What is the number of hosts in year 2020

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Reference no: EM131304877

1. Assume that the number of hosts connected to the Internet at year 2010 is five hundred million. If the number of hosts increases only 20 percent per year, what is the number of hosts in year 2020?

2. Assume a system uses five protocol layers. If the application program creates a message of 100 bytes and each layer (including the fifth and the first) adds a header of 10 bytes to the data unit, what is the efficiency (the ratio of applicationlayer bytes to the number of bytes transmitted) of the system?

Reference no: EM131304877

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