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Suppose Host A wants to send a large file to Host B. The path from Host A to Host B has three links, of rates R1=500kbps, R2=2Mbps, and R3=1Mbps.
a. Assuming no other traffic in the network, what is the throughput for the file transfer. b. Suppose the file is 4 million bytes. Roughly, how long will it take to transfer the file to Host B? c. Repeat (a) and (b), but now with R2 reduced to 100kbps.
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Which type of network provides customers with limited access to corporate data such as inventory, parts lists, and orders?
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Assume two hosts, A and B, are separated by 10,000 kilometers and are connected by direct link of R =1 Mbps. Assume propagation speed over link is 2.5?108 meters/sec .How long does it take to send file, suppose it is sent continuously?
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Suppose users share a 1Mbps link. Also suppose each user requires 100Kbps when transmitting, but each user transmits only 20% of the time. When circuit switching is used, how many users can be supported?
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You are to create a small network (less than 50 but greater than 20 nodes) for organization of choice consisting of multiple operating systems, security mechanisms, and devices.
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PCs connected to the two wall jacks work fine, but the three connected to the switch refuse to communicate with the network. What could be wrong and what should she try next?
Identify the top three risks in this situation. For each risk, document its risk event, impact, probability, impact rating/risk exposure, and mitigation strategy.
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