer-to-internet, local area network-to-metropolitan area network, wide area network-to-wide area network, satellite and microwave and cell phone network.

question 3. telephone systems are designed to transfer voice signal (400 hz). when a voice signal is digitized using pulse code modulation, what is the sampling rate, and how many quantization levels are used? how much data does that generate in one second? are these the same sampling rate and quantization levels are used on a dc? can you verify your answer?
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Price Type: Negotiable

Total Proposals: 7
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