Question: Suppose a home has a cable modem with 75 Mbps downstream. There are 5 users in the house, each with a computer, tablet, and phone.
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Suppose a home has a cable modem with 75 Mbps downstream. There are 5 users in the house, each with a computer, tablet, and phone. The phones maintain 100 kbps traffic constantly to keep Facebook updated. Watching a 4k video on a computer takes 15 Mbps. Browsing the news on a tablet takes 10 Mbps, but only downloads 10% of the time. Assume it is a packet-switched network.
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Can each member of the house watch a video, keep Facebook updated, and browse the news all at the same time? How much (percentage) of their downstream bandwidth is used?
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How many 4k videos can they watch simultaneously if all other devices are off?
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What is the probability all 5 users are downloading news at the same time?
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How long will it take to download 1TB file if everyone else has Facebook updating and nothing else is on?
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5. If everyone is only browsing news on a tablet given the above bandwidth and usage, what is the maximum number of people who could be doing the same thing before there is bandwidth contention?
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