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Answer (Choose 1 answer)
Consider a network link that has distance of 100 meters, and signal traverses at the speed of light in cable 2.5 x 10^8 meters per second. The link has transmission bandwidth of 100 megabits/second (100 x 10^6 bits per second). The packet size is 400 bits. What is the signal propagation delay?
A. 4 x 10^-7 seconds
B. 4 x 10^-6 seconds
C. 4 x 10^-9 seconds
D. None of the others
