Question: 1) How wide is one bit on a 25 Mbps link (answer in us)? 2) What is the transmit time for a 120 MiB file

 1) How wide is one bit on a 25 Mbps link

1) How wide is one bit on a 25 Mbps link (answer in us)? 2) What is the transmit time for a 120 MiB file over a 50 Mbps, 3,000 Km copper link? 3) What is the propagation delay of the link in question #2? 4) What is the round trip time (RTT) in milliseconds (ms) for a 75 GiB file transmitted on a 500 Km fiber link with 6 Mbps bandwidth? 5) What is the latency (network delay) for the link in question #4? 6) What is the delay x bandwidth product for a 120 Km, 50 Mbps, link in fiber? Speed of light in various media: Media Speed Fiber 2 x 108 m/s Copper 2.3 x 108 m/s Vacuum 3.0 x 108 m/s

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