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Describe what wireless network modulation schemes are and why they are essential in wireless networking. Choose one of the modulation schemes and sum-up it. Write down the main differences with other schemes? Explain why is there a requirement for different modulation schemes?
When a message travels from source to destination through two routers, how many times the message M is modified before it reaches to the destination as M. Show your work to determine this number.
Analyze the result we obtained regarding the HTTP page response time. Collect four other statistics, of your choice, and rerun the simulation of the Simple and the Busy network scenarios.
Mobile user A transmits a 1, while Mobile user B transmits a 0. Show sum of the products that results and your calculations.
You have asked to create a report which evaluates possible client/server solutions to handle the new customer application system for all branch offices.
Assume you have been employed as a consultant to suggest a retailing corporation about ways in which it can use networking technology to enhance its business.
Illustrate how you can create message with particular CBC residue, with only constraint which somewhere in message you have to be able to embed 64 bits of "garbage".
It is considered good practice for the sender to pad every message, including messages in which the final message block is already complete. What is the motivation for including a padding block when padding is not needed.
Suppose there is a 10 Mbps microwave link between a geostationary satellite and its base station on earth. What is the propagation delay of the link?
Describe the network you would recommend and how it would be con?gured with the goal of building a new network that will support the company's needs for the next 3 years with few additional investments.
Assume that sender sends silence suppressed RTP stream of G.711 audio to receiver. During talk spurt 20 msecs chunks of quantized audio samples are encapsulated. Determine number of samples are included in each packet?
Coaxial cable is two-wire transmission system, determine the advantage of connecting outer conductor to ground? Explain the two layers: LLC & MAC.
Investigate the methods by which users could gain access to the network. Pay particular attention to: The problems of having open access for all users.
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