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1. Imagine you are a wireless network contractor and you are meeting with a potential client over lunch to discuss the possibility of setting up a wireless network in the client's building. She mentions that she has heard of the OSI model but does not fully understand it and asks you to explain it to her. She has limited technical background. How would you describe the OSI model to somebody like this potential client who does not have a technical background? Come up with an analogy that will help clarify your explanation.
Then...
2. In 150 - 200 words explain what wireless modulation schemes are and why they are necessary in wireless networking, include an explanation of spread spectrum transmission.
Look for the information security body of knowledge(CBK). When you review list of 10 areas in CBK, is policy listed? why do you think this is so?
What kind of network would you install and how would the pieces and components of this network relate to each other? Define each component.
Coaxial cable is two-wire transmission system, determine the advantage of connecting outer conductor to ground? Explain the two layers: LLC & MAC.
1.What is a network? What are the six main elements and their functions of a typical network? Explain each one. What devices are used in layers 1-3? What is a message called in layer 2? Layer 3?
Determine successive values of congestion window in bytes?
Investigate and write down the report on using Internet phone and company's existing LAN to replace company's PBX.
Assume Host A wishes to send large file to Host B. Path from Host A to Host B has three links, of rates R1=500kbps, R2=2Mbps, and R3=1Mbps. Suppose no other traffic in network, Determine the throughput for file transfer.
Louisiana, also must be connected to both Memphis and Laramie at a rate of 512 kbps? Which solution is cheaper now? How about considering an MPLS over IP solution or a form of long-haul Ethernet?"
What would the value of the field containing the parity bits be for the case of a two-dimensional parity scheme? Your answer should be such that a minimum-length checksum field is used.
Write three TCP and three UDP connections from netstat -a output, and corresponding translated port numbers from netstat -an output.
The law of diminishing returns says that you get a smaller and smaller return (benefit) as you invest more and more. An example would be: if you spend $100 on insulating your home
Write between 600 to 800 words for each of the short-essay questions. All questions are of equal value. You should provide credible references for each question according to the Faculty of Business guidelines.
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