EXERCISE 7 New Ethernet Design.docx - EXERCISE 7 New...

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EXERCISE 7 New Ethernet Design 1. Let’s assume that the smallest possible message is 64 bytes (including the 33-byte overhead). If we use 100Base-T, how long (in meters) is a 64-byte message? While electricity in the cable travels a bit slower than the speed of light, once you include delays in the electrical equipment in transmitting and receiving the signal, the effective speed is only about 40 million meters per second. (Hint: First calculate the number of seconds it would take to transmit the frame then calculate the number of meters the signal would travel in that time, and you have the total length of the frame.)

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